Top Cross Platform App Developers
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$1,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 11 projectsStellum is a Mobile App Development company specializing in iOS and Android applications with a focus on React Native technology. Reviews highlight their expertise in improving code quality and delivering user-friendly applications, with 100% of clients noting their strong project management and commitment to high-quality outcomes. Their ability to transform poorly written code and execute complex projects efficiently is frequently praised.
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$10,000+$25 - $49 / hr50 - 249Birmingham, England
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See all 7 projectsBlueberry Consultants is a bespoke software development firm, praised for their tailored solutions and robust project management. Across the reviews, 100% of clients highlighted their effective communication and adaptability, with no negative feedback reported. Clients frequently mentioned their ability to meet deadlines and budgets, with 83% specifically noting their quick response times and problem-solving capabilities.
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$25,000+Undisclosed10 - 49Boston, MA
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See all 12 projectsEchobind is a Mobile App Development company specializing in iOS and Android Development. They are praised for their technical expertise and effective project management, with 100% of reviewers appreciating their strong communication and ability to resolve complex issues. Clients noted Echobind's smooth handling of challenging projects and their pleasant, cooperative work style.
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$1,000+$25 - $49 / hr10 - 49Noida, India
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See all 5 projectsQuickway Infosystems is a mobile app development company known for its expertise in Android and iOS development. The feedback highlights their efficiency, communication, and high-quality work, with 100% of reviewers praising their quick response times and effective project management. Their ability to enhance product quality through innovative solutions is commendable.
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$5,000+$50 - $99 / hr2 - 9Nova gorica, Slovenia
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See all 1 projectsCreative Solutions is a VR development company that excels in creating educational VR games. They are praised for their effective communication, flexibility, and creativity, delivering projects on time. With 100% positive feedback, clients appreciate their proactive approach and ability to build trust, leading to successful project outcomes and potential for future collaborations.
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$1,000+< $25 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 4 projectsDevex Hub is a Mobile App Development company specializing in Android Development. The overall feedback from reviews is overwhelmingly positive, with 100% of reviewers praising their professionalism, attention to detail, and timely delivery. Clients particularly appreciate their project management and commitment to customer satisfaction, making Devex Hub a highly recommended choice for mobile software engineering projects.
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$10,000+$25 - $49 / hr50 - 249Turbhe, New Mumbai, India
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See all 16 projectsIntelegain Technologies is a mobile app development company praised for its proficiency in developing iOS and Android applications with seamless integration into existing systems. Clients appreciate their problem-solving capabilities, with 100% of reviews highlighting their professional approach and adaptability to complex project requirements. Although some delays were noted, the overall feedback is overwhelmingly positive, emphasizing their commitment to quality and effective communication.
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$10,000+$50 - $99 / hr10 - 49Valencia, Spain
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See all 12 projectsYeeply is a Mobile App Development company that excels in creating iOS and Android applications, with strong capabilities in managing and executing projects efficiently. A significant 85% of reviews highlight their professionalism, responsiveness, and solution-oriented approach, although some mention occasional billing issues or project delays. Overall, Yeeply is praised for its quality deliverables and effective communication, fostering long-term client relationships.
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$1,000+$50 - $99 / hr2 - 9Kyiv, Ukraine
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See all 2 projectsPurrcode Solutions is a web development company specializing in node.js, with capabilities extending to PHP projects. Reviews highlight their responsiveness, quality focus, and successful project delivery, with 100% of reviewers expressing satisfaction and recommending them for collaboration. Their approach is praised for treating clients' projects as their own, ensuring high-quality outcomes.
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$5,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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See all 4 projectsYTeams Pvt Ltd is a software development company specializing in React JS with a team known for their advanced use of frameworks and scrum methodologies. The feedback highlights their skilled JavaScript developers and impressive productivity, with 100% of the reviews noting their responsiveness and ability to deliver powerful outcomes.
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$1,000+$100 - $149 / hr10 - 49Stockholm, Sweden
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See all 1 projectsShortcut is a Mobile App Development company that excels in iOS Development. Clients consistently praise their dedication and project management skills, with 100% of reviewers noting their hard work and problem-solving abilities. The company is lauded for its impact on user engagement, reflected in substantial growth in app users without marketing efforts.
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$10,000+$50 - $99 / hr10 - 49Dnipro, Ukraine
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See all 5 projectsD Coast Studio is a versatile design and development agency known for its high-quality UX design, website development, and marketing solutions. Client feedback highlights the company's prompt communication, collaborative attitude, and ability to meet tight deadlines. Approximately 75% of reviews emphasize their exceptional responsiveness and project management skills, with clients expressing satisfaction in achieving desired outcomes efficiently.
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$10,000+$50 - $99 / hr10 - 49Kfar Netter, Israel
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See all 3 projectsAppniv is a versatile software development company specializing in web and mobile applications, utilizing technologies such as Angular, Java, and C#. The company receives overwhelmingly positive feedback, with clients praising their flexibility, innovation, and commitment to meeting milestones. About 33% of reviews mention effective communication, while 67% highlight their ability to manage expectations and deliver quality results. Some feedback notes challenges with time zone differences and staff turnover.
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$1,000+$25 - $49 / hr50 - 249Indore, India
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See all 5 projectsCarina Softlabs Inc. is a development company offering services in mobile app development, game development, and website design. Feedback is mixed, with 50% of reviews highlighting issues like unoptimized code and poor communication, while the other 50% praise their ability to deliver quality prototypes efficiently. Clients suggest technical audits to ensure project quality.
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$1,000+< $25 / hr10 - 49Lagos, Nigeria
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See all 4 projectsTechhive Technologies is a web development company specializing in creating functional and attractive websites for educational institutions and e-commerce businesses. Reviews indicate a 100% positive sentiment, with clients highlighting Techhive's professionalism, effective project management, and ability to understand and achieve specific business goals. Approximately 40% of reviewers note the company's strength in clear communication and tailored solutions.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 3 projectsVGD Technologies is a software development company specializing in creating investment apps and CRM systems. They have received overwhelmingly positive feedback, with 100% of reviewers praising their timely delivery and impressive project management. Clients have reported substantial financial benefits, such as a $2.7 million revenue increase due to their solutions.
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$1,000+$50 - $99 / hr2 - 9George, South Africa
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See all 3 projectsCRT Digital is a versatile digital agency specializing in website development, social media management, and comprehensive branding solutions. Across the reviews, 100% of clients express satisfaction with their innovative approaches and timely deliveries. Notably, 67% highlight their cultural fit and work ethic as impressive, while 33% emphasize their cost-effectiveness and value alignment.
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$5,000+< $25 / hr50 - 249
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See all 12 projectsNavyug Infosolutions is a Mobile App Development company specializing in creating custom Android and iOS applications. Across multiple reviews, clients have praised their technical competence and proactive approach to project management, resulting in high satisfaction rates. Approximately 90% of reviewers reported positive experiences, highlighting Navyug’s ability to meet project timelines and solve complex technical challenges effectively.
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$10,000+$25 - $49 / hr50 - 249
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See all 3 projectsSISGAIN is a Mobile App Development company specializing in healthcare solutions, delivering high-quality and customized applications. Their services have garnered positive feedback, with approximately 100% of reviews highlighting their professionalism, effective communication, and timely delivery. Many clients commend their expertise in creating innovative healthcare applications, emphasizing their dedication and focus on meeting project requirements.
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$1,000+$25 - $49 / hr2 - 9Barranquilla, Colombia
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See all 2 projectsEbenezer Technologies is a software development company specializing in robotics and AI solutions. They have received overwhelmingly positive feedback, with 100% of reviews highlighting their professionalism, integrity, and effective project management. Clients praise their technical expertise, with one noting their ability to enhance AI weapon recognition accuracy to 99%. The company is lauded for straightforward communication and innovative problem-solving.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 1 projectsScript All DNA Technologies is a technology solutions provider specializing in custom software development, as evidenced by their successful delivery of a tailored CRM solution. With 100% positive feedback, clients praise their innovative approaches, effective communication, and strong project management, highlighting their commitment to quality and customer-focused service.
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$5,000+$25 - $49 / hr50 - 249Dubai, United Arab Emirates
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See all 1 projectsairvon is a Mobile App Development company highly praised for its proactive approach and comprehensive solutions. They effectively handled a complex project involving mobile and web application development, significantly increasing subscriber count and engagement. Review feedback is overwhelmingly positive, noting their ability to communicate effectively and adapt based on client feedback.
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$25,000+$50 - $99 / hr10 - 49Cochabamba, Bolivia
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See all 2 projectsNCoding is a proficient mobile app development company praised for their exceptional dedication and high-quality software engineering. With 100% positive reviews, clients commend their ability to deliver complex projects on time and their collaborative approach, particularly in iOS and Android development. Their expertise in mobile and web platforms makes them a valuable partner for digital transformation initiatives.
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$10,000+$25 - $49 / hr10 - 49Mumbai, India
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See all 4 projectsBlackcurrant Labs Pvt. Ltd. is a technology solutions company specializing in SaaS development, video calling technologies, and custom software solutions. Reviewers consistently praise their business-oriented approach, proactive idea implementation, and seamless project execution. Notably, 100% of the feedback highlights their timely delivery and effective communication. Clients commend their technical expertise and commitment to understanding business needs, resulting in user-friendly and scalable products.
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$5,000+$25 - $49 / hr10 - 49Gurugram, India
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See all 12 projectsXonest Technologies (OPC) Pvt. Ltd. is a company specializing in Mobile App Development, offering services such as web design and development. Their reviews are overwhelmingly positive, highlighting their transparency, timely delivery, and effective project management, with 100% of clients praising their clear communication and scalable solutions.
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$10,000+$25 - $49 / hr50 - 249Houston, TX
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See all 1 projectsThe Hashtech is a mobile app development company highly praised for its strong technical expertise and commitment to understanding business needs. Feedback is overwhelmingly positive, highlighting their professionalism, transparency, and ability to deliver comprehensive solutions on time. Approximately 90% of reviewers emphasize their efficient project management and proactive approach to addressing operational challenges.
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$5,000+< $25 / hr10 - 49Jaipur, India
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See all 19 projectsLucenta Solutions Technologies Pvt Ltd is a Mobile App Development company that has consistently delivered high-quality solutions across various industries. With 100% positive feedback, clients praise their professionalism, timely delivery, and effective project management. Approximately 80% of reviewers highlight their ability to meet project deadlines and exceed expectations, making them a reliable choice for Mobile and Smartphone App Development needs.
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$10,000+$25 - $49 / hr50 - 249Zaporizhzhia, Ukraine
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See all 5 projectsPixelTeh is a software development company specializing in web and mobile applications, with expertise in front-end and back-end development. The company is consistently praised for its technical skills, effective communication, and project management capabilities. Approximately 100% of reviews highlight their ability to deliver projects on time and exceed expectations, and no significant areas for improvement were noted across the feedback.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 2 projectsTechGlock Software Solutions is a software development company specializing in scalable platform and website development. Their clients consistently praise their excellent communication, fast turnaround, and proactive approach, with 100% of reviewers highlighting their ability to understand project needs and recommend effective solutions. The company is noted for its strong project management and support throughout the development process.
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$5,000+$25 - $49 / hr10 - 49Miami, FL
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See all 25 projectsNetMaxims Technologies specializes in Mobile App Development, offering services in iOS Development and Android Development, among other technological solutions. Client feedback consistently highlights their effective project management, timely communication, and high-quality deliverables. The recurring themes in the reviews emphasize the company's diligence, technical expertise, and active listening skills, which ensure project requirements are met comprehensively and within deadlines.
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$5,000+$25 - $49 / hr50 - 249Mumbai, India
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See all 1 projectsADe Technologies, Inc. is a versatile technology company specializing in Mobile App Development, including iOS Development, and additional services such as graphic design, SMM, and SEO. Clients commend their seamless project management and robust system performance, with over 97% uptime, reflecting their commitment to reliability and responsiveness. Their dedication to client needs, often working around the clock, is a prominent theme in reviews.
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$5,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 15 projectsAsync Labs is a versatile application development company specializing in creating both mobile and web applications. Reviewers consistently praise their responsive design capabilities and effective project management, with 100% of feedback highlighting their professionalism, expertise, and customer-focused approach. Their dedication to delivering high-quality, aesthetically pleasing, and functional applications makes them a strong candidate for mobile app development projects.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 7 projectsMelior Games, a mobile app development company specializing in gaming applications, has received varied feedback from clients. Approximately 80% of reviews highlight their competitive pricing and professional expertise in mobile software development, resulting in successful launches like "SkeeBoost" and "Football Tycoon." However, 20% of reviews indicate challenges with project management and technical execution, suggesting room for improvement in communication and technology choices.
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$1,000+< $25 / hr2 - 9
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See all 19 projectsIlani Concepts is a development company that specializes in creative projects, including mobile app and game development. Clients appreciate their flexibility and availability, as highlighted by 100% of the reviewers. Feedback indicates a need for improved product research, but the overall response is positive, with the company being commended for fostering creativity and engagement.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 8 projectsIngenious Minds Lab is a mobile app development company specializing in iOS and Android applications. Reviews highlight their responsiveness, quality work, and effective project management, with 80% of reviewers praising their communication and 60% appreciating their ability to deliver high-quality products on time. Some feedback suggests improvement in design attention, but overall, they are commended for their standard code development and inventive solutions.
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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+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
75% Mobile App Development80% Hybrid & cross platform apps25% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
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 -
$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 -
$1,000+< $25 / hr50 - 249Kolkata, India
Ability to deliver
38.3/40.019/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% 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 -
$10,000+$25 - $49 / hr50 - 249Indore, India
Ability to deliver
37.9/40.018.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Mobile App Development50% Hybrid & cross platform apps50% Other -
$5,000+$50 - $99 / hr50 - 249New York, NY
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
60% Mobile App Development50% Hybrid & cross platform apps40% 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 -
$5,000+$25 - $49 / hr50 - 249Jaipur, India
Ability to deliver
39.2/40.019.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
50% Mobile App Development35% 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
60% Mobile App Development30% Hybrid & cross platform apps40% Other -
$5,000+< $25 / hr50 - 249Indore, India
Ability to deliver
38.4/40.020/20 Reviews8.8/10 Clients & Experience9.6/10 Market PresenceService focus
55% Mobile App Development40% Hybrid & cross platform apps45% Other -
$5,000+$25 - $49 / hr250 - 999Surry Hills, Australia
Ability to deliver
38.6/40.018.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Mobile App Development25% Hybrid & cross platform apps50% Other -
$5,000+$25 - $49 / hr50 - 249Dnipro, Ukraine
Ability to deliver
38.2/40.018.8/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
40% Mobile App Development60% Hybrid & cross platform apps60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999Gliwice, Poland
Ability to deliver
38.1/40.018.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Mobile App Development30% Hybrid & cross platform apps80% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Mobile App Development60% Hybrid & cross platform apps70% Other -
$50,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
70% Mobile App Development70% Hybrid & cross platform apps30% 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
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.