Top 70 Mobile App Developers in Zagreb

Five paired with a prominent language app to revamp their mobile user experience, from back to frontend. Thanks to the team’s customer-centric design approach, mobile downloads have more than doubled since the app’s relaunch. Five also delivered their work ahead of schedule and under budget, surpassing all expectations.

"They’re a lot more than a vendor; Five truly is a partner." – Head of Consumer Division, Language App

A lifestyle product company partnered with DECODE to build and design an app that helped users track vitamins and minerals using a a hardware pen. They provided the client with software engineering capabilities and the company received over 1,000 downloads in the first week. 

“Of course, they delivered the project, but what’s also important is the relationship with us and the way they work. Their communication was highly responsive, they were proactive and had that youthful zeal. I don’t know how they did it, but the whole time we were working together, we felt like we were their only client!” – CEO, Lifestyle Product Startup

Undabot developed a mobile application for their advertising client. The team developed both iOS and Android apps, which received positive internal feedback.

"We found their workflow highly efficient." –Project Leader, Advertising Company

Infinum rebuilt a flight booking app for a startup. The original app was extremely buggy and the company needed further support. One feature Infinum developed allowed customers to sync their calendars to find flights that work around their schedule.

“While many agencies limit your choices, it was quite different with Infinum. They were clear and upfront about what resources we were getting and why and offered us options, which was really nice.” – Senior Project Manager, App Startup

AG04 provided resources to a continuous delivery software firm to help develop software products, including a software deployment tool. With their expertise in Java, Scala, React, and Angular, they quickly became integral contributors in multiple product lines.

"They have a lot of domain knowledge and can solve really difficult customer issues." — VP of Product Development, Continuous Delivery Software Firm

A digital design firm hired Codable Studio to develop an app based on their design. The app allows users to track their diet and meal plans, create or generate shopping lists, and connect with nutritionists.

"They are accessible, open to all of our questions, and always willing to learn and push on."

GRAFING d.o.o.developed an Ionic-based mobile application for a vehicle auction platform from scratch. They also built an iOS and Android version of the app.

"They got the job done at a budget-friendly price."

Azikus collaborated with a web-based startup to develop a core mobile app asset using Firebase and Swift. Their development expertise enabled them to provide helpful suggestions in addition to reliable programming services.

"Everyone was happy with their work and communication skills." — CEO, Web-Based Startup

Clover Studio developed a mobile app for a large music festival. The app mapped out the festival layout, using geolocation and AR features to highlight attractions. Since its launch, the received enthusiastic feedback from end-users from across the globe. Clover Studio's success led to subsequent projects with the client.

"The app had really great reviews. The best indicator is that the festival guys kept the app for quite a few years after that."- Partner, Large Music Festival 

Q agency worked with an online boat rental platform. They provided developmental assistance for multiple projects. They revamped an inflexible CMS and created an updated account management system from scratch, and are currently adding features to it. After the project was completed, the client integrated it immediately and saw an increase in conversions.

"From our first interaction, Q agency was quick to build a good relationship with us through their fast communication. Their team follows up on every email. They are prompt and professional with every task, and they are accommodating to our needs." – CTO & Co-Founder, Boat Rental Platform 

A software development agency hired Firefly to develop a mobile app. They were responsible for developing the UI for Android and iOS, implementing additional features, and improving the app's stability. 

"Their responsiveness and ownership of responsibilities were impressive."

Kod Biro recently worked on app development for a marine hazard reporting company. They created a multilingual mobile app for that client which allows boaters to communicate with harbormasters.

“Applications have very good grades, and positive feedback. We have about 15.000 active users in this moment.” — Program Director, Marine Hazard Reporting Company.

 

CoreLine developed a website and a B2B platform that allowed users to discover network and discover new products. The site featured geolocation capabilities to link users in different countries, and they password-protected the platform. Thanks to their technical ability, they've vastly improved the site's processing speed and almost doubled the traffic capacity.

"They really understand what I am trying to achieve and translate our requirements into an architecture that works." — Managing Director, Global Market Network 

Daxima worked with a financial institution to update its client management system. The system had not been updated in 2 years and all changes required consensus from a co-op. Daxima completely redeveloped the client management system, incorporating the ability to aggregate data, integrate external programs, and grow along with the business.

"They found out what our wishlists and issues were and worked closely with the people on our team." – VP of Operations, Financial Institution

Bornfight developed a web application for a healthcare company. They developed, designed, and configured the application, which the company would use as an organizational tool for conferences. The app was launched in time for the conference and was a success, outperforming the organizational process from previous years.

“The project management was extremely collaborative, helpful, and responsive.” – Sr. Brand Manager, Healthcare Company

Ars Futura recently worked on software development for an IoT company. They developed a staff augmentation product  for that client.

“They give us a lot of attention. Once we brought Ars Futura on, things improved during the early stages.” — CEO, IoT Company

 

Cinnamon Agency completed the development of a complex driver safety app for Android. Once synced to the vehicle, the app could read aloud text messages and emails via Bluetooth. It currently boasts a high net promoter score and over 55,000 downloads.

"I don’t know how big Cinnamon is as a company, but they give the impression of being a smaller team that’s focused on customers." — CEO, Driver Safety App Company

Async Labs developed a website for a financial services company. They used blockchain technology to develop a website, including creating a frontend exchange functionality. Stakeholders are happy with the team's work, and they plan to use the vendor for future development services.

"Our collaboration has been perfect. Expectations have been clear. They’ve reported on every project development, which has provided our team with detailed knowledge of their efforts..." – CEO, Financial Services Company

9Y developed a custom app solution for a luxury leather care company. 9Y was hired to improve the overall digital experience of the company’s customers. The company was satisfied with 9Y’s results.

“Very professional.” - Director of Operations, Luxury Leather Care Company

Machinery developed an iOS app that mirrored a web-based collaboration platform. The app helped users take notes, share documents, and create agendas. In addition to developing the app, Machinery conducted QA tests for both the app and the web platform. Users praised the app for its stability and UX/UI design.

"They work well together and seamlessly integrated with the rest of my team." — Founder, Collaborative Work Platform Company

Speck recently worked on web and mobile app development for an education platform. They improved currency and scalability of an existing platform and created a multi-faceted web and mobile app for that client.

“Since hiring Speck, our user base has doubled, and we have expanded our business to two new additional states. ” — Co-Founder, Education Platform

 

ABC Tech Group partnered with a financial startup to perform platform development for their financial advisory platform. They successfully created the application and after its launch, they were able to identify the necessary adjustments to make for users.

"When working with ABC Tech Group, clients can immediately see their skills and expertise. The project manager and other top management officials know a lot of Syntex and financial services. That was our key reasoning for working with their team." ––

Zero Molecule developed a mobile app for a BPO agency. The agency wanted to revise their app and further develop it in a short timeframe. The app was published on schedule and had no issues with Google or Apple.

“We were extremely satisfied with the cooperation.” - Project Manager, BPO Agency

Keeper Solutions developed a web and mobile solution for an emerging banking platform. The platform was looking to outsource an affordable development team for their projects. Keeper Solutions helps implement various features for the platform on a monthly basis.

“They make sure we have the resources we need, and they're very easygoing and friendly.” - CEO, Emerging Banking Platform

Bebabit developed an e-commerce website for a rural development company. The company was looking to establish an e-commerce platform for their business. The company is impressed with the results.

“The team helped us out in avoiding some of the post problems.” - CEO, Rural Development Company

Iconis Agency partnered with a baking company to develop a website that would increase brand awareness and sales. The firm conducted customer interviews and a brand evaluation in order to best position their efforts before developing the site with user-friendliness as a top priority. The website features product images and brand colors in order to connect brand themes to site content and is compatible with both mobile devices and tablets. 

Nepted collaborated with a public relations agency to update their website. They provided the company with a fresh modernization of the client’s image on their site. The client received positive feedback for their brand evolution from stakeholders.

”Nepted proved to be efficient and creative. They stay up to date with the latest digital trends and software solutions, and they keep the best interests of your business in mind.” — CEO, PR Agency 

Digihey built a website for an event-based startup to generate leads and promote brand awareness. The team created the designs, led the development, and helped launch the site. Digihey's new site helped attract new prospective customers and boosted the client's brand.

"The site increased our number of qualified marketing leads, and its brand marketing was well received by everyone involved."-Former Head of Product Development, Event-based startup 

A nonprofit approached 3topia to develop a mobile app for iOS and Android that linked to an internal CRM. The app enabled users to follow current events, make donations, and connect with other people. Within 6 months of its launch, the app helped raise over $500,000, generating a lot of enthusiasm and interest.

"They were extremely understanding, but also aggressive in a helpful way." — Product Owner, Nonprofit 

Upheave technologies provided staff augmentation for a Saas company. The team brought in experts to work with React.js technology and designed the front-and backend of an iOS and Android app, including the UI.

"The Upheave team was very skilled and easy-going."