# 爱天文 vs SynLink

The clearest difference is ads: SynLink at none against 爱天文's shown. SynLink also leads on device support (4 vs 2). 爱天文's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence 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.

爱天文 ships an update every 3 weeks, SynLink fortnightly. Both last shipped on October 30, 2026.

## The numbers

| Metric | 爱天文 | SynLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/synlink/id6739761466/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 155 MB | 221 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [丽君 池](https://appshunter.io/developer/1567877397) | [Suzhou UMa Technology Co., Ltd](https://appshunter.io/developer/1786910791) |

## What reviewers say

### 爱天文

[App page](https://appshunter.io/ios/app/id1619480776)

**In-app purchases:** none


### SynLink

[App page](https://appshunter.io/ios/app/synlink/id6739761466)

This professional controller facilitates astrophotography by offering broad compatibility with major camera brands and astronomical equipment. Its design emphasizes simplicity, restraint, and modernity for an intuitive user experience.

**Highlights:** Broad camera compatibility (Fujifilm, Canon, Nikon, Sony), Supports astronomical cameras, Controls equatorial mounts, Manages filter wheels and focusers, Modern and simple interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 爱天文 free?

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

### Is SynLink free?

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

### Do 爱天文 or SynLink have ads?

爱天文 shows ads; SynLink does not.

### Which is updated more often, 爱天文 or SynLink?

爱天文 ships an update every 3 weeks, and SynLink fortnightly. Most recently, 爱天文 was updated on October 30, 2026 and SynLink 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.*