A fast and clean chromatic tuner for various instruments, including guitar, bass, and vocals. It offers haptic feedback, a pitch reference keyboard, and adjustable A=440 tuning. This app is completely free with no ads or subscriptions.






250+ iOS apps curated and reviewed
The best viola tuner & intonation apps on iPhone average 4.3★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | Oct 2026 | ||
| 2 | Free | 5.0★ (2) | No | No | Oct 2026 | ||
| 3 | Free | 3.5★ (217) | Yes | No | Nov 2026 | ||
| 4 | Free | 4.7★ (12) | No | Yes | Oct 2026 | ||
| 5 | Free | 4.1★ (940) | Yes | Yes | Nov 2026 | ||
| 6 | Free | — | No | No | Nov 2026 | ||
| 7 | Free | — | No | No | Aug 2026 | ||
| 8 | Free | 4.1★ (196) | Yes | Yes | Nov 2026 |










A fast and clean chromatic tuner for various instruments, including guitar, bass, and vocals. It offers haptic feedback, a pitch reference keyboard, and adjustable A=440 tuning. This app is completely free with no ads or subscriptions.

This utility app provides accurate tuning notes for the viola. It plays the standard C, G, D, and A strings to help musicians achieve perfect pitch.