Top 100 Cross Platform App Developers in Warsaw
The Best of November 2026Looking for a top cross platform mobile app development company in Warsaw?
Cross-platform mobile applications have benefits that outweigh those of native applications if your users interact with your business on both Android and Apple products. Cross platform app development entails building a mobile app that’s compatible with multiple operating systems. Cross-platform, or hybrid apps, use a single codebase, which means you don’t need separate apps with separate technologies to appeal to customers using Android or iOS. Because of this single codebase, cross platform apps are less costly to create and maintain.
Most hybrid apps will use either Ionic or React as a development framework. React is a JavaScript framework that allow apps to support Android and iOS natively, while Ionic uses JavaScript, HTML5, CSS, and Sass for hybrid apps, desktop apps, and progressive web apps. Choosing an app developer with the right skillset to fit the technology framework your app needs is a good place to start when interviewing app development companies.
To assist you in your search for a partner, we’ve compiled this list of the top cross platform app developers in Warsaw. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Warsaw Cross Platform Mobile App Development Companies
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1$10,000+250 - 999 employeesWarszawa, PolandEmpat is a midsize app development company established in 2013. Their team offers Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The firm is in San Francisco, California; Kyiv, Ukraine; London, England and Miami, Florida.Read More
Clients
Obimy — A mobile app connecting loved ones across distances with over 10 million downloads on iOS and Android. Enables seamless communication and emotional connection. Mobile app development and social networking focus. Bigsister — Custom AI software designed for sales performance tracking and analysis, providing clean, accurate data to optimize sales teams and improve efficiency with advanced analytics. Trigga — A fintech project featuring payment systems and a comprehensive analytical database to support secure transactions and financial insights for smarter decision-making. DentalCare — Healthcare ecosystem with mobile app, web development, and CRM tools for managing patient records, tracking appointments, and sending automated reminders to improve patient care.Industries
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2$50,000+1,000 - 9,999 employeesWarszawa, PolandSigma Software Group, a custom software development company, was launched in 2002. Their large team is located in L'viv, Ukraine; New York, New York; Saratoga, California and Bellevue, Washington and offers Custom Software Development, Mobile App Development, Web Development, BI & big data consulting & SI, and more.Read More
Clients
VolvoIndustries
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3$10,000+50 - 249 employeesWarszawa, PolandSolveIt is a mobile application development firm. Their midsize team is located in Warszawa, Poland; Stockholm, Sweden; Oslo, Norway and Manchester, England. The firm focuses on Mobile App Development, Web Development, UX/UI Design, Artificial Intelligence, and more. The firm was established in 2016.Read More
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4$50,000+1,000 - 9,999 employeesWarszawa, PolandVention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.Read More
Clients
IBM PayPal pwc IC MarketsIndustries
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5$10,000+50 - 249 employeesZąbki, PolandIn Ząbki, Poland; Lewes, Delaware and Vilnius, Lithuania, Cogniteq is a midsize app development company. Established in 2005, the team offers Mobile App Development, Web Development, IoT development, and Custom Software Development.Read More
Clients
L’Oréal Chelsea FC iKawaIndustries
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6$25,000+50 - 249 employeesWarszawa, PolandRead More
LeanCode, a mobile application development company, is based in Warszawa, Poland. The midsize agency was launched in 2016. Their services include Mobile App Development, Custom Software Development, and IT strategy consulting.
Clients
Virgin Money Sonova Millennium Bank Credit Agricole Bank PolskaIndustries
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7$25,000+50 - 249 employeesWarszawa, PolandAirnauts is a midsize software development company. The Warszawa, Poland-based firm was established in 2013. Their team offers Custom Software Development, Mobile App Development, Web Design, UX/UI Design, and more.Read More
Clients
GoogleIndustries
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8$25,000+1,000 - 9,999 employeesWarszawa, PolandHeadquartered in Gliwice, Poland; Warszawa, Poland; Leverkusen, Germany and Jersey City, New Jersey, Euvic is a custom software development firm. Launched in 2005, the large team offers Custom Software Development, IT strategy consulting, IT managed services, and Mobile App Development.Read More
Clients
Arcelor MittalIndustries
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9$25,000+50 - 249 employeesWarszawa, PolandRead More
INVO Technologies is a software design an development company headquartered in Warsaw, Poland, with an office in London. Founded in 2016, the team of 8 specializes in web development, mobile app development and custom software development.
Clients
Maczfit - Żabka GroupIndustries
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10$10,000+1,000 - 9,999 employeesWarszawa, PolandSDLC Corp is an AI company. The large Dubai, United Arab Emirates-based agency was launched in 2015. Their team focuses on Artificial Intelligence, Custom Software Development, ERP consulting and SI, Web Development, and more.Read More
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11$25,000+10 - 49 employeesWarszawa, PolandRead More
mDevelopers is a software house that launched in 2010. Their team is headquartered in Warsaw and has offices in Czestochowa, Poland. They offer web development, UX/UI design, and custom software development.
Clients
BMWIndustries
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12$10,000+250 - 999 employeesWarszawa, PolandScalo is a custom software development firm founded in 2007. In Wrocław, Poland; Kraków, Poland; Warszawa, Poland and Katowice, Poland, their midsize team provides Custom Software Development, AI Consulting, DevOps Managed Services, Mobile App Development, and more.Read More
Clients
BNP Paribas, Pagaya, ING, Santander, Daimler TB.LX, Zooplus, Tabnine, Backbase, Change DonationsIndustries
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13$5,000+50 - 249 employeesWarszawa, PolandFounded in 2016, Softonix is a web development firm. Their midsize team is located in Warszawa, Poland and L'viv, Ukraine and provides Web Development and Mobile App Development.Read More
Clients
AutoboundIndustries
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14$10,000+50 - 249 employeesWarszawa, PolandRead More
DevelopsToday is a software development company that was started in 2016 in Kyiv, Ukraine. With a team of just under 20, the company provides web and mobile app development to predominately small businesses in a range of industries.
Clients
LiveControlIndustries
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15$25,000+250 - 999 employeesWarszawa, PolandRead More
Deviniti is a Generative AI company located in Wrocław, Poland; Warszawa, Poland; Berlin, Germany and Vilnius, Lithuania. The midsize firm was established in 2004. Their services include Generative AI, Artificial Intelligence, AI Consulting, Custom Software Development, and more.
Clients
Credit Agricole Bank Polska S.A.Industries
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16$5,000+10 - 49 employeesWarszawa, PolandAI Agents company Mobile Reality is based in Warszawa, Poland. The firm provides AI Agents, AI Consulting, Web Development, Mobile App Development, and more and is small.The firm was founded in 2016.Read More
Clients
TuneGOIndustries
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17$25,000+50 - 249 employeesWarszawa, PolandRead More
Software development firm TeaCode was launched in 2017. Their midsize team is headquartered in Warszawa, Poland. Their services include Custom Software Development, Artificial Intelligence, Web Development, and Mobile App Development.
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Plannin Trava IntelligentHealth Deutsche BildungIndustries
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18$10,000+250 - 999 employeesWarszawa, PolandInterexy is a Blockchain company located in Lauderdale-by-the-Sea, Florida; Dubai, United Arab Emirates; Tallinn, Estonia and Warszawa, Poland. The midsize agency was launched in 2017. Their services include Blockchain, Mobile App Development, Artificial Intelligence, IT staff augmentation, and more.Read More
Clients
Labster | EdTech Platform with $147M Funding & 6M Users 15SOF | AI Sports App with $15M Series A & 50K Downloads OtherWorlds.ai | AI-Driven 3D/AR Model App with 30%+ Retention NextStreet | SaaS Platform for 1,700+ SMBs, Cutting Wait TimesIndustries
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19$10,000+50 - 249 employeesWarszawa, PolandRead More
Movadex is a software development firm that has been offering custom software development, UX/UI design, and web development services to their small business and mid-market clients since 2017. Their 10 employees are based out of their offices in Kyiv, San Francisco, and Bern, Switzerland.
Clients
PandoraIndustries
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20$10,000+50 - 249 employeesWarszawa, PolandCode & Pepper is a midsize custom software development firm based in Warszawa, Poland; Warszawa, Poland and Suwałki, Poland. They provide Custom Software Development, UX/UI Design, Mobile App Development, IT staff augmentation, and more and were established in 2006.Read More
Clients
Finbourne (www.finbourne.com)Industries
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21$10,000+50 - 249 employeesWarszawa, PolandLaunched in 2013, Rubyroid Labs is a software development firm. The company focuses on Custom Software Development, Artificial Intelligence, Web Development, Mobile App Development, and more and has a midsize team.Read More
Clients
Volvo, Mastercard, Zeitview, Teachable, Sail Croatia, Volition, Big Purple DotIndustries
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22$10,000+50 - 249 employeesWarszawa, PolandCeladonsoft is a software development company based in Warszawa, Poland; Dubai, United Arab Emirates; Lisboa, Portugal and Richmond, Virginia. The midsize company was launched in 2016. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, and Web Development.Read More
Clients
Veil Talented Music App L'ETO EIEVIndustries
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23$10,000+250 - 999 employeesWarszawa, PolandInstinctools is a midsize software development company established in 2000. Their team provides Custom Software Development, Artificial Intelligence, BI & big data consulting & SI, Mobile App Development, and more. The company is headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware.Read More
Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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24$10,000+10 - 49 employeesWarszawa, PolandRead More
Iterators is a software development company. The Warszawa, Poland-based firm was launched in 2013. The small team offers custom software development, mobile app development, ux/ui design, IT strategy consulting, and more.
Clients
VetitForwardIndustries
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25$25,000+250 - 999 employeesWarszawa, PolandRead More
VMLY&R Poland is a website development firm. The midsize Kraków, Poland-based firm was established in 2005. Their team specializes in web development, enterprise app modernization, application management & support, mobile app development, and more.
Clients
T-moblieIndustries
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26$25,000+250 - 999 employeesWarszawa, PolandCivitta, an artificial intelligence company, is located in Vilnius, Lithuania; Rīga, Latvia; Chișinău, Moldova and Kyiv, Ukraine. They provide Artificial Intelligence, Custom Software Development, cloud consulting & SI, Enterprise App Modernization, and more and were established in 2013.Read More
Clients
Global Airlines AI Front Desk BL.INK Franchise RampIndustries
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27$10,000+250 - 999 employeesWarszawa, PolandSENLA is a midsize software development company. Located in Warszawa, Poland; London, England and Zagreb, Croatia, the agency was established in 2012. Their team focuses on Custom Software Development, Web Development, Mobile App Development, Blockchain, and more.Read More
Clients
Abbott BOSCH KPMG Western UnionIndustries
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28$10,000+10 - 49 employeesWarszawa, PolandFive Jars, a website development company, is headquartered in Brooklyn, New York; Warszawa, Poland and Arlington, Virginia. Founded in 2017, the small team offers Web Development, Web Design, Mobile App Development, and Artificial Intelligence.Read More
Clients
George Washington’s Mount VernonIndustries
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29$10,000+250 - 999 employeesWarszawa, PolandRead More
Finture, a custom software development firm, was founded in 2016. They are based in Warszawa, Poland and Farnham, United Kingdom and have a midsize team. Their services include custom software development, Artificial Intelligence, cloud consulting & SI, mobile app development, and more.
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30$25,000+10 - 49 employeesWarszawa, PolandRead More
Founded in 2018, 300.codes is a development firm. Their team of around 5 employees is based in Warsaw, Poland, with an additional office in Lublin, Poland. They focus on custom software development, web development, and product design.
Clients
BNP ParibasIndustries
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