# Clean_Calendar vs PACAU

The clearest difference is iOS requirement: PACAU at 13.0 against Clean_Calendar's 15.6. 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.

Clean_Calendar ships an update every 2 weeks, PACAU weekly. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Clean_Calendar | PACAU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 25 MB | 53 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Isle Dynamics Ltd](https://appshunter.io/developer/1838880716) | [Hebei Shengma Electronic Technology Co.,ltd.](https://appshunter.io/developer/6781570897) |

## What reviewers say

### Clean_Calendar

[App page](https://appshunter.io/ios/app/clean-calendar/id6752321387)

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

**In-app purchases:** none


### PACAU

[App page](https://appshunter.io/ios/app/pacau/id6781570895)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clean_Calendar free?

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

### Is PACAU free?

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

### Do Clean_Calendar or PACAU have ads?

Neither Clean_Calendar nor PACAU shows ads.

### Which is updated more often, Clean_Calendar or PACAU?

Clean_Calendar ships an update every 2 weeks, and PACAU weekly. Most recently, Clean_Calendar was updated on October 10, 2026 and PACAU on October 18, 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.*