Easily generate a consistent A-440 pitch for tuning instruments. Select from various instrument sounds to play the reference tone endlessly until you tap to stop. Ideal for musicians needing a reliable tuning reference.

250+ iOS apps curated and reviewed
If you already know Endless A, this is the deeper bench. 250+ endless a-440 apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.5★ (4) | No | No | Oct 2026 | ||
| 2 | Free | 4.4★ (185) | No | Yes | Oct 2026 | ||
| 3 | Free | 3.0★ (2) | No | No | Oct 2026 | ||
| 4 | Free | 2.9★ (8) | No | No | Oct 2026 | ||
| 5 | Free | 5.0★ (12) | No | No | Oct 2026 | ||
| 6 | $699.99 | 4.0★ (4) | No | No | Oct 2026 | ||
| 7 | Free | 2.0★ (4) | No | No | Oct 2026 | ||
| 8 | Free | 4.5★ (561) | Yes | Yes | Nov 2026 |

Easily generate a consistent A-440 pitch for tuning instruments. Select from various instrument sounds to play the reference tone endlessly until you tap to stop. Ideal for musicians needing a reliable tuning reference.



Easily generate a tuning tone with a single tap. Enhance convenience by setting up Siri Shortcuts for quick access, even adding them to your Home Screen or widgets. Adjust the frequency to your needs and enjoy a fuss-free tuning experience.






This utility app provides a simple and straightforward tuning fork. It allows users to generate any frequency between 20 Hz and 20,000 Hz, limited only by the device's speaker and human hearing.