ASIAIR vs SynLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASIAIR
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.
- 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
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ASIAIR is an intelligent wireless controller that includes the device and app. You can control all ASI USB 3.0 and Mini-series cameras, selected DSLRs/MILCs, and popular equatorial mounts. Also, you can handle more gears, such as EFW and EAF from ZWO. Just connect your phone or pad to ASIAIR WiFi and explore the universe. ASIAIR has SkyAtlas built-in. It can handle almost all DSO and Planetary imaging tasks. Such as preview, plate solve, auto-focus, polar-align, guiding, plan (multi-target, mosaic), video recording, live stacking, post-stacking, etc. You can even share and chat with global Astro-pals.
SynLink
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.
- Broad camera compatibility (Fujifilm, Canon, Nikon, Sony)
- Supports astronomical cameras
- Controls equatorial mounts
- Manages filter wheels and focusers
- Modern and simple interface
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It offers seamless compatibility with most mainstream cameras, including Fujifilm, Canon, Nikon, and Sony, as well as the majority of astronomical cameras, equatorial mounts, filter wheels, focusers, rotators, and flat panel devices on the market. SynLink is being developed by following the design philosophy of simplicity, restraint, and modernity.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ASIAIR | SynLink |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (239 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 52.3% of reviews | — |
| Number of ratings | 239 — better | 2 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1.1 GB | 199 MB |
| Age rating | 17+ | 4+ |
| Developer | SuZhou ZWO Co., Ltd | Suzhou UMa Technology Co., Ltd |
Customer experience
ASIAIR
SynLink
Bugs and requests
ASIAIR
Reported bugs
5 issues- 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
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ASIAIR
No in-app purchases
SynLink
No in-app purchases
