19+ iOS apps & games curated and reviewed
Transruler free is the household name in uwe tilemann, but it's far from the only option. We track 19+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (2) | No | Yes | Nov 2026 | |
| 2 |  | Free | — | No | No | Nov 2026 | |
| 3 |  | Free | — | No | Yes | Nov 2026 | |
| 4 |  | Free | — | No | Yes | Oct 2026 | |
| 5 |  | Free | — | — | No | May 2026 | |
| 6 |  | $0.99 | — | — | No | Jul 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
This app helps musicians understand, visualize, and play various musical scales. It features interactive rulers to display scales and keys, allowing for easy transposition and learning of scale relationships. Play individual notes or entire scales with simple taps.
