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About company

Your web & mobile development long-term partners

We are not vendors – we’re your partner and advisor on the way to your long-term success.

Key facts:

  • Top experts covering full application cycle: development, testing, and deployments
  • 7BE Top Mobile App Developers 2020
  • Google Cloud Platform partner
  • Full transparency and live access to project monitoring to keep you in the loop
  • On the market since 2015
  • Apps created by our team were used by over 40 MLN users

Main tech stack: 

  • Angular
  • Svelte
  • Flutter
  • Ionic
  • .NET
  • Node.js
  • Python

We have already supported both: startups and already established businesses

Some of our clients: Otis, Decathlon, Solutions30, Smartfix30, Education First, Agora, Hoppout!

Appstronauts delivered, and keeps maintaining superb cross-platform mobile applications and web solutions for a wide range of industries:

  • Business services,
  • Telecom,
  • E-commerce,
  • Healthcare & Medicine,
  • Retail,
  • E-learning,
  • Transport & Logistics,
  • Media & broadcasting
  • Fintechs

We'd love to work with you! 

Feel free to contact us via [email protected]

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Warszawa, Poland


$50 - $99

10 - 49

Founded in 2015




The intuitive app to make OTIS technicians’ work easier and enable direct selling

The largest sporting goods retailer

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