# Rhythm Habit vs Scatterbrain

The clearest difference is in-app purchases: Rhythm Habit at none against Scatterbrain's 2. Rhythm Habit also leads on iOS requirement (15.1 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scatterbrain sells 2 in-app purchases, starting at $6.99 per month. Rhythm Habit asks for nothing beyond the download.

Rhythm Habit ships an update every 9 days, Scatterbrain every 2 weeks. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Rhythm Habit | Scatterbrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 26 MB | 120 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [SeungEun Lee](https://appshunter.io/developer/1884158333) | [InnoWaveIT s.r.o](https://appshunter.io/developer/1884251577) |

## What reviewers say

### Rhythm Habit

[App page](https://appshunter.io/ios/app/rhythm-habit/id6760370745)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scatterbrain

[App page](https://appshunter.io/ios/app/scatterbrain-adhd-priority/id6763551522)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scatterbrain Pro | $6.99 | per month |
| Scatterbrain Pro | $69.99 | per year |


## Frequently asked questions

### Is Rhythm Habit free?

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

### Is Scatterbrain free?

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

### Do Rhythm Habit or Scatterbrain have ads?

Neither Rhythm Habit nor Scatterbrain shows ads.

### Which is updated more often, Rhythm Habit or Scatterbrain?

Rhythm Habit ships an update every 9 days, and Scatterbrain every 2 weeks. Most recently, Rhythm Habit was updated on October 15, 2026 and Scatterbrain on October 16, 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.*