12+ iOS apps & games curated and reviewed
Out of 12+ john gellecum apps and games on iOS, 5 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $1.29 | 4.5★ (2) | No | No | Aug 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | $3.99 | — | No | No | Jul 2026 |
| 4 |  | $4.99 | 5.0★ (1) | No | No | Jul 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | $0.99 | 3.7★ (3) | No | No | May 2026 |
| 8 |  | $3.99 | 2.0★ (2) | No | No | May 2026 |
This app helps musicians understand music theory with a color-coded circle of fifths. It quickly identifies accidentals for scales and modes, and allows users to listen to various scales. A helpful guide is included to maximize its utility.
Explore music theory visually with this intuitive companion. It features rainbow-colored notes, a wide range of scales and chords, and instant key signature information. Learn intervals and understand chord progressions with multiple notation systems.
This app uses digital flashcards to help guitarists quickly memorize chord shapes and master the fretboard. Practice dozens of chords in short sessions to boost your music theory and recognition skills.
Learn and visualize guitar scales with a unique color-coding system. Explore modes, circle of fifths, and harmonics. Practice improvisation with backing tracks and jam modes.
This app uses color-coded visual aids to help bass guitarists learn and recognize scales and intervals. It offers a wide range of scales, fretboard overviews, and audio playback for scales and arpeggios, along with drums backing tracks.
