# onsA440 vs Endless A

The clearest difference is rating: Endless A at 4.5 against onsA440's 2.3. Endless A also leads on update cadence (every 8 days vs every 5 months) and review sentiment (100% vs 73%). onsA440's advantage is iOS requirement (12.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Endless A holds the better App Store score, 4.5 against 2.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 73% of onsA440's written reviews are positive against 100% of Endless A's.

onsA440 ships an update every 5 months, Endless A every 8 days. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | onsA440 | Endless A |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/onsa440/id356108470/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/endless-a-440/id971330737/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 5 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Groov-in.](https://appshunter.io/developer/356108473) | [Nathan Fennel](https://appshunter.io/developer/968469779) |

## What reviewers say

### onsA440

[App page](https://appshunter.io/ios/app/onsa440/id356108470)

This simple tuning fork app generates a musical tone with a shake or tap. It stops the sound with another tap, making it a straightforward tool for musicians.

**Highlights:** Shake gesture activation, Tap gesture activation, Simple sound generation, For musicians

**Features:** macOS Compatibility

**In-app purchases:** none


### Endless A

[App page](https://appshunter.io/ios/app/endless-a-440/id971330737)

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.

**Highlights:** Endless A-440 pitch generation, Multiple instrument sound options, Simple tap-to-play interface, Reference tone for tuning, Piano, violin, french horn, sine wave sounds

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is onsA440 free?

onsA440 is free to download, with no in-app purchases.

### Is Endless A free?

Endless A is free to download, with no in-app purchases.

### Which has better reviews, onsA440 or Endless A?

Endless A is rated higher. onsA440 averages 2.3 out of 5 from 3 ratings, while Endless A averages 4.5 from 2 ratings.

### Do onsA440 or Endless A have ads?

Neither onsA440 nor Endless A shows ads.

### Which is updated more often, onsA440 or Endless A?

onsA440 ships an update every 5 months, and Endless A every 8 days. Most recently, onsA440 was updated on October 5, 2026 and Endless A on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*