Developer
John Gellecum
6 apps· Canada App Store
Apps
6
5 charting
Ratings
8
2.88 ★ average
◆ Pro
Downloads & Revenue estimates
Monthly, by storefront, with daily history
Release history
Apps launched per year
- First launch
- 2019
- Busiest year
- 20195 apps
- Active years
- 2of 7
51
Catalog
All apps by John Gellecum
| # | App | Age | Rating | Downloads & Revenue | Trend |
|---|---|---|---|---|---|
| 1 |  Bass Guitar Colour ScalesMusic | 7.1y | 2.3 ★ (4) | · | |
| 2 |  Quintenzirkel XtraMusic | 1.5y | 5.0 ★ (2) | · | |
| 3 |  Guitar Scales in ColoursMusic | 7.7y | 2.0 ★ (2) | · | |
| 4 |  Magic Circle of FifthsEducation | 7.7y | — | · | |
| 5 |  Guitar Flash ChordsMusic | 7.7y | — | · | |
| 6 |  Guitar Chords in ColoursMusic | 7.7y | — | · |
Apps tracked in the StoreIntel index · estimates are modeled for apps on tracked charts only