# Clock In Pro vs KLUKK!

The clearest difference is ads: KLUKK! at none against Clock In Pro's shown. KLUKK! also leads on iOS requirement (18.0 vs 26.2). Clock In Pro's advantage is update cadence (every 4 days vs every 8 days). On price, 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.

Clock In Pro ships an update every 4 days, KLUKK! every 8 days. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Clock In Pro | KLUKK! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 8 days |
| Size | 16 MB | 3 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nocturnal Devs](https://appshunter.io/developer/1882556799) | [Olafur Jonsson](https://appshunter.io/developer/6771493326) |

## What reviewers say

### Clock In Pro

[App page](https://appshunter.io/ios/app/clock-in-pro/id6760953624)

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

**In-app purchases:** none


### KLUKK!

[App page](https://appshunter.io/ios/app/klukk/id6771493324)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clock In Pro free?

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

### Is KLUKK! free?

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

### Do Clock In Pro or KLUKK! have ads?

Clock In Pro shows ads; KLUKK! does not.

### Which is updated more often, Clock In Pro or KLUKK!?

Clock In Pro ships an update every 4 days, and KLUKK! every 8 days. Most recently, Clock In Pro was updated on September 29, 2026 and KLUKK! on September 28, 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.*