John Gellecum
App Store publisher on AppTrack Ninja.
Portfolio includes:
John Gellecum
IndividualJohn Gellecum
Apps
15
Markets
175
Average rating
3.5
Countries | |||||
|---|---|---|---|---|---|
 Bass Guitar Colour Scales C John Gellecum | 15.04.2026 | 15.04.2026 | 🇦🇪🇦🇫🇦🇬+172 | Free | Music |
 Ear Games John Gellecum | 27.02.2026 | 27.02.2026 | 🇦🇪🇦🇫🇦🇬+170 | Free | Music |
 Circle of Fifths Xtra C John Gellecum | 26.11.2025 | 26.11.2025 | 🇦🇪🇦🇫🇦🇬+172 | Free | Music |
 Wordfeud ABCD John Gellecum | 06.11.2025 | 16.05.2026 | 🇦🇬🇦🇮🇦🇷+59 | Free | Games |
 Circle of Fifths Xtra John Gellecum | 16.04.2025 | 24.11.2025 | 🇦🇪🇦🇫🇦🇬+172 | $4.99 | Music |
 The Guitar Chord Challenge John Gellecum | 10.11.2022 | 26.01.2026 | 🇦🇪🇦🇫🇦🇬+172 | Free | Music |
 Bass Guitar Scales in Colour John Gellecum | 20.04.2022 | 08.04.2026 | 🇦🇪🇦🇫🇦🇬+128 | $14.99 | Music |
 Guitar Scales in Colour John Gellecum | 31.07.2021 | 22.01.2026 | 🇦🇪🇦🇫🇦🇬+172 | $3.99 | Music |
 Guitar Chords in Colour John Gellecum | 31.07.2021 | 22.01.2026 | 🇦🇪🇦🇫🇦🇬+172 | $3.99 | Music |
 Magic Circle of 5ths John Gellecum | 29.07.2021 | 23.01.2026 | 🇦🇪🇦🇫🇦🇬+172 | $0.99 | Music |
1–10 of 15
1 / 2