Looking 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. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Sofia Mobile App Development Companies

  • 1
    $5,000+
    250 - 999 Employees
    Sofia Bulgaria

    ERP consulting and SI company Folio3 is located in Belmont, California; Pleasanton, California; North Sydney, Australia and Dubai, United Arab Emirates. Established in 2005, the midsize team focuses on ERP consulting and SI, mobile app development, web development, custom software development, and more.

    Industries
    Notable Project

    Folio3 helped a kitchen and bath company rebuild the connectors between their website and their NetSuite environment. They have added a greater level of Shopify and Amazon-related functionality to the site.

    "Their experience with NetSuite, Shopify, and Amazon was exactly what we were looking for."

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  • 2
    $25,000+
    2 - 9 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
    Industries
    Notable Project

    Qualifast developed a mobile solution for a transportation app platform. The app was built to implement an IT solution for the platform. The tool has since then become the platform’s flagship app.

    “Now we have paying customers, which is the easiest to measure impact.” - Co-Founder, Transportation App

  • 3
    $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
    TimeHeroes
    Bookatable
    NIF
    Telenor
    Notable Project

    Melon provided software development for a mobile gaming platform. The client was extremely pleased with Melon's communication and project management.

    "They [Melon] have developed a countless number of features on the platform, and I have been mostly satisfied with their work." - Founder, Mobile Gaming Platform

  • 4
    $50,000+
    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
    Industries
    Notable Project

    Coherent Solutions recently worked on development for an HVAC company. They created an integrated software that stored data for analytics purposes for that client.

    “They delivered exactly what we needed. I was really satisfied with our working partnership with Coherent Solutions.” — Former VP of Systems & Controls, HVAC Company

     

  • 5
    $10,000+
    50 - 249 Employees
    Sofia Bulgaria

    Upnetix JSC is a development agency based in Bulgaria. Since 2015, Upnetix JSC's team of over 90 specialize in custom software development, mobile app development, e-commerce development and web development. 

    Clients
    ALBtelecom
    Notebooksbilliger
    STC
    National Lottery
    Notable Project

    A telecommunications company hired Upnetix JSC to develop mobile applications for Android and iOS. After being given the wireframes, Upnetix JSC implements the design on the apps. The project with the client is ongoing.

    "Upnetix JSC finds unique solutions to solve any problems we’re facing. I’m happy with their work." - CEO, Telecommunications Company

  • 6
    $50,000+
    250 - 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
    Thomson Reuters
    NASA
    Industries
    Notable Project

    MentorMate handled custom software development and QA for an online education company. They integrated with the client's existing sprint teams and are fully versed in its dev workflow. The client is impressed with their standards of work and technical abilities. 

    "They’re technically proficient, creative, and able to work both independently and on teams. We would hire any of them on a permanent capacity based on their skill level." – VP of Development Resources, Online Education Company

  • 7
    $10,000+
    10 - 49 Employees
    Sofia Bulgaria

    Dtail Studio is a digital design studio based in Varna Center, Bulgaria. Founded in 2012, Dtail Studio's team of 10+ employees offers UX/UI design, web design, and logo capabilities to a host of different clients in various industries.

    Clients
    Genesis Markets
    Nurt
    Liquid Pro
    Networx
    Industries
    Notable Project

    Dtail Studio worked with a mileage tracker app to design both the web application and the mobile one. Dtail Studio performed the wireframing, customized isometric illustrations, and general design for all of the pages. The studio also made sure to present the client with automatic mileage tracking, so as to set the mobile app apart from its competitors.

     

  • 8
    $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
    GoBox
    Bayer
    Reloyalty
    Help Credit
    Industries
    Notable Project

    A startup hired Donatix to develop a website and mobile app that would give customers passes to sports facilities and classes. The client felt that Donatix was collaborative and creative. 

    "Donatix was capable of delivering on all fronts of creating the web platform functionalities, as well as the mobile app... Overwhelmingly, the testers like the platform and its functionalities." - Co-Founder, Sports Booking Startup

  • 9
    $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.

    Notable Project

    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
     

  • 10
    $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
    Vodafone
    StepJockey
    PostBank
    Vercida
    Industries
    Notable Project

    Despark worked with an e-learning company. The client and Despark formed a business model before creating the UX/UI design for its new platform. Despark will execute the mobile application together with them in the future. 

    "They [Despark] delivered what they promised and what we thought would be best practices. They helped us create a nicer format than we’d imagined." - CEO, E-Learning Platform

  • 11
    $25,000+
    50 - 249 Employees
    Sofia Bulgaria

    Droxic is a digital production company that was founded in 2012. Located in Sofia, Bulgaria, Droxic has about 40 employees that serve mostly small and midmarket businesses. Services include web development, custom software development, and mobile app development.

    Clients
    Oliver
    Exposure
    AKQA
    Ratio
    Notable Project

    Droxic provided UX design for a heating system application. They made the solution more creative and engaging. Droxic's work was reliable and generated positive feedback. 

    "Nothing is perfect, but Droxic always embraced and executed our feedback." – Head of Digital Products, Heating System Manufacturer 

  • 12
    $10,000+
    2 - 9 Employees
    Sofia Bulgaria

    Dision is a mobile app development firm located in both Walnut Creek, California and Sofia, Bulgaria. Dision was founded in 2015 and has fewer than 10 employees. The company offers mobile app development as well as UI/UX design and IoT development within the business, IT, and healthcare industries.

    Clients
    Shutterstock
    Wind Tracker
    Little Lives
    Easy Credit
    Industries
    Notable Project

    An educational charity engaged Dision to develop the Android version of their app. They included new features such as push notifications, which automatically sends updates to parents about their children. After successfully completing the project, the former client expanded their role to other app development projects. In total, the apps boast over 100,000 users across Singapore, Malaysia, and Vietnam.

    "They performed fairly well and they always deliver on time. " - Technical Lead, Educational Charity 

  • 13
    $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.

    Clients
    Dell
    LG
    Cisco
    MetLife
    Industries
    Notable Project

    Nevron Software provided development and design services for a consultancy firm. They spearheaded the majority of management and tasks for a special interest project. Throughout the engagement, both party experienced virtually zero complications. The client firm was impressed with Nevron's code, reliability, as they went above and beyond and continue to provide excellent ongoing support.

    "The quality of Nevron Software's work is leaps and bounds above everything else I’ve come across." –Independent Consultant, Consultancy Firm

  • 14
    $5,000+
    2 - 9 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. 

    Clients
    OnnoPlus
    Mindance
    Kreston Bulmar
    Meet.Direct
    Industries
    Notable Project

    A custom software solutions provider hired Lexis Solutions to assist in developing a software application for customer feedback and sentiment analysis.

    "The Lexis Solutions team quickly integrated themselves into the routine and rhythm of the company, allowing them all to work as a single unit on the project. The team was always available when the company needed them and worked hard to ensure all deadlines were met."

  • 15
    $1,000+
    10 - 49 Employees
    Sofia Bulgaria

    MaxSoft is an IT firm based in Sofia, Bulgaria. Founded in 1991, MaxSoft has a team of 43 that offers web, custom software, and mobile app development. They primarily work with companies in the strata management, education, and general payment industries.

    Clients
    Secura Insurance
    Capitol Insurance
    Developing Software Innovations
    Accident Fund
    Notable Project

    A software firm hired MaxSoft to integrate a payment solution for a third-party client that connected an ERP system to an online store. The team created a complex platform that linked the store to customers' wallets. This allowed users to review transactions and recharge their accounts. The software firm applauded MaxSoft's exceptional project management and technical experience.

    "They are a professional company. They have 20 years of experience in IT solutions management, development, design, and consultation." - Project Manager, Software Firm

  • 16
    $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
    CareerCake
    Ramp
    Recmnd
    Newlyn School of Art
    Notable Project

    An American online marketing firm hired MTR design to develop a new digital advertising platform. The client was satisfied with MTR's communication efforts and project management skills.

    "The platform MTR helped us develop is currently being used by thousands of websites and has attracted top Fortune 500 companies. We have more than 6 million clicks a day and are now also entering the mobile app world." - Director of Business Development, US Marketing Firm

  • 17
    $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
    Melita Ltd.
    Industries
    Notable Project

    Infoleven created an Android and iOS app, along with an admin panel and an API. They integrated user feedback into the platform and used Swift, Native, and Java for the work. Their ability to implement changes has been crucial for the success of the platform. 

    "They are very dedicated to the project — they are not only doing the technical feature development, but they give us useful ideas and a different point of view." – CEO, Gaming App Platform

  • 18
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria

    Camplight is a digital cooperative that was established in 2012. Headquartered in Sofia, Bulgaria, the team of about 15 employees does custom software development, web development, mobile app development, business consulting, and web design. They primarily work with small businesses in the business services and consumer products and services industries.

    Clients
    Survey.bg
    SiftWisdom
    UReport
    despark
    Industries
    Notable Project

    Camplight worked with a digital consultancy to develop a parking spot reservation application plus two React Native apps for one of their clients. They developed the full-stack application using JavaScript on the backend and React on the frontend, while also integrating a GraphQL API. The app satisfied the end-client’s requirements and was able to scale to millions of users.

    “The project is a huge success for our company as our client received exactly the app they were expecting and it is able to scale to millions of users and interactions as per the project requirements.” – Project Manager and Consultant, Digital Agency

  • 19
    $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
    Aura FX
    Unimasters Logistics
    Health Research Authority
    The Respons Group
    Industries
    Notable Project

    BGO Software partnered with a health organization to build a new web-based platform using Microsoft Stack. The platform was a management system that allowed users to track their workflow. After developing the platform, the team integrated it with the client's internal SQL server. The former client was impressed with the team's flexibility and professionalism.

    "BGO have always delivered admirable flexibility, where it is almost like a partnership, and their need to succeed is as great as ours." - Manager, Health Organization

  • 20
    $5,000+
    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
    Decathlon
    Amuse Bouche
    Colibra
    Aeropark
    Notable Project

    Perspective Web Ltd. designed and developed a 3D-animated, teamwork building game for a shipbuilding company. They built the solution with PHP and HTML5 and introduced rapid screen-refresh technology. Users lauded the game’s design and were impressed with its technical sophistication.

    “Their level of comprehension is incredible. They dove deep into our problem and uncovered exactly what we wanted to get out of the game. Based on surveys we put out after people played the first version of the game, they loved its design and thought it was quite professional.” – Project Manager, Shipbuilding Company

  • 21
    $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
    Lund University
    NGO
    Livecasts
    Industries
    Notable Project

    Evermore developed a website on Ruby on Rails for an international political organization. Along with development, they provided website design and branding services. The new site saw a significant increase in web traffic. The former client commended Evermore on their constant communication throughout the process.

    "They were exceptional project managers and were even more organized than we were."- CTO, International Political Organization

  • 22
    $5,000+
    2 - 9 Employees
    Blagoevgrad Bulgaria

    Code Plus Ltd. is a .NET development agency located in Blagoevgrad, Bulgaria. Founded in 2015, they have four employees specializing in web and mobile app solutions, custom software development and digital marketing. They work for various global businesses, particularly in the consumer products and hospitality industries.

    Clients
    VetPartners Ltd
    Denta Clinik
    Lidia Tours
    Industries
    Notable Project

    Code Plus Ltd. built an ASP.NET- and AngularJS-driven web portal for a housekeeping service to process customer payments and organize internal workflow. Their professionalism and communicative approach helped them deliver a top-notch solution on time. The system Code Plus Ltd. developed improved productivity and decreased the required staff size significantly.

    “Code Plus’ system increased the speed of our daily operations, decreased our total staff by 30 percent, and improved our level of client satisfaction through a more transparent and accessible payment process. We were impressed by their drive to deliver a top-quality product.” – CEO, Housekeeping Service

  • 23
    $50,000+
    10 - 49 Employees
    Sofia Bulgaria

    Devision is a development outsourcing firm based in Sofia, Bulgaria with an office in Ukraine. Established in 2007, Devision has just under 60 employees and provides a wide range of development services based on a comprehensive technology stack. They offer development of custom software, web applications, and Android and iOS mobile apps to mid-market and enterprise clients in the business services, IT, and telecommunications sectors. 

    Clients
    COPYBOOK
    Bayer
    Allianz
    3B Nexus
    Industries
    Notable Project

    Devision provided web development and data migration help for a global, B2B sales network. The client had their main site for nearly 20 years, and did not direct clients to it, instead relying on nine smaller, industry-specific sites. Devision reimagined the flagship site and provided a new platform based on updated design sensibilities and web protocols, and integrated the data architecture for the separate sites into one hosting solution.

    "When Devision tells me that they can achieve something, I have complete confidence that they can in fact do it." - Managing Director, Global Business Network

  • 24
    $5,000+
    50 - 249 Employees
    Sofia Bulgaria

    UkrInSofT is a software and cybersecurity company based in Lviv, Ukraine, that was established in 2006.  Their team of 35 employees provides web development, cybersecurity, custom software development, and e-commerce development services.

    Clients
    Espalier
    GrandMinds
    Praxmarer
    Active World
    Industries
    Notable Project

    UkrInSofT developed a desktop app for a utility billing service provider to optimize their billing process. They configured the app with features that track water and electric usage, calculates utility costs, and splits the bill equally between the tenants. The app grew brand awareness, business sales, and leads.

    "Our clients are so impressed by the app’s accuracy and efficiency that they’re referring their colleagues to our services." – Owner and CEO, Utility Billing Service Provider

  • 25
    $5,000+
    2 - 9 Employees
    Sofia Bulgaria

    Bulcode is a computer software company based in Sofia, Bulgari. Founded in 2016, they employ nine staff who provide a full suite of Drupal services for small and large companies. These services include website development, digital consulting, and support with security and hosting.

    Clients
    Elvada
    Switch Productions
    Nysteia
    Industries
    Notable Project

    Bulcode built an interactive instruction environment to support a digital learning CMS for an internet company. They created an intuitive, feature-rich UX and UI, and conducted user-tracking analytics and provided server management. Thanks to Bulcode’s reliable designs, the system clearly conveyed specialized content and received a positive reception from initial users.

    “They did an outstanding job. They provided quick and professional descriptions and prepared written summaries of what we’d agreed before executing. Each of the intended outcomes was delivered quickly.” – Lead Designer, Internet Company

  • 26
    $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
    Vanilla
    Industries
    Notable Project

    A product design and branding company hired Eden Tech Labs to provide development services in projects for their clients. In one project, they used Swift and Kotlin to help develop a native app for iOS and Android. Eden Tech Labs has met the company's expectations with the work that they did for the projects they completed together. 

    "The team put in a lot of effort, spending more time than what we initially agreed upon. Eden Tech Labs is there as a partner to deliver any product." - Operations Director, Product Design and Branding Company

  • 27
    $5,000+
    10 - 49 Employees
    София Bulgaria

    LimeChain is a blockchain consulting and development company in Sofia, Bulgaria. Founded in 2017, they have 30+ employees experienced to develop and implement blockchain and DLT technologies. Their main focus is providing end-to-end blockchain services for corporations and startups. Their services include blockchain consulting, design and ideation, prototyping, agile approach to creating a minimum viable project, scaling of the solution for production, and ongoing support for the solution for public and private blockchain projects. 

    Clients
    Arxum
    Propy
    Idoneus
    PnG
    Notable Project

    Limechain developed a blockchain model for a research startup to economize their client’s scientific processes. Limechain provided business logic and methodology for the development of an ICO. Their expertise helped upgrade a contract for the client.

    “They’re knowledgeable and have solved significant problems in the blockchain community. For example, LimeChain upgraded a contract we wanted to deploy and made it reversible.” ­– Head of Development, Research Startup

  • 28
    $1,000+
    50 - 249 Employees
    Sofia Bulgaria

    W3Industry is a software development company founded in 2006 with a team of over 50 experts. Based in Kragujevac, Serbia, they offer their expertise in custom software and web development, as well as web design. They work with small businesses, mid-market firms, and enterprises alike.

    Clients
    Clinical Trial Bay
    Medical Clinic Jokovic
    Mo Lin Tidus Monk LLC
    Notable Project

    W3Industry developed a website for an English language school. The school needed a website for their platform, and W3Industry not only built it but also maintained the site. There have been more inquiries and positive feedback as a result of the site.

    “Very effective. The information exchanges has been running smoothly.” - School Head, English Language School
     

  • 29
    $10,000+
    10 - 49 Employees
    Sofia Bulgaria

    Resolute Software is a software engineering and consulting company located in Lawrenceville, Ga. Founded in 2019, they currently have about 18 employees. They provide custom software development, IT strategy consulting, and cloud consulting and Si services to primarily midmarket firms and enterprises.

    Clients
    CODY Systems
    Industries
    Notable Project

    Resolute Software designed and developed a website for a managed cybersecurity services company. Following brand guidelines, they built the platform to present the client's services more clearly. The platform not only made the client's services more accessible to a wider audience but also positively impacted sales. 

    "Our deadlines were met and our vision truly manifested onto our new website." —VP of Business Development, Managed Cybersecurity Services Company

  • 30
    $5,000+
    10 - 49 Employees
    Blagoevgrad Bulgaria

    Founded in 2009, Miracle Mill GmbH is a software development agency that offers cloud consulting, SI, mobile app development, and web development services to their small business and mid-market clients in the gaming, arts and entertainment, and business services industries. Their 16 employees are based out of offices in Baar, Switzerland, Blagoevgrad, Bulgaria, and Skopje, Macedonia.

    Clients
    Fleet Trading
    Re-board Technology
    Funtoad, Inc.
    Industries
    Notable Project

    Miracle Mill GmbH recently worked on platform development for an auto sales company. They deve;p[ed B2B strategies that matched buyers with dealerships for the client.

    “When we launched this platform, our company became more professional and reputable in our sector.” — CEO, Auto Sales Company

     

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NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

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