# AboutNumbers vs Zeitkompass

The clearest difference is in-app purchases: Zeitkompass at none against AboutNumbers's 1. Zeitkompass also leads on update cadence (monthly vs every 11 months). AboutNumbers's advantage is iOS requirement (12.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. AboutNumbers sells 1 one-off in-app purchase. Zeitkompass asks for nothing beyond the download.

AboutNumbers ships an update every 11 months, Zeitkompass monthly. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AboutNumbers | Zeitkompass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Size | 103 MB | 90 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [IntegraTools GmbH](https://appshunter.io/developer/618103816) | [INCLUSYS UG](https://appshunter.io/developer/1756263814) |

## What reviewers say

### AboutNumbers

[App page](https://appshunter.io/ios/app/aboutnumbers/id1089468265)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All exercises | $44.99 | one-time |


### Zeitkompass

[App page](https://appshunter.io/ios/app/zeitkompass/id6526479581)

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

**In-app purchases:** none


## Frequently asked questions

### Is AboutNumbers free?

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

### Is Zeitkompass free?

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

### Do AboutNumbers or Zeitkompass have ads?

Neither AboutNumbers nor Zeitkompass shows ads.

### Which is updated more often, AboutNumbers or Zeitkompass?

AboutNumbers ships an update every 11 months, and Zeitkompass monthly. Most recently, AboutNumbers was updated on November 6, 2026 and Zeitkompass on November 4, 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.*