# AngleLab vs Rhythm exercise

The clearest difference is price: AngleLab at Free against Rhythm exercise's $1.99. Rhythm exercise's advantage is update cadence (weekly vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

AngleLab is free to download; Rhythm exercise costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AngleLab ships an update every 3 months, Rhythm exercise weekly. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AngleLab | Rhythm exercise |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 41 MB | 3 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [HELTEC Co., Ltd](https://appshunter.io/developer/1740087639) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## What reviewers say

### AngleLab

[App page](https://appshunter.io/ios/app/anglelab-joint-angle-app/id1641470895)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rhythm exercise

[App page](https://appshunter.io/ios/app/rhythm-exercisejump-rope-etc/id6466854178)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is AngleLab free?

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

### Is Rhythm exercise free?

Rhythm exercise costs $1.99, with no in-app purchases.

### Do AngleLab or Rhythm exercise have ads?

Neither AngleLab nor Rhythm exercise shows ads.

### Which is updated more often, AngleLab or Rhythm exercise?

AngleLab ships an update every 3 months, and Rhythm exercise weekly. Most recently, AngleLab was updated on October 1, 2026 and Rhythm exercise 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.*