# ASIAIR vs SynLink

The clearest difference is rating: SynLink at 5.0 against ASIAIR's 3.9. SynLink also leads on update cadence (fortnightly vs every 2 months). ASIAIR's advantage is ratings volume (239 vs 2) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SynLink holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: ASIAIR has 239 ratings behind it against 2, so its average is the more settled of the two.

ASIAIR ships an update every 2 months, SynLink fortnightly. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ASIAIR | SynLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (239 ratings)](https://appshunter.io/ios/app/asiair/id1367782034/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synlink/id6739761466/reviews)** |
| Number of ratings | **239** | 2 |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 1.1 GB | 199 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [SuZhou ZWO Co., Ltd](https://appshunter.io/developer/1367782033) | [Suzhou UMa Technology Co., Ltd](https://appshunter.io/developer/1786910791) |

## What reviewers say

### ASIAIR

[App page](https://appshunter.io/ios/app/asiair/id1367782034)

This app acts as an intelligent wireless controller for astrophotography, enabling control of various cameras and equatorial mounts. It offers comprehensive tools for deep-sky and planetary imaging, including focusing, alignment, and stacking, all accessible from your mobile device.

**Highlights:** Wireless camera and mount control, DSLR/MILC and equatorial mount support, Built-in SkyAtlas for imaging tasks, Auto-focus and polar alignment, Live stacking and post-stacking, Multi-target and mosaic planning

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful and feature-rich
- 👍 Easy to use and intuitive
- 🔒 Reliable and stable
- 🌟 Excellent automation and control
- 💻 Seamless integration with ZWO ecosystem

**What reviewers complain about**

- 🐛 Buggy software updates
- 🔍 Limited camera/mount compatibility
- 🔧 Difficult to troubleshoot issues
- 🔋 Connectivity and Wi-Fi problems
- 🗺️ Inaccurate object locating and plate solving

**Reported bugs**

- Crashes and freezes with recent updates
- Guiding and tracking issues after updates
- Connectivity problems with certain mounts
- Polar alignment and plate solving failures
- Incompatibility with newer iOS versions

**Requested features**

- Improved object catalog and sky atlas
- Support for more camera brands and models
- Mosaic imaging capabilities
- Customizable file naming and organization
- Notifications and alerts for issues during sessions


### 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 ASIAIR free?

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

### Is SynLink free?

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

### Which has better reviews, ASIAIR or SynLink?

SynLink is rated higher. ASIAIR averages 3.9 out of 5 from 239 ratings, while SynLink averages 5.0 from 2 ratings.

### Do ASIAIR or SynLink have ads?

Neither ASIAIR nor SynLink shows ads.

### Which is updated more often, ASIAIR or SynLink?

ASIAIR ships an update every 2 months, and SynLink fortnightly. Most recently, ASIAIR was updated on October 19, 2026 and SynLink on October 16, 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.*