# Dieter Clock vs Thumb Scroll

The clearest difference is in-app purchases: Dieter Clock at none against Thumb Scroll's 3. Dieter Clock also leads on device support (4 vs 1). Thumb Scroll's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Thumb Scroll sells 3 in-app purchases, starting at $3.99 per 7 days. Dieter Clock asks for nothing beyond the download.

Dieter Clock ships an update every 3 weeks, Thumb Scroll every 6 days. Both last shipped on October 16, 2026.

## The numbers

| Metric | Dieter Clock | Thumb Scroll |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 5 MB | 44 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Oguzhan Bilgin](https://appshunter.io/developer/1848626364) | [VITO BICA](https://appshunter.io/developer/1866604699) |

## What reviewers say

### Dieter Clock

[App page](https://appshunter.io/ios/app/dieter-clock/id6754521171)

**In-app purchases:** none


### Thumb Scroll

[App page](https://appshunter.io/ios/app/thumb-scroll-screen-time/id6764258598)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $3.99 | per 7 days |
| Annual Pro – Offer | $24.99 | per year |
| Annual Pro | $44.99 | per year |


## Frequently asked questions

### Is Dieter Clock free?

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

### Is Thumb Scroll free?

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

### Do Dieter Clock or Thumb Scroll have ads?

Neither Dieter Clock nor Thumb Scroll shows ads.

### Which is updated more often, Dieter Clock or Thumb Scroll?

Dieter Clock ships an update every 3 weeks, and Thumb Scroll every 6 days. Most recently, Dieter Clock was updated on October 16, 2026 and Thumb Scroll 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.*