# Crab the beat vs OpenScore

The clearest difference is in-app purchases: Crab the beat at none against OpenScore's 2. OpenScore's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OpenScore sells 2 in-app purchases, starting at $12.99 per year. Crab the beat asks for nothing beyond the download.

Crab the beat ships an update every 3 weeks, OpenScore every 5 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Crab the beat | OpenScore |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 5 MB | 103 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [hyeonseok bang](https://appshunter.io/developer/1838858403) | [Nemo Studio (KR)](https://appshunter.io/developer/1845772843) |

## What reviewers say

### Crab the beat

[App page](https://appshunter.io/ios/app/crab-the-beat/id6754897451)

This app acts as a practice partner beyond a simple metronome, utilizing vibrations on your fingertips and Apple Watch to feel the rhythm. It features a focus mode that gradually increases tempo to enhance immersion and allows for seamless metronome playback even in the background.

**Highlights:** Seamless metronome playback, Apple Watch vibration feedback, Gradual tempo increase in focus mode, Background operation, Rhythm feeling through vibration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### OpenScore

[App page](https://appshunter.io/ios/app/openscore/id6806447089)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $12.99 | per year |
| Plus | $19.99 | one-time |


## Frequently asked questions

### Is Crab the beat free?

Crab the beat is free to download, with no in-app purchases.

### Is OpenScore free?

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

### Do Crab the beat or OpenScore have ads?

Neither Crab the beat nor OpenScore shows ads.

### Which is updated more often, Crab the beat or OpenScore?

Crab the beat ships an update every 3 weeks, and OpenScore every 5 days. Most recently, Crab the beat was updated on October 17, 2026 and OpenScore on October 8, 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.*