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App developer for German companies

App developer for German companies, GDPR in mind and a fixed price

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One architect builds your app end-to-end for German and EU companies: 20+ years of experience, a data model planned with GDPR in mind, fixed price. Contracts in English or German.

Four ways in, one architect

Already have an engineering team? Then bring me in for an Architecture Review, a single app or the vendor review.

German companies that commission an app want three things in writing: scope, price and how personal data is treated. I'm a software architect who builds your app end to end: one accountable person, not an offshore team. I work in English and German.

Why one architect

  • GDPR planned from the start: purpose, retention and deletion are decided before the first table; the legal assessment stays with you.
  • Fixed price, agreed up front: scope, price and date locked before the build.
  • One accountable person: nothing lost between handoffs, and a clean handover at the end.
  • Proven: 20+ years of experience and several apps live in the App Store.

Data protection and infrastructure

The hosting region for your project is fixed before the build and written into the contract.

The deal

First Version (MVP) from $27,800, market-ready app for iPhone and Android from $83,300, taking over an existing app from $10,500. Fixed price, delivered remotely. See how to choose an app developer and check every point against me.

Price, contract and data

  • Every step has a fixed price, set in writing before work starts; extra scope is added only through a change order you approve in writing.
  • The code sits in your repository from day one; with each paid milestone, the rights to everything delivered up to that point pass to you. Third-party components and pre-existing tools keep their own licences.
  • For rescues and new builds, 90 days of free bug-fixing after launch, on top of the 12-month warranty under the Terms. Ongoing operation starts at $1,400 a month.
  • You contract with DigitalFreedom Global LLC, Wyoming, USA. All prices are net; the tax treatment is clarified before contract and stated in the offer.
  • Our infrastructure is in the United Kingdom and Europe. Where I process personal data on your behalf, we sign a data processing agreement (Art. 28 GDPR). The provider overview on digitalfreedom.co.za lists the subprocessors, their locations and the contractual safeguards.

Common questions

Do you work with German and EU companies?

Yes. I work in English and German with German companies and companies across the EU, and deliver remotely. Contracts are in English or German, with a fixed price agreed in writing before the build starts.

What does it cost?

A First Version (MVP) from $27,800, a market-ready app from $83,300, both at a fixed price rather than by the hour. For an existing app, the App Check at $2,000 comes first.

More markets

The pages for German, Austrian and Swiss cities are written in German.Standorte in Deutschland, Österreich und der Schweiz

NetherlandsAll locations

Keep reading

Hire an app developer How much does an app cost? How to choose an app developer

Talk to the architect who'll be accountable for your app

Free, no obligation, NDA beforehand on request: in 30 minutes we look at what happened, who holds which account and what it takes to get your app running smoothly with you covered. You leave with a clear next step.

Free 30-minute call, no obligation

You talk to Marcel directly, the architect who is accountable for the work. No sales rep, no pitch.

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Prefer to write first? Describe your situation, with a link to your app, repository or questionnaire. You get an answer within one business day.