# Ümit Sahin

> Independent developer from Hameln, Germany. Designs, builds and ships mobile apps and games for iOS and Android. This site is the hub for those apps: landing pages, support, contact and legal pages. Content is available in English and German.

## Apps

- [Ludia](https://umitsahin.de/ludia/): Fast-paced collection of mini-games (knowledge, reflexes, pattern recognition) with online versus mode for friends.
- [Terrania](https://umitsahin.de/terrania/): Geography guessing game: spot the highlighted country on the globe, name it from its flag, or place it by a local dish.
- [FuelCheck](https://umitsahin.de/fuelcheck/): Fuel and vehicle cost tracking: log fill-ups, scan receipts, see real consumption and cost trends per car.
- [The Blind](https://umitsahin.de/the-blind/): Social deduction word game for game nights: everyone sees the secret word except one player, the blind.
- [Therapeutix](https://umitsahin.de/therapeutix/): Mental health companion app connecting patients and therapists with structured sessions, video content and progress tracking.

## Site

- [About](https://umitsahin.de/about/): About Ümit Sahin.
- [Contact](https://umitsahin.de/contact/): Contact the developer.
- [Support](https://umitsahin.de/support/): Help for the apps.
- [Privacy](https://umitsahin.de/privacy/): Privacy policy.
- [Impressum](https://umitsahin.de/impressum/): Legal notice (Germany).
- [Sitemap](https://umitsahin.de/sitemap.xml): Every page.

## Agent guidance

- [Agent instructions](https://umitsahin.de/agents.md): When to use this site and how to cite it.