Top Cross Platform App Developers
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$5,000+$25 - $49 / hr50 - 249Tallinn, Estonia
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See all 53 projectsWeb Design Sun is a software development company that offers comprehensive services, including mobile app and iOS development, alongside web development. Approximately 100% of reviewers praise their dedication, affordability, and responsiveness, with many noting high satisfaction and strong outcomes. Clients particularly value their attention to detail and seamless project management.
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$25,000+$50 - $99 / hr50 - 249Dubai, United Arab Emirates
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See all 3 projectsLaunch Ventures is a Mobile App Development company lauded for its expertise in creating and launching complex apps, resolving project delays, and enhancing code quality. All reviews were positive, with 100% of clients highlighting timely delivery and effective communication as notable strengths, and no clients suggesting areas for improvement.
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$5,000+$100 - $149 / hr2 - 9
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See all 1 projectsFluff Software is a digital solutions company recognized for its strong project management and user experience design capabilities. Reviews highlight their flexibility, effective communication, and problem-solving skills, with 100% positive feedback praising Scott's expertise and the team's ability to deliver tailored solutions. The company is known for creating seamless user experiences by integrating complex data systems.
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$10,000+$100 - $149 / hr10 - 49
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See all 12 projectsPointClear Solutions, operating under the brand Worry Free Labs, is a mobile app development company renowned for its exceptional professionalism and expertise in smartphone app development. The reviews highlight a 100% positive feedback rate, with clients praising their project management, transparency, and ability to transform ideas into flawless products. Their commitment to quality and long-term partnership stands out, making them a preferred choice for app development needs.
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$10,000+Undisclosed10 - 49Bishkek, Kyrgyzstan
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See all 7 projectsDeveem LLC is a Mobile App Development company known for its technical expertise and effective communication. The majority of reviews, approximately 90%, highlight their successful delivery of new features and increased user engagement, despite some minor issues with code testing. Their ability to implement complex features for Android applications is frequently praised.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 2 projectsInara consultancy services is a consulting firm specializing in blockchain technology and application development, including security and infrastructure enhancements. They have received overwhelmingly positive feedback, with clients praising their efficient project management, proactive communication, and expertise. Approximately 100% of reviewers highlight their exceptional work ethic and ability to exceed expectations. Clients suggest expanding their team to meet growing demand.
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$10,000+$25 - $49 / hr10 - 49Mumbai, India
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See all 26 projectsBig Rattle Technologies is a distinguished Mobile App Development company recognized for its expertise in creating tailored mobile applications across various platforms, including Android and iOS. A consistent theme in their reviews is their commitment to customization, responsiveness, and effective project management, with 100% of reviewers highlighting their ability to deliver on time and exceed expectations in customer engagement and functionality.
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$5,000+$50 - $99 / hr10 - 49Mississauga, Canada
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See all 14 projectsAsapp Studio is a mobile app development company known for its expertise in iOS and Android development. The overall feedback from clients is highly positive, with commendations on their professional communication and efficient project management. Notably, 100% of reviewers were impressed by their commitment to understanding project requirements and providing tailored solutions.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 3 projectsCodePillow is a versatile software development company specializing in blockchain, mobile wallet development, and coding support for various digital platforms. Across their reviews, 100% of clients praised their time management, communication, and ability to deliver high-quality work on time. Clients also noted CodePillow's impressive problem-solving skills and adaptability to diverse project requirements.
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$10,000+$100 - $149 / hr10 - 49Boulder, CO
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See all 4 projectsHalfBlast Studios is a mobile app development company specializing in multiplatform app solutions, including both iOS and Android development. The company consistently receives positive feedback, with approximately 100% of reviewers praising their project management, problem-solving skills, and effective communication. Clients commend their ability to exceed expectations by actively listening and providing valuable insights throughout the development process.
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$10,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 15 projectsConcept Studio offers comprehensive services including Mobile App Development, website creation, and full-scale branding. Reviews highlight their exceptional communication, timely delivery, and precise project management. Clients appreciate their ability to guide startups from inception through to funding and final application development, demonstrating a strong fit for Mobile App Dev projects involving both iOS and Android platforms.
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$25,000+$150 - $199 / hr50 - 249San Francisco, CA
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See all 9 projectsGrio is a highly reputable Mobile App Development company, known for its expertise in iOS and Android Development, as well as Mobile Software Engineering. Across varied projects, Grio has consistently delivered on-time, high-quality solutions, impressing clients with their commitment, responsiveness, and comprehensive product management. With overwhelmingly positive feedback, 100% of reviewers commend their project management, and mention their excellent team culture and alignment with client values.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
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See all 6 projectsMoveoApps is a Mobile App Development company known for delivering high-quality solutions across iOS and Android platforms. With a strong focus on customer satisfaction, they maintain effective communication and professionalism, leading to successful project outcomes for 100% of clients. While a few reviews suggest areas for improvement in marketing and documentation, clients consistently commend their responsiveness, dedication, and value-for-cost services.
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$5,000+< $25 / hr10 - 49Jaipur, India
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See all 3 projectsYorviTech Solutions Pvt. Ltd. offers customized Mobile App Development services, including iOS and Android Development, with a particular focus on e-commerce applications. Reviews highlight their ability to deliver sophisticated, user-friendly apps on time, with strengths in communication and project management. Clients commend their holistic approach and professional expertise.
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$10,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 2 projectsTeamseven is a comprehensive software development company specializing in building and maintaining SaaS platforms, online surveys, and coaching platforms. Reviews indicate a high level of customer satisfaction, with clients praising their commitment, excellent communication, and project management. Approximately 95% of feedback is positive, emphasizing the reduction in administrative workload and the significant value added to clients' operations.
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$5,000+$25 - $49 / hr50 - 249Delhi, India
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See all 54 projectsE-Sutra Technologies Private Limited is a specialized Mobile App Development company recognized for its comprehensive development services across Android and iOS platforms. With 100% positive feedback, clients commend their deep technical expertise, proactive communication, and ability to create user-friendly, scalable applications. Approximately 75% of reviews highlight their exceptional project management and alignment with client business needs.
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$10,000+$50 - $99 / hr2 - 9Poznań, Poland
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See all 1 projectsMoyra is a software development company specializing in creating SaaS solutions for HR applications, particularly onboarding apps. They are praised for their effective project management and consistent communication, utilizing Azure DevOps and Slack. With 100% positive feedback, clients appreciate Moyra's thorough follow-up meetings and smooth, automated solutions for employee onboarding.
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$25,000+$150 - $199 / hr10 - 49San Francisco, CA
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See all 4 projectsYeti LLC is a mobile app development company specializing in iOS and Android development. Their exceptional client service and technical expertise have been highlighted positively throughout the reviews. Reviewers appreciated their comprehensive approach to design, development, and project management, with a 100% positive feedback rate, emphasizing their ability to deliver tailored solutions and adapt to evolving project needs.
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$1,000+$25 - $49 / hr10 - 49London, England
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See all 2 projectsNeural Soft Solutions is a versatile software development company specializing in web and payment solutions. Their client feedback is overwhelmingly positive, highlighting their effective project management and responsiveness. Approximately 100% of reviewers were satisfied with their work, praising their ability to understand client needs and provide clean, functional designs, with 50% noting their accommodating nature and efficient communication.
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$5,000+< $25 / hr10 - 49Indore, India
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See all 1 projectsZeeweesoft is a software development company known for their expertise in building UI reports and APIs using technologies like Node.js, Angular.js, and Highcharts. Their services are highly regarded, with 100% of reviewers praising the quality of their work and smooth workflow. Clients appreciate their outstanding delivery and effective collaboration.
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$10,000+$25 - $49 / hr10 - 49Florianópolis, Brazil
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See all 3 projectsW16 Software House is a software development company specializing in creating applications, software solutions, and websites using technologies such as Java, JavaScript, PHP, and WordPress. Across their reviews, 100% of clients highlight their technical expertise, effective project management, and commitment to timely delivery. The company is praised for its excellent communication and ability to integrate seamlessly with client teams.
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$5,000+< $25 / hr250 - 999Ahmedabad, India
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See all 17 projectsPrintXpand, an IT company specializing in developing customizable design tools, primarily for Magento and other e-commerce platforms, consistently receives positive feedback. Approximately 95% of reviewers highlight their professionalism, adaptability, and effective communication, with numerous clients commending their cost-effective solutions and rapid deployment. They are recognized for their ability to address complex project requirements and provide excellent ongoing support.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 7 projectsTechtiz is a proficient Mobile App Development company specializing in creating mobile applications and providing ongoing development and maintenance. Their positive feedback is overwhelming, with approximately 95% of clients praising their communication, reliability, and timely project delivery. Techtiz is recognized for their swift adaptability and effective collaboration, particularly in challenging circumstances, making them a trusted partner in the Mobile App Development landscape.
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$10,000+$50 - $99 / hr50 - 249Os, Norway
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See all 5 projectsBetter Soft Services is a proficient mobile and web application development company with expertise in Mobile App Development across various industries, including IoT, healthcare, and construction. They consistently receive positive feedback, with clients praising their flexibility, high developer qualifications, and effective project management. Approximately 100% of reviewers highlight their commitment to meeting client expectations and delivering successful projects.
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$1,000+$25 - $49 / hr2 - 9Mérida, Mexico
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See all 3 projectsYoco Apps, Ecommerce & Websites is a versatile company offering web design and digital solutions, praised for their excellent organization, creativity, and feminist approach. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their strong project management and human-centric values. Reviewers also commend the company for providing good value for cost.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 5 projectsE2logy Software Solutions Private Limited is a proficient mobile app development company, known for its mobile application development, including iOS and Android platforms. They have received overwhelmingly positive feedback, with clients highlighting their excellent communication, attention to detail, and deep understanding of app development processes. Reviewers consistently appreciate their proactive approach and ability to capture complex concepts effectively.
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$1,000+$25 - $49 / hr10 - 49Ikeja, Nigeria
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See all 15 projectsSpecial Man Global Solution LTD is a mobile app development company known for delivering comprehensive mobile and web solutions. The company has received overwhelmingly positive feedback, with 99% of users praising the usability and simplicity of their applications. Clients particularly appreciate their creative contributions, timely delivery, and effective communication. Special Man Global Solution LTD is renowned for its strategic approach to mobile application development, ensuring high client satisfaction and engagement across various projects.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 2 projectsBlobstation Inc is a versatile software development company specializing in staff augmentation and web-based solutions. The reviews highlight their expertise in delivering timely and effective solutions, with 100% of reviewers praising their technical proficiency and agile project management. Clients commend Blobstation for their ability to integrate seamlessly with teams and adapt to changes, although one noted improvement could be in parallel QA processes.
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$10,000+$25 - $49 / hr50 - 249Pune, India
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See all 20 projectsWishtree Technologies is a Mobile App Development company that provides comprehensive services, including iOS and Android Development, and excels in project management. Reviewers praise their productivity, flexibility, and collaborative nature, with over 90% positive feedback highlighting their ability to quickly adapt and deliver high-quality solutions tailored to client needs.
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$25,000+$50 - $99 / hr10 - 49Matosinhos, Portugal
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See all 1 projectsGlazed Solutions is a software development company praised for its high-quality software architecture and impressive skill level. According to reviews, 100% of clients commend their timely delivery and cultural fit, highlighting their value in augmenting engineering capacity and proficiency in Django for tech product development.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 6 projectsCodesClue Technologies is a software development company known for creating custom software solutions that streamline operations and improve data visibility. With 100% positive feedback, clients commend their efficient project management, timely delivery, and excellent understanding of industry-specific challenges. Multiple reviewers highlight their ability to deliver practical, scalable solutions that align with business needs.
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$50,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
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See all 12 projectsDevision is a mobile app development company proficient in iOS and Android development, known for creating web applications and mobile solutions. Their reviews indicate a strong commitment to customer satisfaction and professionalism, with 100% of clients appreciating their service quality, although some mention challenges with time estimates and delivery schedules. They continuously strive for improvement, ensuring high-quality deliverables with minimal errors.
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$5,000+$100 - $149 / hr50 - 249Pasadena, CA
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See all 14 projectsArt+Logic is a versatile application development company specializing in mobile app development and custom software solutions. Predominantly praised for their technical competence and innovative approach, Art+Logic maintains a 100% satisfaction rate across reviews, with clients highlighting their exceptional project management, clear communication, and tailored solutions. The company’s commitment to understanding client needs and delivering robust, creative solutions makes them a top choice for diverse development projects.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 1 projectsConsoleDot is a consultancy specializing in AI architecture and rapid prototype development. Overall, they receive highly positive feedback, with 100% of reviewers highlighting their timely delivery and strategic guidance. Clients appreciate their role in achieving significant business outcomes, such as reaching $15K MRR within 45 days.
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$5,000+$100 - $149 / hr10 - 49Great Baddow, England
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See all 5 projectsObjective is a Mobile App Development company, recognized for its swift responses and impressive understanding of client needs. With a focus on reducing workload and enhancing systems, they have effectively built sales order and planning systems, achieving positive outcomes such as improved communication and faster internal processes. 100% of reviewers highlight their adaptability and responsiveness.
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List of the Top 15 Cross Platform Application Development Companies
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$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Mobile App Development50% Hybrid & cross platform apps60% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% Other -
$10,000+$50 - $99 / hr250 - 999Greenville, SC
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
60% Mobile App Development55% Hybrid & cross platform apps40% Other -
$5,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
60% Mobile App Development60% Hybrid & cross platform apps40% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
55% Mobile App Development50% Hybrid & cross platform apps45% Other -
$25,000+$50 - $99 / hr50 - 249Rzeszów, Poland
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% Other -
$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
80% Mobile App Development100% Hybrid & cross platform apps20% Other -
$25,000+$50 - $99 / hr50 - 249Hollywood, FL
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
60% Mobile App Development50% Hybrid & cross platform apps40% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Mobile App Development100% Hybrid & cross platform apps70% Other -
$25,000+$50 - $99 / hr50 - 249Buenos Aires, Argentina
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
50% Mobile App Development60% Hybrid & cross platform apps50% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
38.7/40.019.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
75% Mobile App Development80% Hybrid & cross platform apps25% Other -
$25,000+$25 - $49 / hr250 - 999Irving, TX
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Mobile App Development30% Hybrid & cross platform apps70% Other -
$25,000+$100 - $149 / hr50 - 249Los Angeles, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Mobile App Development40% Hybrid & cross platform apps50% Other -
$25,000+< $25 / hr250 - 999Gurugram, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Mobile App Development30% Hybrid & cross platform apps70% Other -
$5,000+< $25 / hr50 - 249Dallas, TX
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
50% Mobile App Development40% Hybrid & cross platform apps50% Other -
$10,000+$25 - $49 / hr250 - 999Kolkata, India
Ability to deliver
39/40.020/20 Reviews9.8/10 Clients & Experience9.2/10 Market PresenceService focus
30% Mobile App Development35% Hybrid & cross platform apps70% Other -
$10,000+$50 - $99 / hr50 - 249Ząbki, Poland
Ability to deliver
37.9/40.020/20 Reviews9.3/10 Clients & Experience8.7/10 Market PresenceService focus
75% Mobile App Development100% Hybrid & cross platform apps25% Other -
$1,000+< $25 / hr50 - 249Kolkata, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% Other -
$10,000+$25 - $49 / hr50 - 249Indore, India
Ability to deliver
37.7/40.018.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% Other -
Undisclosed$25 - $49 / hr250 - 999Dubai, United Arab Emirates
Ability to deliver
38.1/40.018.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Mobile App Development30% Hybrid & cross platform apps60% Other -
$10,000+$50 - $99 / hr50 - 249Denver, CO
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
50% Mobile App Development30% Hybrid & cross platform apps50% Other -
$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
36.9/40.017.8/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
60% Mobile App Development50% Hybrid & cross platform apps40% Other -
$25,000+$50 - $99 / hr1,000 - 9,999Gliwice, Poland
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Mobile App Development30% Hybrid & cross platform apps80% Other -
$25,000+$25 - $49 / hr50 - 249Miami, FL
Ability to deliver
36.5/40.017.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
60% Mobile App Development50% Hybrid & cross platform apps40% Other -
$50,000+$150 - $199 / hr10 - 49Chicago, IL
Ability to deliver
36.5/40.017.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
60% Mobile App Development60% Hybrid & cross platform apps40% Other -
$5,000+$25 - $49 / hr50 - 249Dnipro, Ukraine
Ability to deliver
37.8/40.018.4/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
40% Mobile App Development60% Hybrid & cross platform apps60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.1/40.019.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Mobile App Development60% Hybrid & cross platform apps70% Other -
$5,000+$25 - $49 / hr250 - 999Surry Hills, Australia
Ability to deliver
38/40.018/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Mobile App Development25% Hybrid & cross platform apps50% Other -
$50,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
36.2/40.017/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
70% Mobile App Development70% Hybrid & cross platform apps30% Other -
$10,000+< $25 / hr50 - 249Mumbai, India
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
45% Mobile App Development75% Hybrid & cross platform apps55% Other
Latest Cross Platform Articles
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How App Companies Can Build Trust with Customers
Learn how app companies can build customer trust through better privacy practices, transparent communication, and stronger security to improve retention and...
Cross-Platform App Development Agency FAQs
Leading agencies track key performance indicators such as install rate, user retention, session length, and revenue per user. They integrate analytics tools like Firebase, Mixpanel, or Amplitude to monitor these metrics and run A/B tests, allowing stakeholders to tie feature releases directly to business outcomes.
A cross-platform app development company designs, builds, tests, and maintains mobile applications that run smoothly on multiple operating systems—usually iOS and Android—with a single shared codebase. By leveraging frameworks such as Flutter, React Native, Xamarin, or Kotlin Multiplatform, these firms streamline development timelines, reduce maintenance overhead, and ensure a consistent user experience across devices. They also advise on app store compliance, security, and performance optimization.
Cross-platform app development companies tailor their services to help clients accomplish their unique goals and launch sophisticated apps. By partnering with these service providers, you can expect services such as:
- Technical consulting and product discovery
- UI/UX design tailored for multi-device compatibility
- Shared-codebase development (i.e., Flutter, React Native)
- Native module integration for device-specific features
- API and backend development or integration
- Quality assurance, automated testing, and CI/CD
- Post-launch support, updates, and mobile app development services such as analytics implementation and feature road-mapping
Budgets range widely based on several variables such as project complexity, feature set, and team size. Here’s a run through of average pricing based on cross-platform app development projects reviewed on Clutch:
- MVP or prototype: $25,000 – $60,000
- Mid-range consumer app: $60,000 – $150,000
- Enterprise-grade solution with integrations: $150,000 – $500,000+
Hourly rates for these service providers typically fall between $50 – $149. In addition, offshore teams often charge less, while top-tier U.S. agencies may exceed $200 per hour. Always request a detailed scope, delivery milestones, and maintenance costs up front.
- Match technical expertise to your stack (e.g., Flutter vs. React Native).
- Review case studies for similar industries or app types.
- Validate client testimonials and Clutch ratings.
- Assess communication style and project management tools.
- Compare total cost of ownership—including post-launch support—rather than just initial quotes.
Before committing to a long-term partnership, consider doing a trial run or a short test project. A discovery workshop or paid proof of concept is a low-risk way to evaluate fit before committing to a full build.
- Guarantees of unrealistically low budgets or launch dates
- Vague contracts without source-code ownership clauses
- Limited portfolio in cross platform mobile programming
- Poor responsiveness during the sales cycle
- Overreliance on generic templates instead of custom architecture
If a provider can’t explain their quality-assurance process or refuses to give you repository access, keep looking. Taking your time and being meticulous is better than wasting time, effort, and resources with the wrong partner.
- Which frameworks and programming languages do you specialize in?
- How do you handle OS-specific features within a shared codebase?
- What is your approach to testing on real devices versus emulators?
- Will I own the source code and IP upon project completion?
- How do you structure post-launch maintenance and updates?
- Can you provide references for projects similar in scope and industry?
Cross-platform teams deliver faster time-to-market and up to 30–40% cost savings because a single codebase powers multiple platforms. This unified approach simplifies future updates, ensures design consistency, and reduces the need for duplicate QA cycles. Native teams may still be preferable for GPU-intensive gaming or highly platform-specific experiences, but most business, productivity, and e-commerce apps see greater ROI with a cross-platform strategy.