# czi Sky vs PeterPan

The clearest difference is update cadence: PeterPan at every 4 days against czi Sky's every 3 weeks. On price, ads, 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.

czi Sky ships an update every 3 weeks, PeterPan every 4 days. The most recent releases landed on September 13, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | czi Sky | PeterPan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 32 MB | 98 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd.](https://appshunter.io/developer/1675437495) | [志波 朱](https://appshunter.io/developer/1823168317) |

## What reviewers say

### czi Sky

[App page](https://appshunter.io/ios/app/czi-sky/id6746466110)

**Features:** macOS Compatibility

**In-app purchases:** none


### PeterPan

[App page](https://appshunter.io/ios/app/peterpan/id6751612860)

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

**In-app purchases:** none


## Frequently asked questions

### Is czi Sky free?

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

### Is PeterPan free?

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

### Do czi Sky or PeterPan have ads?

Neither czi Sky nor PeterPan shows ads.

### Which is updated more often, czi Sky or PeterPan?

czi Sky ships an update every 3 weeks, and PeterPan every 4 days. Most recently, czi Sky was updated on September 13, 2026 and PeterPan on September 6, 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.*