# iFox Observatory vs Star Explorer：星空观测

The clearest difference is in-app purchases: iFox Observatory at none against Star Explorer：星空观测's 1. iFox Observatory also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Star Explorer：星空观测 sells 1 one-off in-app purchase. iFox Observatory asks for nothing beyond the download.

## The numbers

| Metric | iFox Observatory | Star Explorer：星空观测 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 37 MB | 22 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宁 王](https://appshunter.io/developer/431513082) | [Beijing XingheBit Science & Technology Development Co., Ltd.](https://appshunter.io/developer/1882505330) |

## What reviewers say

### iFox Observatory

[App page](https://appshunter.io/ios/app/ifox-observatory/id6772693497)

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

**In-app purchases:** none


### Star Explorer：星空观测

[App page](https://appshunter.io/ios/app/star-explorer/id6799640893)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Star Explorer Pro 买断 | $12.99 | one-time |


## Frequently asked questions

### Is iFox Observatory free?

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

### Is Star Explorer：星空观测 free?

Star Explorer：星空观测 is free to download, with in-app purchases available.

### Do iFox Observatory or Star Explorer：星空观测 have ads?

Neither iFox Observatory nor Star Explorer：星空观测 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.*