# onsA440 vs Piascore

The clearest difference is rating: Piascore at 4.6 against onsA440's 2.0. Piascore also leads on update cadence (weekly vs every 5 months) and ratings volume (1.9K vs 4). onsA440's advantage is in-app purchases (none vs 12) and iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Piascore sells 11 one-off in-app purchases. onsA440 asks for nothing beyond the download.

Piascore holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Piascore has 1.9K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 73% of onsA440's written reviews are positive against 82% of Piascore's.

onsA440 ships an update every 5 months, Piascore weekly. Both last shipped on October 21, 2026.

## The numbers

| Metric | onsA440 | Piascore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/onsa440/id356108470/reviews) | **[4.6 (1.9K ratings)](https://appshunter.io/ios/app/piascore-sheet-music-reader/id406141702/reviews)** |
| Number of ratings | 4 | **1.9K** |
| Positive reviews | 73.3% of reviews | **81.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 76 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Groov-in.](https://appshunter.io/developer/356108473) | [Piascore, Inc.](https://appshunter.io/developer/406133802) |

## 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


### Piascore

[App page](https://appshunter.io/ios/app/piascore-sheet-music-reader/id406141702)

This app allows musicians to digitally browse, annotate, and manage their sheet music. It offers features like free classical score downloads, automatic page turning, and integrated practice tools. Easily organize and access your entire music library from your device.

**Highlights:** Digital sheet music browsing, Score annotation with pens and stamps, Free classical sheet music search (IMSLP), Automatic vertical scrolling and half page-turning, Page layout rearrangement and jump buttons, Integrated metronome and practice tools, Air Page Turning and Bluetooth pedal support

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Music Sheet | $0.99 | one-time |
| Music Sheet | $1.99 | one-time |
| piaScore music tools | $1.99 | one-time |
| Music Sheet | $2.99 | one-time |
| Music Sheet | $3.99 | one-time |
| Music Sheet | $4.99 | one-time |
| Piascore Full Upgrading | $5.99 | one-time |
| Music Sheet | $5.99 | one-time |
| Music Sheet | $6.99 | one-time |
| Music Sheet | $9.99 | one-time |
| Music Sheet | $22.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient digital sheet music management
- 💡 Useful features like annotation, metronome, and tuner
- 👍 Seamless integration with cloud storage
- 👍 Affordable paid version with additional functionality

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔋 Battery drain issues
- 🔒 Concerns about syncing and backup capabilities
- 👎 Limitations in editing and organizing sheet music

**Reported bugs**

- Unreliable facial gesture page turning
- Issues with downloading and importing files
- Inconsistent behavior when making edits

**Requested features**

- Ability to add/insert pages to existing scores
- More customization options for annotations and page turning
- Improved syncing across devices
- Better support for guitar tablature and chord charts


## Frequently asked questions

### Is onsA440 free?

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

### Is Piascore free?

Piascore is free to download, with in-app purchases available.

### Which has better reviews, onsA440 or Piascore?

Piascore is rated higher. onsA440 averages 2.0 out of 5 from 4 ratings, while Piascore averages 4.6 from 1.9K ratings.

### Do onsA440 or Piascore have ads?

Neither onsA440 nor Piascore shows ads.

### Which is updated more often, onsA440 or Piascore?

onsA440 ships an update every 5 months, and Piascore weekly. Most recently, onsA440 was updated on October 21, 2026 and Piascore on October 21, 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.*