# ASIAIR vs SharpStacker

The clearest difference is update cadence: SharpStacker at fortnightly against ASIAIR's every 2 months. ASIAIR's advantage is iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ASIAIR ships an update every 2 months, SharpStacker fortnightly. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ASIAIR | SharpStacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (239 ratings)](https://appshunter.io/ios/app/asiair/id1367782034/reviews)** | — |
| Number of ratings | **239** | — |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 1.1 GB | 17 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [SuZhou ZWO Co., Ltd](https://appshunter.io/developer/1367782033) | [LUIGI VANNOZZI](https://appshunter.io/developer/6783673110) |

## 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


### SharpStacker

[App page](https://appshunter.io/ios/app/sharpstacker/id6783673108)

**In-app purchases:** none


## Frequently asked questions

### Is ASIAIR free?

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

### Is SharpStacker free?

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

### Do ASIAIR or SharpStacker have ads?

Neither ASIAIR nor SharpStacker shows ads.

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

ASIAIR ships an update every 2 months, and SharpStacker fortnightly. Most recently, ASIAIR was updated on September 29, 2026 and SharpStacker on September 28, 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.*