# Rhythm Lab vs Bubbles & Frets

The clearest difference is price: Bubbles & Frets at Free against Rhythm Lab's $5.99. Bubbles & Frets also leads on device support (3 vs 1). Rhythm Lab's advantage is in-app purchases (none vs 1) and update cadence (every 10 days vs every 3 weeks). On ads and iOS requirement there is nothing between them.

Bubbles & Frets is free to download; Rhythm Lab costs $5.99 up front. Bubbles & Frets sells 1 one-off in-app purchase. Rhythm Lab asks for nothing beyond the download.

Rhythm Lab ships an update every 10 days, Bubbles & Frets every 3 weeks. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Rhythm Lab | Bubbles & Frets |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/rhythm-lab/id589129345/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 159 MB | 133 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Ensminger](https://appshunter.io/developer/589129348) | [Amador Navarro Lucas](https://appshunter.io/developer/820288470) |

## What reviewers say

### Rhythm Lab

[App page](https://appshunter.io/ios/app/rhythm-lab/id589129345)

This music tool helps users improve rhythmic accuracy and explore complex musical patterns. It offers features for creating, importing, and exporting rhythms, along with a metronome and playback controls. Ideal for musicians and educators, it supports external MIDI devices and Audiobus for expanded functionality.

**Highlights:** Rhythm accuracy testing, On-screen and MIDI keyboard support, Metronome and playback controls, Rhythm creation and import/export, Customizable rhythm patterns, Worksheet generation for teachers, Audiobus 3.0 integration

**In-app purchases:** none


### Bubbles & Frets

[App page](https://appshunter.io/ios/app/bubbles-and-frets/id6738471541)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Levels | $2.99 | one-time |


## Frequently asked questions

### Is Rhythm Lab free?

Rhythm Lab costs $5.99, with no in-app purchases.

### Is Bubbles & Frets free?

Bubbles & Frets is free to download, with in-app purchases available.

### Do Rhythm Lab or Bubbles & Frets have ads?

Neither Rhythm Lab nor Bubbles & Frets shows ads.

### Which is updated more often, Rhythm Lab or Bubbles & Frets?

Rhythm Lab ships an update every 10 days, and Bubbles & Frets every 3 weeks. Most recently, Rhythm Lab was updated on October 22, 2026 and Bubbles & Frets on October 27, 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.*