# JC Fly vs czi Sky

The clearest difference is device support: JC Fly at 3 against czi Sky's 1. JC Fly also leads on iOS requirement (9.0 vs 16.0). On price, 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.

## The numbers

| Metric | JC Fly | czi Sky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 4 MB | 32 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN TOUCHSTONE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1441759734) | [Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd.](https://appshunter.io/developer/1675437495) |

## What reviewers say

### JC Fly

[App page](https://appshunter.io/ios/app/jc-fly/id6505011099)

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

**In-app purchases:** none


### czi Sky

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JC Fly free?

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

### Is czi Sky free?

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

### Do JC Fly or czi Sky have ads?

Neither JC Fly nor czi Sky shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*