# Rhythm Helper vs MU

The clearest difference is in-app purchases: MU at none against Rhythm Helper's 1. MU also leads on update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rhythm Helper sells 1 one-off in-app purchase. MU asks for nothing beyond the download.

Rhythm Helper ships an update every 10 days, MU every 3 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Rhythm Helper | MU |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Free |
| Size | 30 MB | 40 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEYOUNG KIM](https://appshunter.io/developer/6798577352) | [Jisoo Kim](https://appshunter.io/developer/6800597796) |

## What reviewers say

### Rhythm Helper

[App page](https://appshunter.io/ios/app/rhythm-helper-beat-practice/id6798577350)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rhythm Helper Pro | $2.99 | one-time |


### MU

[App page](https://appshunter.io/ios/app/munote/id6800597794)

This app accurately tracks your actual playing time during music practice, excluding pauses. It analyzes sound on your device without recording, allowing you to log practice sessions, pieces, and notes. It offers gentle reminders and syncs your history across devices when signed in.

**Highlights:** Counts only playing time, Excludes pauses automatically, Analyzes sound on-device, Logs practice sessions and notes, Calendar view of practice history, Gentle daily reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Rhythm Helper free?

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

### Is MU free?

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

### Do Rhythm Helper or MU have ads?

Neither Rhythm Helper nor MU shows ads.

### Which is updated more often, Rhythm Helper or MU?

Rhythm Helper ships an update every 10 days, and MU every 3 days. Most recently, Rhythm Helper was updated on October 10, 2026 and MU on October 15, 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.*