mydu.app

Apps that do one job, completely.

Three apps by Suraj Kumar Giri – for the German citizenship test, the classroom and HVAC work.

Hedi

Understand every answer – in your language.

Download Hedi on the App Store
Hedi on iPhone: “Richtig!”, then the Warum? card for 3 October with the key word “3. Oktober” and the start of the Hintergrund.

Notaula

Never lose a grade.

Download Notaula on the App Store Download Notaula on the Mac App Store
Notaula on a Mac: the Period 2 gradebook, with test, homework and classwork columns, failing grades in red, and Finley Edwards' participation grade 76.1 selected.
Notaula on an iPhone: Leo Brown's final grade, 80, with how it was calculated: 79.94 rounded to 80, halves up.

Ductline

Every number shows its working.

Download Ductline on the App Store
Ductline's Duct size screen: 1000 cfm at 0.080 in. w.g. per 100 ft in galvanised steel for a residential main trunk. Required diameter 14.3 in, with its working open.

Paid for once. No account. No tracking. Works offline.