# Scatterbrain vs Nudge

The clearest difference is update cadence: Nudge at every 5 days against Scatterbrain's every 2 weeks. Scatterbrain's advantage is iOS requirement (18.2 vs 26.0). On price, ads, in-app purchases 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 and Nudge sells 4 in-app purchases, starting at $2.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Scatterbrain ships an update every 2 weeks, Nudge every 5 days. The most recent releases landed on October 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Scatterbrain | Nudge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 120 MB | 20 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [InnoWaveIT s.r.o](https://appshunter.io/developer/1884251577) | [Loc Nguyen](https://appshunter.io/developer/1896625606) |

## What reviewers say

### 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 |


### Nudge

[App page](https://appshunter.io/ios/app/nudge-focus-and-block-apps/id6769046691)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nudge Pro Weekly - 50% Off | $2.49 | per 7 days |
| Nudge Pro Weekly | $4.99 | per 7 days |
| Nudge Pro Yearly - 50% Off | $24.99 | per year |
| Nudge Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Scatterbrain free?

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

### Is Nudge free?

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

### Do Scatterbrain or Nudge have ads?

Neither Scatterbrain nor Nudge shows ads.

### Which is updated more often, Scatterbrain or Nudge?

Scatterbrain ships an update every 2 weeks, and Nudge every 5 days. Most recently, Scatterbrain was updated on October 16, 2026 and Nudge on September 19, 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.*