John Nastos iOS Apps | IPA Filezone

LessonKeeper

App Free

Version: 1.2.15
Size: 11.03 MB
Release date: 2020-09-08
Min iOS: 15.0
Bundle ID: com.johnnastos.LessonManager

PitchCenter

App $2.99

Version: 2026.1.0
Size: 4.66 MB
Release date: 2017-05-17
Min iOS: 18.0
Bundle ID: com.johnnastos.Pitchonomics

Harmonomics Ear Training

App $9.99

Version: 2026.2.1
Size: 51.94 MB
Release date: 2015-07-23
Min iOS: 18.0
Bundle ID: com.johnnastos.harmonomics

Metronomics Metronome

App $4.99

Version: 2026.1.7
Size: 39.4 MB
Release date: 2011-05-16
Min iOS: 17.0
Bundle ID: com.johnnastos.Metronomics