Explore chromatic harmony and chord connections using Neo-Riemannian theory. This app visualizes chord relationships through smooth voice leading and offers a built-in theory reference.
Neo-Riemannian by Martin Adler




249+ iOS apps curated and reviewed
Every iPhone needs a few good neo-riemannian apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $2.99 | 4.0★ (1) | No | No | Oct 2026 | ||
| 2 | Free | — | Yes | No | Oct 2026 | ||
| 3 | Free | 3.5★ (4) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.7★ (17) | No | No | Nov 2026 | ||
| 5 | Free | 4.9★ (15) | No | Yes | Nov 2026 | ||
| 6 | Free | 5.0★ (1) | Yes | No | Nov 2026 | ||
| 7 | Free | 4.8★ (128) | No | No | Nov 2026 | ||
| 8 | Free | 3.4★ (41) | No | No | Oct 2026 |




Explore chromatic harmony and chord connections using Neo-Riemannian theory. This app visualizes chord relationships through smooth voice leading and offers a built-in theory reference.











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.