# AR星座 vs 天文大师

The clearest difference is in-app purchases: 天文大师 at none against AR星座's 3. 天文大师 also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AR星座 sells 3 one-off in-app purchases. 天文大师 asks for nothing beyond the download.

AR星座 ships an update monthly, 天文大师 every 8 days. The most recent releases landed on September 10, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | AR星座 | 天文大师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Size | 366 MB | 92 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Augmreal Technology Co., Ltd.](https://appshunter.io/developer/779445557) | [文 段](https://appshunter.io/developer/598835218) |

## 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 |


### 天文大师

[App page](https://appshunter.io/ios/app/id1636292116)

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

**In-app purchases:** none


## Frequently asked questions

### Is AR星座 free?

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

### Is 天文大师 free?

天文大师 is free to download, with no in-app purchases.

### Do AR星座 or 天文大师 have ads?

AR星座 shows ads; 天文大师 does not.

### Which is updated more often, AR星座 or 天文大师?

AR星座 ships an update monthly, and 天文大师 every 8 days. Most recently, AR星座 was updated on September 10, 2026 and 天文大师 on August 27, 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.*