249+ iOS apps curated and reviewed
Every iPhone needs a few good key changer 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 |  | Free | 4.6★ (182) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.7★ (28K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.8★ (8.5K) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 4.6★ (1.9K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.8★ (3.9K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | 4.6★ (44) | No | No | Sep 2026 | |
| 7 |  | Free | — | — | No | Aug 2026 | |
| 8 |  | Free | 4.5★ (598) | No | Yes | Sep 2026 |
Easily change the key and tempo of your music files. This app supports various audio and video formats, offering intuitive pitch and speed adjustments with visual feedback on sound quality. It's designed for musicians and learners seeking a user-friendly alternative to complex professional software.
This app uses AI to separate vocals and instruments from any song, allowing musicians to create custom backing tracks. It also offers features like pitch and speed adjustment, chord detection, and lyric transcription.
This app helps musicians learn, practice, and teach music by allowing them to adjust tempo and pitch, repeat sections, and analyze their performance. It offers tools to make practicing songs easier and more efficient.
