# Dieter Clock vs Anniversa

The clearest difference is device support: Dieter Clock at 4 against Anniversa's 1. Dieter Clock also leads on iOS requirement (17.0 vs 26.2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

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

## The numbers

| Metric | Dieter Clock | Anniversa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 5 MB | 17 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Oguzhan Bilgin](https://appshunter.io/developer/1848626364) | [Martin van Diemen](https://appshunter.io/developer/1882038352) |

## What reviewers say

### Dieter Clock

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

**In-app purchases:** none


### Anniversa

[App page](https://appshunter.io/ios/app/anniversa/id6759972583)

**In-app purchases:** none


## Frequently asked questions

### Is Dieter Clock free?

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

### Is Anniversa free?

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

### Do Dieter Clock or Anniversa have ads?

Neither Dieter Clock nor Anniversa shows ads.

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

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