# Time Calc. Pro vs ZeitComp

The clearest difference is update cadence: ZeitComp at every 3 weeks against Time Calc. Pro's every 28 months. Time Calc. Pro's advantage is price ($0.99 vs $2.99) and iOS requirement (13.4 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

Time Calc. Pro costs $0.99 and ZeitComp $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Time Calc. Pro ships an update every 28 months, ZeitComp every 3 weeks. Both last shipped on September 21, 2026.

## The numbers

| Metric | Time Calc. Pro | ZeitComp |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 weeks** |
| Size | 2 MB | 8 MB |
| Requires iOS | **13.4** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Nishijima](https://appshunter.io/developer/1389796249) | [Ralf Preuss](https://appshunter.io/developer/1817966728) |

## What reviewers say

### Time Calc. Pro

[App page](https://appshunter.io/ios/app/time-calc-pro/id1509605480)

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

**In-app purchases:** none


### ZeitComp

[App page](https://appshunter.io/ios/app/zeitcomp/id6755034567)

**In-app purchases:** none


## Frequently asked questions

### Is Time Calc. Pro free?

Time Calc. Pro costs $0.99, with no in-app purchases.

### Is ZeitComp free?

ZeitComp costs $2.99, with no in-app purchases.

### Do Time Calc. Pro or ZeitComp have ads?

Neither Time Calc. Pro nor ZeitComp shows ads.

### Which is updated more often, Time Calc. Pro or ZeitComp?

Time Calc. Pro ships an update every 28 months, and ZeitComp every 3 weeks. Most recently, Time Calc. Pro was updated on September 21, 2026 and ZeitComp on September 21, 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.*