Felgo App Development

We can build your app for mobile, desktop, embedded and web!

A service used by:

Top Quality Development

We are specialized in fast and high quality mobile, desktop, embedded and web app development with 10+ years of experience. We helped our customers to bring their vision to life and deliver successful apps.

Our cutting-edge mobile app development services are designed to meet your specific business needs and budget requirements.


"Felgo developed mobile service portals and apps for T-Mobile which were nominated for service awards for best customer satisfaction."

-- Martin Christoph, Product & Terminal Management, T-Mobile

From Idea to App Store

There is much more to an application than just the development process. We provide services for mobile apps from the idea to a successful app in mobile app stores.

We can support you with any step along the application lifecycle, from initial planning and evaluation to maintainence and support of published apps.

We are your partner to develop and sustain successful apps.

New app ideas and products (Mobile, Desktop, Web, Embedded & IoT)
Adding new features or fixing bugs of existing apps (maintenance)
Integration of Third-Party Services & Frameworks
Augmented reality (AR) and multimedia content
Advanced hardware & sensor integrations
Integration into business processes & Software (SAP)

App Development

Our experienced team uses the latest mobile and cross-platform technologies to develop beautiful and performant apps.

Working with Felgo ensures that your app can run on iOS, Android, on Desktop systems, web browsers and on embedded systems like the i.MX6 platform or Raspberry Pi & Arduino.

With our established development approach, we plan ahead to be prepared for upcoming OS updates and new platforms like smart TVs or IoT devices.

App Consulting

Felgo offers app consulting for any size of a project. We are experts for creating mobile software and share this knowledge with you. This helps you cut the risk of your choice of technology and accelerates your internal development process.

Our knowledge continues beyond mobile apps and covers a wide variety of platforms, tools, programming languages, software stacks, and coding standards.

  1. Research: Technology evaluation for your project
  2. Porting: Bring existing apps from one platform to others (e.g. Android to iOS)
  3. Cross-Platform: Port existing projects to cross-platform projects
  4. Software Testing: Find and fix bugs or performance issues in your existing projects
  5. QA: Code improvements & code reviews of your existing app
  6. Optimization: How to use Analytics to improve your app
  7. Development: Support your existing team with mobile app development services

App Trainings & Workshops

Felgo offers tailored trainings & workshops based on your requirements and level of experience, so you get the most value and a customized experience instead of generic training courses. We offer one-to-one remote sessions via screen-sharing or entire team training on your own site. This allows you to attend trainings online or in your company.


Gamification & Game Development

Gamification is the application of game principles in non-game contexts to improve user engagement, retention, productivity, ROI and ease of use.

As the creator of well-known Felgo SDK (former V-Play Engine), we have our root in gaming. We offer our knowledge in workshops to make your app more appealing and create higher usage and retention.


This includes:

  • How to bring gamification to your app or game
  • How to monetize your app with in-app purchases and gamification
  • How to increase usage and user retention within your app
  • Integration of gamification elements like leaderboards, achievements, virtual goods or challenges
  • Definition of virtual economy, virtual currency model and balancing
  • Ready to use system with Felgo Game Network

What our Customers Say


"We wanted to make a really good product - no compromises on quality due to time constraints. This is why we went for a supplier like Felgo. It was just a seamless way of working together."

Noir Lumière

"We chose Felgo because of its high level of Qt expertise. Their professional services team helped us to introduce new features and solve problems fast and efficiently."


"I really had a good feeling about the team already just from working with the Felgo SDK. The working relationship was easy, excellent results, great team.

Felgo really stepped up to the plate and honored my faith."

Let Us Build Your Next App!

Experience & Industries

Felgo has its headquarters in Vienna (Wien), Austria and ranks among the leading app agencies in Europe.

Besides working on app development projects, Felgo offers the well-known Felgo SDK, a cross-platform app & game development framework that cuts development time and costs.

Felgo is a development company with over 15 years of experience in building applications for companies in these industries:

  • Industrial
  • Telecommunications
  • Medical & Life Science
  • Automotive
  • Transport
  • Retail
  • Finance
  • Insurance
  • Entertainment
  • Government


We use a wide range of technologies to realize mobile app projects. In addition to native development with Swift, Objective-C, C++, Java & Kotlin, we have a strong background on cross-platform app development with tools like React Native, Flutter, Unity or our own mobile app framework Felgo SDK.

We worked on multiple projects in these areas:

  • UI & UX Design
  • Multimedia
  • 3D, Augmented Reality (AR) & Virtual Reality (VR)
  • Gamification, Card Games
  • Educational Apps, Serious Games
  • Connectivity (Bluetooth, NFC, MQTT, KNX)
  • Sensors, Analytics, Telemetry
  • Charts, Data Visualization
  • PDF Viewing and Editing
  • App Internationalization, App Localization
  • AI & Machine Learning, Image Scanning & Recognition, OCR
  • Security, Encryption, Blockchain, Cryptocurrency
  • WebAssembly
  • Continuous Integration (CI) & Continuous Deployment (CD)
  • Backend Service Integrations, Tailored Backends

Fast-Forward Your Next App

Reach out to us, to discuss your next project and how Felgo can help you to make it a success.