# 佐安飞行3.0 vs ICAO900

The clearest difference is in-app purchases: ICAO900 at none against 佐安飞行3.0's 6. 佐安飞行3.0's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 佐安飞行3.0 sells 6 one-off in-app purchases. ICAO900 asks for nothing beyond the download.

## The numbers

| Metric | 佐安飞行3.0 | ICAO900 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 36 MB | 134 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sichuan Zuoan Education Consulting Co., Ltd.](https://appshunter.io/developer/1736703006) | [Chengdu Yirong Technology Co., Ltd](https://appshunter.io/developer/6782938679) |

## What reviewers say

### 佐安飞行3.0

[App page](https://appshunter.io/ios/app/30/id6749174621)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6个航家币 | $0.99 | one-time |
| 38个航家币 | $4.99 | one-time |
| 68个航家币 | $9.99 | one-time |
| 98个航家币 | $14.99 | one-time |
| 128个航家币 | $19.99 | one-time |
| 198个航家币 | $29.99 | one-time |


### ICAO900

[App page](https://appshunter.io/ios/app/icao900/id6813030896)

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

**In-app purchases:** none


## Frequently asked questions

### Is 佐安飞行3.0 free?

佐安飞行3.0 is free to download, with in-app purchases available.

### Is ICAO900 free?

ICAO900 is free to download, with no in-app purchases.

### Do 佐安飞行3.0 or ICAO900 have ads?

Neither 佐安飞行3.0 nor ICAO900 shows ads.

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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.*