Top 70 Cross Platform App Developers in Sofia
The Best of December 2025Looking for a top cross platform mobile app development company in Sofia?
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 Sofia. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Sofia Cross Platform Mobile App Development Companies
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31$50,000+10 - 49 employeesSofia, BulgariaWebsite development company Ever Technologies was founded in 2017. Their small team is based in Sofia, Bulgaria. Their services include Web Development, Custom Software Development, E-Commerce Development, and Mobile App Development.Read More
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Nabo As (Norway)Industries
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32$5,000+2 - 9 employeesSofia, BulgariaRead More
QualiSage is a custom software development firm. Their small team is located in Sofia, Bulgaria. Their team provides custom software development, mobile app development, enterprise app modernization, web development, and more.
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33$10,000+10 - 49 employeesSofia, BulgariaScavasoft is a custom software development firm. They offer Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more and were launched in 2015. Their small team is Varna, Bulgaria-based.Read More
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RedinavIndustries
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34$5,000+10 - 49 employeesSofia, BulgariaRead More
Rubber Duck is a website development company based in Sofia, Bulgaria and Plovdiv, Bulgaria. Founded in 2015, the small team specializes in web development, custom software development, ux/ui design, mobile app development, and more.
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35$5,000+10 - 49 employeesSofia, BulgariaKey Development is a small custom software development firm in Sofia, Bulgaria. Established in 2014, the team specializes in Custom Software Development, Web Development, E-Commerce Development, Mobile App Development, and more.Read More
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36$10,000+2 - 9 employeesSofia, BulgariaRead More
Founded in 2015, ToBeCode is headquartered in Sofia, Bulgaria. ToBeCode specializes in web development, e-commerce development and custom software development. A team of less than 10, ToBeCode focuses on clients in the retail, business services and advertising & marketing industries.
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Bulgarian-Swiss Cooperation ProgrammeIndustries
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37$100,000+50 - 249 employeesSofia, BulgariaRead More
TechPods is an IT firm based in Sofia, Bulgaria, and founded in 2018. With over 10 employees, they provide IT staff augmentation, custom software development, and web development services for small and medium-sized businesses alike.
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Arctic ShoresIndustries
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38$10,000+10 - 49 employeesSofia, BulgariaRead More
Generic Soft is a custom software development firm. Their small team is located in Sofia, Bulgaria. The agency offers custom software development, web development, blockchain, mobile app development, and more.
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39$5,000+10 - 49 employeesSofia, BulgariaUASOFTDEV is a small cloud consulting & SI company. Established in 2022, the team provides cloud consulting & SI, Custom Software Development, Web Development, IT staff augmentation, and more. The agency is located in Brovary, Ukraine; Kyiv, Ukraine; Berlin, Germany and London, England.Read More
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40$10,000+2 - 9 employeesSofia, BulgariaRead More
Tweerous OOD is a full-stack software development and consultancy company based in Sofia, Bulgaria, and founded in 2012. With over two members, they provide custom software, web, and mobile app development solutions to small businesses across various industries.
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EclecticaIndustries
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41$5,000+50 - 249 employeesSofia, BulgariaAtom Solutions Ltd. Is a web development firm founded in 2008. Located in Sofia, Bulgaria and Silkeborg, Denmark, the team focuses on Web Development and Web Design.Read More
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42$5,000+10 - 49 employeesSofia, BulgariaSmarch is a Sofia, Bulgaria-based custom software development firm. They provide Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more and were launched in 2018.Read More
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AhviidIndustries
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43$10,000+10 - 49 employeesSofia, BulgariaIndigoVerge is a software development company. In Sofia, Bulgaria, the firm was launched in 2006. Their team focuses on Custom Software Development and IoT development.Read More
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44$1,000+2 - 9 employeesSofia, BulgariaInterSOFT is a small SEO agency launched in 2002. Their team provides Search Engine Optimization and Web Development.Read More
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45Undisclosed50 - 249 employeesSofia, BulgariaPytek Ltd. Is a Sofia, Bulgaria-based custom software development firm. Their services include Custom Software Development and Web Development.Read More
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46$25,000+50 - 249 employeesSofia, BulgariaCloud consulting & SI company InterConsult Bulgaria was launched in 1996. The team provides cloud consulting & SI and IT managed services and is based in Sofia, Bulgaria.Read More
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47$5,000+50 - 249 employeesSofia, BulgariaCodeValue Bulgaria is an IT staff augmentation company. The midsize Sofia, Bulgaria-based team offers IT staff augmentation and Custom Software Development. The firm was founded in 2014.Read More
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48$5,000+10 - 49 employeesSofia, BulgariaWeiChain Tech is a Blockchain company. The agency is based in Singapore, Singapore and Sofia, Bulgaria. Their services include Blockchain and Web Development.Read More
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49$5,000+10 - 49 employeesSofia, BulgariaCustom software development company ICON Worldwide AG is located in Zürich, Switzerland and Sofia, Bulgaria. The team focuses on Custom Software Development and Mobile App Development.Read More
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Credit SuisseIndustries
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50$25,000+50 - 249 employeesSofia, BulgariaImperia Online Ltd., a mobile application development company, provides Mobile App Development and Web Development. The company is located in Sofia, Bulgaria.Read More
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51$25,000+10 - 49 employeesSofia, BulgariaST6, a web development firm, was founded in 2017. The firm specializes in Web Development and Mobile App Development.Read More
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52$10,000+10 - 49 employeesSofia, BulgariaSunny Soft, a custom software development firm, focuses on Custom Software Development and Mobile App Development. The firm is headquartered in Sofia, Bulgaria and Coppet, Switzerland.Read More
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53$25,000+50 - 249 employeesSofia, BulgariaSoftware Product Group is a midsize custom software development company. They provide Custom Software Development and Mobile App Development and were launched in 2017.Read More
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54$1,000+10 - 49 employeesSofia, BulgariaStudio Kipo is a SEO agency established in 2007. Their services include Search Engine Optimization and Web Design.Read More
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FerratumIndustries
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55Undisclosed2 - 9 employeesSofia, BulgariaCreotech is a web development company. They are in Sofia, Bulgaria. Their team specializes in Web Development and Mobile App Development.Read More
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56$10,000+50 - 249 employeesSofia, BulgariaDevocean Services is a midsize software development company. They focus on custom software development, web development, mobile app development, and application testing and were launched in 2014.Read More
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57$1,000+2 - 9 employeesSofia, BulgariaSoftware development company FocusOn is headquartered in Sofia, Bulgaria. Established in 2018, the team offers Custom Software Development and Mobile App Development.Read More
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58Undisclosed10 - 49 employeesSofia, BulgariaTopvine Consulting OOD is a web development company. The team is in Sofia, Bulgaria, and their services include Web Development and Custom Software Development.Read More
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59$5,000+10 - 49 employeesSofia, BulgariaSirius Software is a Marketing Strategy company. The Sofia, Bulgaria-based company specializes in Marketing Strategy and Web Design.Read More
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60$5,000+10 - 49 employeesSofia, BulgariaSourcelab is an UX design agency. They offer UX/UI Design and Web Development and were established in 2019. The company is in Sofia, Bulgaria and Amsterdam, Netherlands.Read More
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