# Adaa Clock vs Dieter Clock

The clearest difference is update cadence: Dieter Clock at every 3 weeks against Adaa Clock's every 2 months. Adaa Clock's advantage is iOS requirement (15.5 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Adaa Clock ships an update every 2 months, Dieter Clock every 3 weeks. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Adaa Clock | Dieter Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 132 MB | 5 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tatweer Educational Technologies](https://appshunter.io/developer/1274975047) | [Oguzhan Bilgin](https://appshunter.io/developer/1848626364) |

## What reviewers say

### Adaa Clock

[App page](https://appshunter.io/ios/app/adaa-clock/id6479605500)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dieter Clock

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

**In-app purchases:** none


## Frequently asked questions

### Is Adaa Clock free?

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

### Is Dieter Clock free?

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

### Do Adaa Clock or Dieter Clock have ads?

Neither Adaa Clock nor Dieter Clock shows ads.

### Which is updated more often, Adaa Clock or Dieter Clock?

Adaa Clock ships an update every 2 months, and Dieter Clock every 3 weeks. Most recently, Adaa Clock was updated on September 26, 2026 and Dieter Clock on October 1, 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.*