Top Cross Platform App Developers
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$10,000+$100 - $149 / hr10 - 49Doral, FL
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See all 3 projectsAppsGem is a mobile app development company known for its expertise in crafting innovative mobile solutions. With a focus on Mobile App Development, the company has received unanimously positive feedback, praised for its exceptional project management, timely delivery, and transparent communication. Their commitment to quality and alignment with client objectives has consistently exceeded expectations.
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$10,000+$50 - $99 / hr10 - 49Santa Monica, CA
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See all 2 projectsInvemo is a mobile app development company specializing in creating native applications for iOS and Android platforms. Their clients report high satisfaction, with praise for their agile project management and professional approach. Notably, 100% of reviewers commend Invemo for their effective communication and ability to deliver projects on time and within budget.
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$10,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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See all 2 projectsTechnowis is a versatile technology company specializing in developing automated onboarding portals and e-commerce solutions. Their reviews highlight their efficiency and proactive communication, with 100% of feedback praising their ability to deliver projects ahead of schedule without compromising quality. Clients commend their leadership's passion and dedication to overcoming challenges, though synchronization across time zones was noted as a minor area for improvement.
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Undisclosed$50 - $99 / hr2 - 9London, England
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See all 1 projectsRonins is a digital agency renowned for its expertise in digital strategy, branding, and user-centered design. They deliver tailored solutions with a strong focus on understanding client needs and maintaining transparent communication. With 100% positive feedback, clients appreciate their professionalism, human-centric approach, and agility, making them feel like an integrated part of their corporate family.
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$5,000+$50 - $99 / hr10 - 49Tillsonburg, Canada
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See all 3 projectsChameleon Ideas Inc. is a versatile company specializing in Mobile App Development, with a strong reputation for delivering high-quality iOS and Android applications. Their reviews highlight a 100% positive feedback rate, praising their ability to transform complex ideas into functional, intuitive digital solutions while maintaining clear communication and project timelines.
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$50,000+< $25 / hr50 - 249Ahmedabad, India
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See all 3 projectsMobMaxime is a proficient Mobile App Development company specializing in both Android and iOS platforms, primarily using the Xamarin framework. With a track record of successfully managing extensive app development projects, they receive positive feedback for their UI/UX updates and project management skills. Approximately 90% of the reviews highlight their responsiveness and collaboration, emphasizing their commitment to customer satisfaction and continuous product improvement.
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Undisclosed$25 - $49 / hr2 - 9Balneário Camboriú, Brazil
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See all 5 projectsBeyonders is a Mobile App Development company, adept at enhancing application flow and integrating crucial functionalities like payment gateways. With 100% positive feedback, clients praise their transparency, professionalism, and effective project management. They are regarded for delivering on time and improving user experience, showcasing their expertise in Mobile Software Development.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 15 projectsEMED HEALTHTECH is a Mobile App Development company specializing in healthcare solutions, including iOS and Android Development for telemedicine and e-pharmacy platforms. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their deep domain expertise, responsiveness, and ability to deliver user-friendly applications on time. Their clients commend them for aligning with budget constraints and effectively communicating throughout the project lifecycle.
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$1,000+$25 - $49 / hr2 - 9Białystok, Poland
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See all 4 projectschrum.it is a Mobile App Development company specializing in creating high-quality applications for both iOS and Android platforms. A significant 100% of reviews highlight their technical knowledge and seamless communication. Clients are particularly impressed by their ability to overcome development challenges and consistently deliver projects on time and within budget.
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$5,000+$25 - $49 / hr10 - 49
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See all 3 projectsOYKOS DEVELOPMENT is a software development company specializing in web and mobile development, as well as system engineering. The company receives highly positive feedback, with clients praising their reliability, transparency, and efficient project management. Approximately 100% of reviewers appreciate their timely delivery and communication, highlighting the company's commitment to modern technologies and professional execution.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 14 projectsPerspective Unity Ltd. is a specialized Mobile App Development company proficient in creating seamless cross-platform applications for iOS and Android. Across their reviews, 100% of clients commend their technical expertise, commitment to project success, and efficient project management. The company is praised for its strategic thinking, effective communication, and ability to deliver high-quality, user-friendly solutions on time, making them a reliable and innovative development partner.
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$25,000+Undisclosed10 - 49Columbia, MO
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See all 6 projectsQuarkWorks is a mobile app development company with expertise in both iOS and Android platforms. Reviewers consistently highlight their professionalism, attention to detail, and ability to integrate seamlessly with client teams. With 100% positive feedback, QuarkWorks is praised for their quality of work, development velocity, and partnership approach, making them a reliable choice for clients seeking comprehensive mobile application development solutions.
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$25,000+$100 - $149 / hr10 - 49Lavender Bay, Australia
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See all 2 projectsGomeeki is a Mobile App Development company specializing in iOS and Android application development. With a strong focus on client engagement and tailored solutions, 100% of reviewers highlight their excellent project management and commitment to delivering innovative, customized apps. Clients commend Gomeeki's personal touch and effective communication, demonstrating a high level of satisfaction and successful outcomes.
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$1,000+< $25 / hr10 - 49Hanoi, Vietnam
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See all 12 projectsCanary Software is a Mobile App Development company known for its effective communication and high-quality code. Approximately 100% of reviewers mention their proficiency in delivering projects on time, with prompt support and valuable design analysis. Clients appreciate their ability to efficiently manage workflow and meet tight deadlines.
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$25,000+$100 - $149 / hr10 - 49
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See all 3 projectsMerlino Software Agency is a Mobile App Development company specializing in iOS and Android app development, as well as e-commerce solutions. Feedback highlights their professionalism, effective project management, and excellent communication, with 100% of reviewers praising their use of the latest technologies and responsiveness. Clients commend their clarity in pricing and their ability to deliver high-quality, user-friendly products.
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$1,000+$25 - $49 / hr10 - 49Kent, England
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See all 23 projectsCritical Mission Computing Ltd is a proficient Mobile App Development company, specializing in comprehensive app solutions for both iOS and Android platforms. They are praised for their professional project management and detailed understanding of user experience, with 100% of reviewers highlighting their responsive communication and knowledgeable team. Clients report significant improvements in traffic and user engagement following app development.
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$5,000+$25 - $49 / hr50 - 249Kazhakkoottam, India
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See all 1 projectsSoftnotions Technologies is a versatile web and mobile app development company praised for its proactive customization and ability to fill gaps in clients' skill sets. They have garnered positive feedback for their robust project management and dynamic work ethic, with no major issues reported. Approximately 100% of reviewers highlight their effective communication and flexible approach to project scopes.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 4 projectsIntelliPro Solutions Pvt Ltd is a web development and SEO service provider, praised for its effective project management and customer communication. The company is highly regarded, with 100% of reviewers noting their professionalism and collaborative approach. Clients commend their ability to enhance web presence, with one reporting an 18% increase in direct bookings, demonstrating IntelliPro's impactful solutions.
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$5,000+$25 - $49 / hr10 - 49Ho Chi Minh City, Vietnam
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See all 12 projectsSosene Software is a mobile app development company excelling in custom software solutions, particularly in the domains of administration and HR. Reviews highlight their exemplary project management and responsiveness, achieving a user satisfaction rating of 4.5 out of 5. Notably, 60% of reviews emphasize their proactive customer support and personalized service. Some feedback suggests a need for improvement in adhering to delivery timelines.
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$5,000+$100 - $149 / hr2 - 9New York, NY
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See all 1 projectsKTM Agency is a branding and web design company known for their professional communication and innovative approach. The reviews highlight their ability to develop unique branding concepts and strong digital products, with 100% of reviewers praising their responsiveness and attention to detail. Clients commend their project management style and effective use of communication tools, contributing to successful outcomes and enhanced business positioning.
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$1,000+< $25 / hr10 - 49Tallahassee, FL
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See all 14 projectsGeeks2Connect InfoTech Private Limited is a software development company specializing in mobile app development and digital transformation with exceptional UX/UI design skills. With 100% positive feedback, clients praise their technical expertise, proactive problem-solving, and flexibility. The company consistently delivers high-quality, user-centered solutions, and effective project management, meeting deadlines and adapting to evolving project needs.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 8 projectsBlack Kite Technologies Pvt Ltd offers services in software development and IT services, including Mobile App Development. Reviews highlight the company's enthusiastic and hardworking team, excellent project management, and consistent delivery of valuable results within budget constraints. Clients particularly appreciate their responsiveness and clear goal orientation.
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$1,000+< $25 / hr10 - 49Gandhinagar, India
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See all 6 projectsBytesved Technologies LLP is a mobile app development company specializing in iOS and Android App Development. The company is praised for delivering timely and reliable solutions, with 100% of reviewers noting their effective project management and responsiveness. Clients appreciate their ability to transform ideas into reality, highlighting their commitment and proactive communication.
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$50,000+$150 - $199 / hr2 - 9El Segundo, CA
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See all 22 projectsExpedition Co. is a versatile app development company specializing in mobile application development, including iOS and Android platforms. They are highly praised for their hands-on approach, trustworthiness, and effective project management. With an 80% positive feedback rate, clients appreciate their ability to meet timelines, adapt to changes, and provide exceptional customer service.
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$10,000+$50 - $99 / hr10 - 49Tampa, FL
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See all 3 projectsModernized Mobile LLC is a digital marketing and software development firm specializing in social media management, website development, and app creation. The company received overwhelmingly positive feedback, with clients praising their responsiveness, strategic execution, and ability to enhance digital presence. Clients frequently highlighted their exceptional communication and personalized service, leading to successful outcomes, such as a 7% increase in event attendance and the execution of a multi-million-dollar agreement.
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$5,000+< $25 / hr10 - 49
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See all 1 projectsBrihat Infotech Private Limited is a Mobile App Development company praised for its effective project management and professionalism. All reviewers highlight their transparency and timely delivery, with 100% positive feedback on their services, including app and web development, AI tool innovation, and digital marketing solutions.
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$5,000+$25 - $49 / hr10 - 49Istanbul, Türkiye
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See all 1 projectsReady Technology Services Inc. is a comprehensive technology solutions provider specializing in IoT product development, cloud solutions, and mobile app design. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their flexibility and result-oriented approach. They are noted for their close collaboration with clients, making them an ideal partner for startups seeking custom technology solutions.
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$5,000+$25 - $49 / hr250 - 999Noida, India
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See all 15 projectsWebmobril Inc. is a mobile app development company known for creating robust iOS and Android applications. Across various projects, 100% of reviewers highlighted their ability to deliver on time, responsiveness, and professional project management. Their customer-centric approach and alignment with client values are frequently praised, with 60% emphasizing their budget-friendly pricing and cultural fit.
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$5,000+$100 - $149 / hr10 - 49Vancouver, Canada
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See all 29 projects14 Oranges Software is a mobile app development company specializing in iOS and Android applications. With consistently positive feedback from clients, 100% of reviewers highlighted their professionalism and efficient project management. Clients particularly praised their responsive communication, seamless workflow, and the intuitive nature of their CMS, indicating successful mobile software engineering outcomes. The company’s ability to exceed expectations and deliver user-friendly apps is frequently noted.
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$50,000+$25 - $49 / hr250 - 999Medellín, Colombia
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See all 7 projectsSofka Technologies is a comprehensive IT services provider specializing in software development, digital transformation, and systems integration. The company receives consistently positive feedback for their technical expertise, professionalism, and effective project management, with approximately 100% of reviewers highlighting their skill in managing complex projects and implementing innovative solutions. Clients frequently commend Sofka Technologies for their strong communication and ability to deliver high-quality results.
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$25,000+$50 - $99 / hr50 - 249
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See all 6 projectszGames is a mobile app development company specializing in custom solutions, particularly in game development for iOS platforms. They have received overwhelmingly positive feedback, with over 80% of clients praising their responsiveness, technical expertise, and ability to deliver on budget and on time. Clients highlight zGames' professionalism and adaptability, with 70% mentioning their impressive project management skills and commitment to client satisfaction.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 7 projectsZeppelin Labs is a Mobile App Development company specializing in creating engaging and functional applications for iOS and Android platforms. Their clients praise them for exceptional project management, timely delivery, and innovative UX designs. All reviews express satisfaction, highlighting their ability to enhance user experience and drive business goals, with 100% of reviewers noting their technical expertise and communication skills.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 8 projectsBuoyancy Software LLP is a mobile application development company specializing in cross-platform solutions, including iOS and Android development. Across their reviews, 100% of clients highlight their excellent project management and technical expertise, particularly in integrating complex features. Notably, 75% of reviewers commend their ability to deliver projects on time while maintaining proactive communication.
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$10,000+$25 - $49 / hr10 - 49Singapore, Singapore
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See all 1 projectsSleekDigital is a digital solutions company specializing in ERP systems, CRM, and project management software with web and mobile app integration. Client feedback is predominantly positive, highlighting their reasonable pricing and commitment to understanding client needs, despite a slight delay in project completion. Approximately 90% of reviewers emphasize their effective project management and communication.
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$10,000+$150 - $199 / hr10 - 49Phoenix, AZ
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See all 5 projectsHSTK Haystack is a dedicated Mobile App Development company specializing in iOS and Android platforms. They consistently deliver high-quality work, meeting deadlines and maintaining transparency, as noted by 100% of reviewers. Clients appreciate their professionalism, with 67% highlighting their strong project management skills and personal investment in project success.
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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 -
$10,000+$50 - $99 / hr50 - 249Greenville, SC
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Mobile App Development55% Hybrid & cross platform apps50% 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 -
$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
60% Mobile App Development50% Hybrid & cross platform apps40% 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 - 249Rzeszów, Poland
Ability to deliver
39/40.019.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% Other -
$25,000+$25 - $49 / hr250 - 999Dubai, United Arab Emirates
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 -
$50,000+$150 - $199 / 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
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 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 -
$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
60% Mobile App Development50% Hybrid & cross platform apps40% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
75% Mobile App Development80% 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
37.5/40.018/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% Other -
$25,000+$50 - $99 / hr50 - 249Buenos Aires, Argentina
Ability to deliver
37.1/40.017.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
50% Mobile App Development60% Hybrid & cross platform apps50% 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 -
Undisclosed$25 - $49 / hr250 - 999Dubai, United Arab Emirates
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Mobile App Development30% Hybrid & cross platform apps60% Other -
$10,000+$150 - $199 / hr10 - 49Halifax, Canada
Ability to deliver
38.9/40.020/20 Reviews9/10 Clients & Experience9.9/10 Market PresenceService focus
40% Mobile App Development70% Hybrid & cross platform apps60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999Gliwice, Poland
Ability to deliver
37.7/40.018/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Mobile App Development30% Hybrid & cross platform apps80% Other -
$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Ability to deliver
36.4/40.018.8/20 Reviews9.9/10 Clients & Experience7.7/10 Market PresenceService focus
70% Mobile App Development80% Hybrid & cross platform apps30% 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 -
$25,000+$25 - $49 / hr50 - 249Miami, FL
Ability to deliver
36.3/40.017/20 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
36.3/40.017/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
60% Mobile App Development60% Hybrid & cross platform apps40% 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.