# AR星座 vs 天文观测

The clearest difference is ads: 天文观测 at none against AR星座's shown. AR星座's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. AR星座 sells 3 one-off in-app purchases and 天文观测 sells 1 in-app purchase, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AR星座 ships an update monthly, 天文观测 fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AR星座 | 天文观测 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Size | 366 MB | 32 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Augmreal Technology Co., Ltd.](https://appshunter.io/developer/779445557) | [燕燕 林](https://appshunter.io/developer/1675436596) |

## What reviewers say

### AR星座

[App page](https://appshunter.io/ios/app/ar/id1483170034)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版Plus | $2.99 | one-time |
| 超级版Pro | $2.99 | one-time |
| 购买超级版Pro | $4.99 | one-time |


### 天文观测

[App page](https://appshunter.io/ios/app/id6756773180)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 天文观测尊贵会员 | $1.99 | per 7 days |


## Frequently asked questions

### Is AR星座 free?

AR星座 is free to download, with in-app purchases available.

### Is 天文观测 free?

天文观测 is free to download, with in-app purchases available.

### Do AR星座 or 天文观测 have ads?

AR星座 shows ads; 天文观测 does not.

### Which is updated more often, AR星座 or 天文观测?

AR星座 ships an update monthly, and 天文观测 fortnightly. Most recently, AR星座 was updated on November 3, 2026 and 天文观测 on October 30, 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.*