Top 100 Cross Platform App Developers in Warsaw
The Best of June 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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151$5,000+50 - 249 employeesWarszawa, PolandITSTEADY is an IT staff augmentation company headquartered in Las Vegas, Nevada; Charlotte, North Carolina and Warszawa, Poland. Launched in 2016, the midsize team specializes in IT staff augmentation, Mobile App Development, CRM consulting and SI, Custom Software Development, and more.Read More
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152$10,000+10 - 49 employeesWarszawa, PolandRead More
6bridges is a software development company based in Lublin, Poland with no more than 50 experts. Founded in 2018, they specialize in custom software, web, and mobile app development solutions for small and mid-market firms.
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Squirrel Technologies LtdIndustries
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153$1,000+50 - 249 employeesWarszawa, PolandRead More
SoftVoya is a full-cycle agency based in Minsk, Belarus with a team of 15. Since 2018, the agency has lent its services in web development, mobile app development, and SEO to clients ranging from startups to enterprises. They specialize in frameworks such as ReactJS, Django, and WordPress, and primarily use JavaScript, Python, and PHP.
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UpserviceIndustries
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154$10,000+10 - 49 employeesWarszawa, PolandRead More
Cognitum Services SA is a custom software development firm. The Warszawa, Poland-based company was launched in 2010. The small team provides custom software development, mobile app development, wearable app development, Artificial Intelligence, and more.
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155$50,000+10 - 49 employeesWarszawa, PolandRead More
KYOTU Technology is a software development company located in Warszawa, Poland. The small firm was established in 2021. Their services include custom software development, web development, mobile app development, IoT development, and more.
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156$5,000+10 - 49 employeesWarszawa, Poland26bitz is a software development firm headquartered in Kraków, Poland and Warszawa, Poland. The company offers Custom Software Development, Artificial Intelligence, Mobile App Development, Wearable App Development, and more and has a small team.The company was launched in 2024.Read More
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Next Step FoundationIndustries
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157$5,000+50 - 249 employeesWarszawa, PolandLocated in Kaunas, Lithuania, Onectus is a small software development firm. They focus on custom software development, e-commerce development, mobile app development, IT strategy consulting, and more and were established in 2019.Read More
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Clusco UABIndustries
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158$25,000+10 - 49 employeesWarszawa, PolandRead More
Elastique is a digital agency with an office in Hilversum, the Netherlands, and Warszawa, Poland. Founded in 2008, they employ 40 staff who provide high-tech services in web and mobile app development. They work for small businesses, midmarket companies and international enterprises, delivering innovated web and mobile platforms.
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EurailIndustries
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159Undisclosed10 - 49 employeesWarszawa, PolandIngenios.io is a software development firm. The team is based in Warszawa, Poland, and their services include Custom Software Development and Web Development.Read More
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160$10,000+10 - 49 employeesWarszawa, PolandModelingEvolution is a custom software development firm. They offer Custom Software Development and Web Development and are based in Warszawa, Poland and Austin, Texas.Read More
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AdaptechGroupIndustries
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161$5,000+10 - 49 employeesWarszawa, PolandSmall website development firm Solway, is located in Warszawa, Poland and Oskemen, Kazakhstan. The team specializes in Web Development and BI & big data consulting & SI.Read More
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162$25,000+50 - 249 employeesWarszawa, PolandBased in Warszawa, Poland, Splinemoon is a custom software development firm. The midsize agency was founded in 2025. Their team focuses on Custom Software Development, Artificial Intelligence, and Mobile App Development.Read More
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163$5,000+10 - 49 employeesWarszawa, PolandAksamit Projects is a web development company launched in 2024. The small team focuses on Web Development, Custom Software Development, E-Commerce Development, Artificial Intelligence, and more. The firm is based in Warszawa, Poland.Read More
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164$5,000+250 - 999 employeesWarszawa, PolandRead More
Infograins Software Solutions is a midsize Blockchain company launched in 2011. Their team offers Blockchain, Artificial Intelligence, Custom Software Development, Mobile App Development, and more. The firm is headquartered in New York, New York; Indore, India; London, England and Barangaroo, Australia.
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165$25,000+50 - 249 employeesWarszawa, PolandLaunched in 2000, ArdentCode is a website development firm. The team focuses on Web Development and API Development and is headquartered in Wrocław, Poland and Warszawa, Poland.Read More
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166$1,000+2 - 9 employeesWarszawa, PolandEstablished in 2012, Key2Print sp. Z o.o. Is an e-commerce development firm. The firm provides E-Commerce Development and Mobile App Development, and is small.Read More
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167$1,000+2 - 9 employeesWarszawa, PolandData Design Agency, a web design agency, was launched in 2020. The small Warszawa, Poland-based team offers web design, ux/ui design, product design, graphic design, and more.Read More
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168$1,000+10 - 49 employeesWarszawa, PolandTamaki is a software development firm. The Warszawa, Poland-based team provides Custom Software Development and Video Production.Read More
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169$1,000+10 - 49 employeesWarszawa, PolandNinen is an application development firm launched in 2017. The team focuses on Mobile App Development and UX/UI Design.Read More
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170$1,000+2 - 9 employeesWarszawa, PolandHeadquartered in Warszawa, Poland, Fide-Soft P.S.A. Is a custom software development company. They specialize in Custom Software Development and Mobile App Development.Read More
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Instal-Mix J&A Sp. z o.o.Industries
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171$50,000+50 - 249 employeesWarszawa, PolandEstablished in 2019, Kodevent is an IT staff augmentation company. In Sheridan, Wyoming and Warszawa, Poland, the team focuses on IT staff augmentation and Web Development.Read More
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172$10,000+10 - 49 employeesJanki, PolandHeadquartered in Janki, Poland and Jasionka, Poland, Servocode is a small UX agency. Their services include UX/UI Design and Blockchain.Read More
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173$10,000+2 - 9 employeesWarszawa, PolandKosmosKod is a custom software development firm. The small London, England-based team provides Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more. The firm was launched in 2022.Read More
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174$10,000+10 - 49 employeesWarsaw, PolandFUN and MOBILE, an app development firm, specialize in Mobile App Development and Custom Software Development. They were founded in 2006.Read More
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175$1,000+50 - 249 employeesWarszawa, PolandSilk Data is a web development company. The team provides Web Development and Mobile App Development and is headquartered in Warszawa, Poland and Krefeld, Germany.Read More
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176$10,000+10 - 49 employeesWarszawa, PolandTime4IT, a software development firm, specialize in Custom Software Development and Web Development. They were founded in 2021.Read More
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177$25,000+10 - 49 employeesWarszawa, PolandUpsilon is a small Application Testing company. Launched in 2012, the team offers Application Testing and Web Development.Read More
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178$5,000+10 - 49 employeesWarszawa, PolandLocated in Łódź, Poland and Warszawa, Poland, STELLIS is a software development company. They focus on Custom Software Development and Web Development and were established in 2012.Read More
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179$1,000+10 - 49 employeesWarszawa, PolandTrabsky | Software House & Business Automation is a small custom software development firm launched in 2018. Their team specializes in Custom Software Development and Mobile App Development.Read More
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180$10,000+50 - 249 employeesWarszawa, PolandMidsize custom software development company Whirly, is headquartered in Warszawa, Poland. Their services include Custom Software Development and Web Development.Read More
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