Endless A-440
Nathan Fennel Music iPhoneiPadiPod touch
Endless A-440 is a free Music app for iPhone and iPad by Nathan Fennel. Rated 4.5/5 from 2 ratings. Requires iOS 17.0. Updated September 30, 2026.
- Rating
- 4.5
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 6 MB
- Age 4+
- Updated
- Sep 30
- 2026 · v2.0.0
Screenshots
About Endless A-440
A concert A, whenever you need one. Endless A-440 plays a sustained 440 Hz reference tone for tuning instruments. Choose piano, violin, French horn, or a pure sine wave. Tap an instrument to start, switch sounds with a tap, and tap again or use Stop playback to finish. • Four bundled reference sounds • A clear playing indicator and dedicated stop button • Light and dark appearances for iPhone and iPad • An optional original 2015 design • Works offline, with no account, ads, or microphone access This is a reference-tone player. It does not listen to your instrument or measure its pitch.
What’s new
Version 2.0.0 · Updated September 30, 2026
A refreshed SwiftUI interface for iPhone and iPad, with animated instrument artwork, clearer playback controls, and an optional original design. Playback now stops safely when interrupted or when you leave the app. Includes privacy and support links.
App privacy
The developer, Nathan Fennel, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Endless A-440
Looking for apps like Endless A-440? Here are 6 similar apps on the App Store. The highest rated is A–440: Pro Tuner Tuning Fork (4.4/5), and all 6 are free to download.
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A440 Tuner
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A–440: Pro Tuner Tuning Fork
4.4
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fingy!
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Brass Up!
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Bongos - Dynamic Bongo Drums
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Pocket Drums
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Endless A-440 | 4.5 / 5 (2 ratings) | Free | September 30, 2026 | |
| A440 Tuner | 2.9 / 5 (8) | Free | Nov 22, 2023 | Compare |
| A–440: Pro Tuner Tuning Fork | 4.4 / 5 (185) | Free | Jul 16, 2026 | Compare |
| fingy! | 4.4 / 5 (26) | Free | May 2, 2024 | Compare |
| Brass Up! | 2.7 / 5 (28) | Free | Sep 25, 2026 | Compare |
| Bongos - Dynamic Bongo Drums | 3.3 / 5 (24) | Free | Dec 20, 2023 | Compare |
| Pocket Drums | 4.0 / 5 (290) | Free | Sep 19, 2026 | Compare |
Compare Endless A-440 with the top alternatives: ratings, updates, ASO score and keyword gaps →