Apps

We make useful apps to make your life easier.

CallTap

CallTap is the missing call recorder on your iPhone. Super easy to understand and use. Never forget an important detail again.


SolarWatch

A beautiful solar timepiece app. A minimalistic and beautiful visualization of the day and night times at your current location


Translate

Free multi-language text and voice translator, celebrating 10 years on the Apple App Store!


BZF Fragenkatalog

Prepare for the basic german ATC radio communication exam and get a step closer to your PPL.


AZF Fragenkatalog

Prepare for the advanced german ATC radio communication exam and get a step closer to your commercial pilots license.