250+ iOS apps curated and reviewed
Out of 250+ touch tonnetz apps on iOS, 15 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 |  | Free | 3.5★ (4) | No | Yes | Sep 2026 | |
| 2 |  | Free was $9.99 | 4.8★ (6.3K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.4★ (230) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.7★ (569) | No | No | Sep 2026 | |
| 5 |  | Free | 4.8★ (5) | No | No | Sep 2026 | |
| 6 |  | Free | 5.0★ (1) | No | No | Jul 2026 | |
| 7 |  | $0.99 | 4.8★ (12) | No | No | Aug 2026 | |
| 8 |  | Free | 4.6★ (791) | No | Yes | Sep 2026 |
Explore Neo-Riemannian music theory with an interactive tonal lattice. Hear chords and notes, visualize harmonic transformations, and build custom progressions. Offers multiple instrument sounds and color schemes for a hands-on theoretical exploration.
This app helps musicians of all levels write songs, find chords, and learn music theory. It offers tools for chord and scale practice, MIDI and PDF export, and collaboration features for songwriters and producers.
Access hundreds of thousands of chord variations for multiple instruments like guitar, piano, and ukulele. Features a minimalist, fast interface and supports iPhone, iPad, and OSX. Enjoy a completely ad-free experience.
