# NumbBrain vs Rotcut

The clearest difference is update cadence: Rotcut at every 4 days against NumbBrain's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NumbBrain sells 3 in-app purchases, starting at $0.99 per month and Rotcut sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

NumbBrain ships an update every 4 months, Rotcut every 4 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NumbBrain | Rotcut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rotcut-screen-time-control/id6763635004/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Subscription |
| Size | 14 MB | 75 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [笛 姜](https://appshunter.io/developer/1561507357) | [Justine Ladlad](https://appshunter.io/developer/1895410941) |

## What reviewers say

### NumbBrain

[App page](https://appshunter.io/ios/app/numbbrain-screen-time-control/id6751564003)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Annual Premium | $2.99 | per year |
| Lifetime Premium | $5.99 | one-time |


### Rotcut

[App page](https://appshunter.io/ios/app/rotcut-screen-time-control/id6763635004)

This app helps you break free from mindless scrolling by introducing friction and a reward system before you can access distracting apps. Complete focus tasks to earn unlock currency and spend it to access your chosen apps for a limited time, building healthier digital habits.

**Highlights:** App blocker using Apple Screen Time, Earn energy points for focus tasks, Push-up and step counter for energy, Focus timer and meditation timer, Daily streaks and progress tracking, Home screen widget for energy and streak

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RotCut Pro - Monthly | $9.99 | per month |
| RotCut Pro - Annual | $19.99 | per year |
| RotCut Pro - Annual | $29.99 | per year |
| RotCut Pro - Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is NumbBrain free?

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

### Is Rotcut free?

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

### Do NumbBrain or Rotcut have ads?

Neither NumbBrain nor Rotcut shows ads.

### Which is updated more often, NumbBrain or Rotcut?

NumbBrain ships an update every 4 months, and Rotcut every 4 days. Most recently, NumbBrain was updated on October 2, 2026 and Rotcut on October 7, 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.*