Top 100 Mobile App Developers in Sofia
September 2023Looking for a top mobile app development company in Sofia?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in Sofia. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Sofia Mobile App Development Companies
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Featured providers
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- $25,000+
- 50 - 249 employees
- Raleigh, NC
Tintash is a Stanford-alumni led software development firm that since 2008 has been an innovation and technology partner on over 100 projects for startups and enterprises – including a Unicorn, a Fortune 500, and an Apple retail partner. Headquartered in Raleigh, N.C., Tintash offers 130+ personnel with distinguished expertise in all aspects of mobile app, web, and game development, user experience design, quality assurance, project management, analytics, and related services.
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- $10,000+
- 1,000 - 9,999 employees
- Warszawa, Poland
Innowise Group is a custom software development company based in Warsaw, Poland. With more than 1000 specialists on board and 600 projects completed, they use cutting-edge technologies to transform their client's businesses. They are experts in designing and developing tech solutions that will help your company enhance its processes and increase customer satisfaction, thanks to their 15+ years of experience and extensive expertise. They create custom software to fit your unique requirements in terms of timeline, budget, and use case. They handle every step of the development process, from product concept and development to testing, deployment, and support. In addition to building custom software, we also excel in UX/UI design, IT strategy consulting, and staff augmentation.
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- $25,000+
- 250 - 999 employees
- Ahmedabad, India
Founded in 2011, Hyperlink InfoSystem is a 250+ team of professionals dedicated to IT services, mobile app development, and ERP/SI consulting. Based in Ahmedabad, the company offers a range of digital solutions from offices in the UK, US, and Australia.
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1
- $25,000+
- 50 - 249 employees
- Sofia, Bulgaria
CodeIT is a development company in Kharkiv, Ukraine, that was founded in 2007. CodeIT's more than 50 employees provide web development, mobile app development, and custom software development services to brands in a variety of industries.
Clients
- Roomster
- Zimit
- ChartIQ
- Iris CRM
Industries
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CodeIT created a website MVP for an advertising and marketing company. Following a discovery phase, the team designed the UI/UX, developed the backend, conducted testing, and trained the client's staff.
"Their level of dedication and insight was invaluable."
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2
- $25,000+
- 10 - 49 employees
- Sofia, Bulgaria
Qualifast is a software agency based in Sofia, Bulgaria, and founded in 2017. With more than two experts, they specialize in custom software, web, and mobile app development solutions for small and mid-market firms alike in the fields of consumer products and financial services.
Clients
- Hopper
- Reloyalty
- Colibra
- OceniMe
Industries
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Qualifast developed an iOS-based mobile app for an AI-based executive assistant platform. The team helped scale the resources needed for the project and implemented relevant features and functionalities.
"They employed good long-term thinking."
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Featured providers
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- $10,000+
- 2 - 9 employees
- Navi Mumbai, India
Tarkashilpa Technologies is an app development company. They specialize in mobile app development and web development and were launched in 2016. The agency is located in Navi Mumbai, India.
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- $10,000+
- 50 - 249 employees
- Kyiv, Ukraine
Empat is a digital agency based in Kyiv, Ukraine, and founded in 2013. With no more than 50 professionals, they provide e-commerce, web, and mobile app development solutions for clients in the industries of financial, dental, and healthcare services.
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- $10,000+
- 50 - 249 employees
- New York, NY
Ajath was founded in 2000 and has offices in India, Dubai, New York, and Canada. The team of 1000 works with small and midmarket business to provide them with mobile app development and UX/UI design. They focus on clients in the business, e-commerce, education, and information technology industries.
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3
- $10,000+
- 1,000 - 9,999 employees
- Sofia, Bulgaria
Founded in 1995, Coherent Solutions is a software development agency that offers web development, custom software development, and mobile app development services to their mid-market, enterprise, and small business clients in the IT, healthcare, and other industries. Their 10,000 employees are based out of offices in Minneapolis, Minn., Minsk, and Sofia.
Clients
- LifeTime Fitness
- Daikin
- WEX Health
- MTS Systems
Industries
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Coherent Solutions helped develop an application with a custom web-based UI for a machine manufacturer. The team also implemented enhancements to the app.
"They responded to our needs quickly."
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4
- $75,000+
- 250 - 999 employees
- София, Bulgaria
ScaleFocus is an IT solutions consultancy based in Sofia, Bulgaria. Founded in 2012, ScaleFocus has more than 700 employees that primarily provide a diverse client base with custom software development, big data and BI, and e-commerce solutions.
Clients
- Shutterfly
- Uniper
- Curaden
- Lufthansa Technik
Industries
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Scalefocus has been developing a SaaS platform for a maintenance, repair, and operations (MRO) solutions provider. Their goal is to continuously streamline and improve the client's customer interactions.
"They have a high degree of flexibility with extending or reducing the size of the project team when necessary."
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5
- $50,000+
- 1,000 - 9,999 employees
- Sofia, Bulgaria
From Minneapolis, Minn., MentorMate has expanded to Sweden and Bulgaria. Founded in 2001, MentorMate is a custom software development company that also has experience in strategic consulting, cloud services, and Internet of Things (IoT).
Clients
- AstraZeneca
- Cambria
- DTN
- Edmentum
Industries
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MentorMate was hired to develop iOS and Android development for a bicycle retailer. They're also tasked with helping them rebrand to complement their own infrastructure.
"Mentormate is responsive, with talented employees and a well-tuned communication and service model."
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6
- $5,000+
- 10 - 49 employees
- Sofia, Bulgaria
Founded in 2017, Lexis Solutions is located in Sofia, Bulgaria. Their team of about ten specialists provides web & mobile development and custom software development services to primarily midmarket firms and startups.
Industries
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Lexis Solutions provided market research for an automotive startup. The team focused on data scraping and analysis using Google Maps. They delivered business data collection that they helped classify.
"We were impressed by their customer-centric approach."
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- $25,000+
- 50 - 249 employees
- Sofia, Bulgaria
Appolica, a mobile app development firm, was established in 2013. The firm provides mobile app development, web development, ux/ui design, web design, and more and has a small team. The firm is located in Sofia, Bulgaria.
Industries
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Appolica developed a mobile app for a SaaS company. The app allows the client's customers to provide end users with a native app expert community experience.
"They were efficient at delivery and very good at sticking to scope."
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Featured providers
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- $10,000+
- 10 - 49 employees
- Whiteley, United Kingdom
Chimpare is a small application development firm. In Whiteley, United Kingdom; New York, New York and Markham, Canada, the firm was launched in 2012. Their services include mobile app development, web development, e-commerce development, ux/ui design, and more.
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- $10,000+
- 10 - 49 employees
- Scottsdale, AZ
Working out of Scottsdale, Ariz., Dot Com Development is a development firm that works with small and mid-market businesses. The team of about 10 employees specializes in mobile app, web, and e-commerce development. They also have experience with marketing, in particular, SEO and conversion optimization.
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8
- $25,000+
- 10 - 49 employees
- Sofia, Bulgaria
Despark is a digital agency headquartered in London with an office in Sofia, Bulgaria. Since 2007, the team of about 40 has provided expertise in web development, mobile app development and UX/UI design. Despark focuses on clients in various industries including healthcare, financial services and consumer products.
Clients
- UNIQA
- Altrix
- Ucha.se
- Evrotrust
Industries
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Despark was hired by a training and coaching consultancy to build and develop an iOS-based app. The team collaborated closely with the client in designing the features, wireframe, and UX.
"We're very impressed with their ability to understand the idea and make it better than when we arrived."
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9
- $100,000+
- 50 - 249 employees
- Sofia, Bulgaria
ITIDO is a software development company based in Sofia, Bulgaria. They were founded in 2014 and have around 20 employees. Their services include custom software development and enterprise app modernization for primarily midmarket and small businesses.
Clients
- Nokia
- Bosch
- McCann
- Vonage
Industries
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ITIDO provided Node.js and Ansible development services to a technology consulting and implementation company, focusing on improving the client's AWS app development efforts. The team also used Kubernetes.
"The team of ITIDO is remarkably responsive and capable of delivering results."
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10
- $10,000+
- 50 - 249 employees
- Sofia, Bulgaria
BGO Software is a Bulgarian software design company that has offices in Sofia, Plovdiv, and London, U.K. Established in 2008, the company employs a team of 73 who specialize in software and mobile app development.
Clients
- NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.
Industries
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BGO Software has developed a vulnerability management software solution for a cybersecurity company. The team's tasks have included third-party integrations and creating a scalable SaaS version of the product.
"They have always been very proactive and caring towards our needs."
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- $5,000+
- 50 - 249 employees
- Sofia, Bulgaria
Keep Calm Labs is an e-commerce development company located in London, United Kingdom; Genève, Switzerland and Kyiv, Ukraine. The midsize team provides e-commerce development, mobile app development, ux/ui design, web development, and more and was launched in 2015.
Industries
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Keep Calm Labs has designed and developed a mobile application for a loyalty program company. They help launch a platform for shopping merchants' discounts and build the app using React Native.
"The quality of their work is on a high level."
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- $50,000+
- 50 - 249 employees
- Sofia, Bulgaria
Melon is a software development agency that has offices in Sofia, Bulgaria and Skopje, Macedonia. Since 2003, the agency and its team of about 155 have specialized in web development and mobile app development, but also provide custom software development, app testing, and IT strategy consulting. Melon works primarily with midmarket businesses
Clients
- Coca-Cola Hellenic
- Royal Philips
- Accenture
- Skrill
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Melon helped design the website of a media company that’s based in Bulgaria. The team also implemented additional features to the site, conducted QA testing, and handled maintenance services.
"We were most impressed with their communication skills."
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- $50,000+
- 50 - 249 employees
- Sofia, Bulgaria
Established in 2003, Quanterall is a blockchain company. The agency provides blockchain, custom software development, IoT development, mobile app development, and more and has a midsize team. The agency is in Sofia, Bulgaria.
Clients
- SAP
- IOHK
- æternity
- IntraLinks
Industries
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Quanterall developed an EMV simulating system for a financial technology company. They're tasked with automating the client's EMV transactions testing by developing a testing backend system using Erlang.
"I was impressed with their motivation and professionalism."
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14
- $25,000+
- 50 - 249 employees
- Sofia, Bulgaria
Krusche & Company is a software development firm founded in 1998. Their midsize team is in München, Germany. Their services include custom software development, BI & big data consulting & SI, cloud consulting & SI, unified communications consulting & SI, and more.
Industries
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Krusche & Company built a funding platform for a municipality. They reviewed the client’s specifications and designed and developed the platform from scratch using individual programming.
“The team was very dependable, and our meetings were always productive.“
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15
- $5,000+
- 10 - 49 employees
- Sofia, Bulgaria
Web Motion is a Sofia, Bulgaria-based software development firm. The small firm was founded in 2009. Their services include custom software development, web development, mobile app development, and Artificial Intelligence.Industries
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Web Motion developed a tactical and hunting equipment retailer’s WooCommerce site. They migrated 5,000 products from a legacy platform and implemented SEO improvements.
"They could work independently and had a problem-solving approach."
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16
- $25,000+
- 10 - 49 employees
- Sofia, Bulgaria
App Streams Ltd is a web development firm. Headquartered in Sofia, Bulgaria, their small team focuses on web development, mobile app development, application testing, ux/ui design, and more. The company was launched in 2018.
Industries
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App Streams Ltd developed an e-bike fleet management system for a manufacturing company. This involved the development of a web-based backend system and mobile apps.
"We liked the culture fit and professionalism of their employees."
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17
- $5,000+
- 10 - 49 employees
- Sofia, Bulgaria
Afterlogic.works is a full-stack web development agency headquartered in Taganrog, Russia, with a satellite office in Newark Del. Founded in 2002, Afterlogic and their nearly 20 employees primarily offer web development services, but they also provide mobile app development, UX/UI design, and graphic design help.
Clients
- Mavenir
- Netvision
- Netcore
- Medicity
Industries
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Afterlogic.Works provides ongoing email service platform development for a cloud hosting company. This has involved creating different software components and applications to cater to the client's needs.
''Their expertise in different Internet technologies is impressive.''
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18
- $10,000+
- 10 - 49 employees
- Sofia, Bulgaria
Founded in 2014, Futurist Labs is a headquartered in Silicon Beach and Silicon Valley, Calif. with an international office in Bulgaria. The development agency of 10+ teammates has expertise in custom software development, mobile app development, and web development. The team serves clients across a range of industries from has consumer products and IT to advertising.
Clients
- L'Oreal
- Founder Institute
- CODE Hospitality
- RunBuk
Industries
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A financial resource firm hired Futurist Labs to build a mobile app. The MVP is in closed beta and features onboarding, processing, and educational capabilities. The team is still working on some development.
"We’re going to continue to use Futurist Labs for our development needs in the future."
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19
- $10,000+
- 10 - 49 employees
- Sofia, Bulgaria
Perspective Web Ltd. is a digital design agency that was founded in 2014 and is based in Sofia, Bulgaria. They comprise three employees who offer a range of UX and UI design, mobile app development and custom software development services. They provide market research, visual designs and CMS services for a range of large businesses.
Clients
- AT&T
- Generali
- Royal IHC
- EASPD and many others.
Industries
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A valet service company hired Perspective Unity Ltd. to provide web development. They created the site from scratch and added reservation and customer management functionalities.
''There wasn't anything impossible for them to do.''
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20
- $25,000+
- 2 - 9 employees
- Sofia, Bulgaria
Softaware Ltd. Is a website development company headquartered in Sofia, Bulgaria. The small agency was launched in 2021. Their team specializes in web development, mobile app development, and blockchain.Industries
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Softaware Ltd. provides iOs and Android app development services for an educational platform. Collaboratively, they set up the project scope including design, chat feature, and the overall development process.
"Softaware Ltd. feels like an extension of us, rather than a third-party vendor."
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21
- $10,000+
- 10 - 49 employees
- Sofia, Bulgaria
MTR Design, established in 2005, is a web development firm based in Sofia, Bulgaria. It has about 15 employees. MTR design specializes in web development, but also provides artificial intelligence, web design, and custom software design.
Clients
- Pfizer
- ExxonMobil
- Channel 4
- Danone
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Building from a previous vendor’s work, MTR used PHP to develop the frontend and backend of a website aimed at gathering and analyzing user feedback. Design work and site maintenance rounded out the engagement.
"The software hasn't needed constant readjusting, so it’s been a very satisfactory experience."
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22
- $5,000+
- 2 - 9 employees
- Sofia, Bulgaria
EditCreation is a software company founded in 2011 with fewer than 10 experts. Based in Sofia, Bulgaria, they offer custom software, web, and mobile app development solutions for small and mid-market firms in the fields of arts, gambling, and other industries.
Clients
- Jamadvice
- Urbo
- Kamax
- Jottum
Industries
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EditCreation designed and developed an automated system for invoicing and reporting. This involved meeting local government requirements for accounting purposes.
"The great communication from the team was key to the success of this project."
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23
- $5,000+
- 10 - 49 employees
- Sofia, Bulgaria
Founded in 1998, Nevron Software provides expert services in big data consulting, web development, and custom software development. The team of over 10 specialists works out of offices in Wilmington, DE, and Bulgaria. The agency supports notable clients across major industries such as government, business services, and information technology.
Industries
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Nevron Software provided a chart control solution to display biotechnology test results. Later, the team supplied example code and external support for the software.
"Nevron was...able to transform the data the way I wanted."
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24
- $10,000+
- 10 - 49 employees
- Sofia, Bulgaria
Donatix is a development company headquartered in Sofia, Bulgaria and founded in 2015. The agency has another location in London, in the UK. Donatix's team of about 10 employees specializes in web design, but also provides mobile app development. Many of Donatix's clients are small businesses.
Clients
- Bayer
- Nivea
- Innovative Securities
- Methodia
Industries
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Donatix developed an internal iOS sales application to facilitate distributor promotions and send orders. It features a web backend for maintaining promotional information and a reporting section for analytics.
“Donatix’s approach was, in large part, why we managed to finish the project on time and have a successful launch.”
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25
- $10,000+
- 10 - 49 employees
- Sofia, Bulgaria
Eden Tech Labs is a digital product development company based in Sofia, Bulgaria. The company, founded in 2016, has a team of around ten that provides mobile app development, web development, UX/UI design, custom software development, AR/VR development, AI, and application management & support services. Eden Tech Labs serves small and larger-sized companies and institutions in the business services, consumer products & services, education, IT, and retail industries.
Clients
- PlantSnap
- Athlon
- Imagga
- Totum.fit
Industries
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Eden Tech Labs was hired by an engineering company to update their mobile application. They deployed two skilled resources who helped with debugging and updating the app within a short timeline.
"Their ease of communication helped them understand our needs with few words only."
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26
- $10,000+
- 10 - 49 employees
- Sofia, Bulgaria
Kvaba Interactive is a software agency founded in 2015 in Sofia, Bulgaria. Their team of no more than 50 specializes in web, custom software, and AR/VR development solutions for clients in the industries of advertising, gaming, and arts.
Clients
- Volkswagen
- Coca-Cola
- Fanta
- Viber
Industries
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Kvaba Interactive has helped the client produce interactive activations that use AR/VR technology. In one project, they developed a mobile app that corresponds to a large advent calendar set up at a mall.
“We’re always looking to create amazing, innovative technology, and we feel that we’ve found a great partner.”
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27
- $5,000+
- 250 - 999 employees
- Sofia, Bulgaria
Launched in 1999, Stanga1 is a custom software development firm. Their midsize team is based in Sofia, Bulgaria; New York, New York and Rosh Haayin, Israel. Their team offers custom software development, mobile app development, web development, e-commerce development, and more.
Clients
- limehome
- Medix
- Imperva
- Teva Pharmaceutical Industries
Industries
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Stanga1 produced an interactive video for an online medical training company. The goal was to show technical executions and the company's reliability in offering medical training online.
"They were reactive, accurate, and trustworthy."
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28
- $5,000+
- 2 - 9 employees
- Sofia, Bulgaria
MyApp.BG is a computer software company located in Sofia, Bulgaria. They were founded in 2019 and employ between 2 and nine staff. MyApp.BG specializes in Android and iOS mobile application development, and offers consulting services for Google Play and the AppStore.
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MyApp.BG created a mobile application for a health and wellness company, designing and developing the new app from the ground up. They were responsive and communicative throughout the entire project. They delivered an excellent product, fully realizing the idea outlined to them and ensuring it was high quality, resulting in the sale of the app after its completion.
“They created my application from scratch, fully designing and developing it. I sold the app and made good money, so I’m very happy with their work. I had the idea for the application, and they helped me to fully realize it.” – Former Owner, Health and Wellness Company
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29
- $10,000+
- 2 - 9 employees
- Sofia, Bulgaria
Evermore is a development company headquartered in Brussels, with other offices in London, Budapest, and Belgium. Since 2006, the agency and their current team of 10 have specialized in web design and development, custom software development, and UX/UI design. Evermore works primarily with small businesses.
Clients
- World Jewish Congress
- European Parliament
- The Civil Liberties Union for Europe
- Euronews
Industries
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Evermore provided front- and backend development for a CMS. They moved data and editorial content from Microsoft to AWS. They helped with design, branding, and responsive web development.
"We will keep on working with them even after the successful completion of our mutual project."
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30
- $25,000+
- 10 - 49 employees
- Sofia, Bulgaria
Infoleven is a web and app development company founded in 2015. Based in Sofia, Bulgaria and Munich Germany, they have a team of around 30 employees. Their services mainly focus on custom software development, web development, and ERP consulting & SI.
Clients
- Hubert Burda Media
- Auto 1 Group
- United Digital Group
- Calvendo
Industries
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Infoleven developed the firm's app prototype. The platform helped users in areas such as career choice and candidate selection. Further, interactive games were also created to check one's personal competencies.
"We will be happy to work again with Infoleven in the future."
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