Four Android apps

Prep for the Czech firearms licence exam. All 837 official Ministry of the Interior questions valid from 1 January 2026, mock exams and statistics.

Czech only. 5 days free, then 79 CZK once.

Prep for the Czech small-craft skipper exam (categories M, S and C). All 792 official questions and 242 images of waterway signs, lights and buoys.

Czech only. Still in development — will be 5 days free, then 99 CZK once.

Parental care for screen time. A daily time window, blocking chosen apps, an instant lock, location on a map and a parent–child chat.

14 days free, then 49 CZK a month for the whole family.

One big red button that rings a lost phone belonging to anyone in the family — even when it is silenced.

A paired pair of phones is free. Up to 3 phones 22 CZK, up to 7 phones 49 CZK, one-off.