Independent apps by Dan Urbánek
Small apps. Each does one job properly.
Correct a treadmill distance in Apple Health, practise for a Czech theory exam, remember name days. One developer makes the apps and answers support.
What each app does
iPhone · iPadCzech Driving Test 2026
Practise the Czech driving test, then review what you got wrong.
Try one before you install
Play MiniHue right here.
Each colour once per row, once per column and once per 2×3 box. Break a rule and the board tells you which one.
MiniHue rules and the appThe board needs JavaScript. The rules page has a printable diagram.
Start from the problem
- Apple Watch & Health Indoor distance, corrected workouts and Bluetooth chest-strap batteries.
- Recurring routines Track the last time something happened and see what is due next.
- Czech exam preparation Mock tests and guides for Czech driving, firearms and fishing exams.
- Name days in Europe Why calendars differ and how people use them.
- Offline logic puzzles Pick a game, then learn the rules of Hashi, Slant or Akari.
- Czech parcels and property maps Find a parcel by address or number, then check it in the official Land Registry.
Made by Dan Urbánek
Many of the apps work locally, without a developer account. Each app’s page says which Apple services it uses and what the store handles.
Support and legal linksOwn policy per app
Each app has its own privacy policy.
No data sales
DnesDan sells no personal data.