# MIRROSKY vs QUARCS

The clearest difference is update cadence: MIRROSKY at every 10 days against QUARCS's every 6 months. MIRROSKY also leads on ratings volume (5 vs 1) and iOS requirement (12.0 vs 14.0). QUARCS's advantage is rating (3.0 vs 2.6). 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.

QUARCS holds the better App Store score, 3.0 against 2.6. That said, the two scores are not equally well evidenced: MIRROSKY has 5 ratings behind it against 1, so its average is the more settled of the two.

MIRROSKY ships an update every 10 days, QUARCS every 6 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MIRROSKY | QUARCS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/mirrosky/id6474467188/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/quarcs/id6479396546/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | Free | Free |
| Size | 287 MB | 30 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mirrosky](https://appshunter.io/developer/1721682494) | [Light Speed Vision(Beijing) Co., Ltd](https://appshunter.io/developer/1511662353) |

## What reviewers say

### MIRROSKY

[App page](https://appshunter.io/ios/app/mirrosky/id6474467188)

Explore the cosmos with an AI-powered astronomical telescope and app. Discover stars, planets, and galaxies with real-time data, 3D maps, and interactive learning. Ideal for aspiring astronomers and curious minds.

**Highlights:** AI star recognition, 3D star map, Interactive interface, Intelligent star-seeking, Sharable challenge projects, Professional astronomy courses, Preset sky browsing routes

**Features:** macOS Compatibility

**In-app purchases:** none


### QUARCS

[App page](https://appshunter.io/ios/app/quarcs/id6479396546)

This open-source software kit enables remote astrophotography capture via Wi-Fi and computer. It offers comprehensive control over telescope mounts, cameras, autoguiding, and electric focusers, integrating with Stellarium for sky mapping.

**Highlights:** Remote capture via Wi-Fi, Computer remote capture via LAN, Mount control, Camera control, Autoguiding, Electric focuser control, Stellarium skymap integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MIRROSKY free?

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

### Is QUARCS free?

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

### Which has better reviews, MIRROSKY or QUARCS?

QUARCS is rated higher. MIRROSKY averages 2.6 out of 5 from 5 ratings, while QUARCS averages 3.0 from 1 ratings.

### Do MIRROSKY or QUARCS have ads?

Neither MIRROSKY nor QUARCS shows ads.

### Which is updated more often, MIRROSKY or QUARCS?

MIRROSKY ships an update every 10 days, and QUARCS every 6 months. Most recently, MIRROSKY was updated on October 24, 2026 and QUARCS on October 6, 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.*