# QUARCS vs MLAstro Hub

The clearest difference is rating: MLAstro Hub at 5.0 against QUARCS's 3.0. MLAstro Hub also leads on update cadence (every 2 weeks vs every 6 months). On price, ratings volume, ads 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.

MLAstro Hub holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

QUARCS ships an update every 6 months, MLAstro Hub every 2 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QUARCS | MLAstro Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/quarcs/id6479396546/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mlastro-hub/id6767999378/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 41 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Light Speed Vision(Beijing) Co., Ltd](https://appshunter.io/developer/1511662353) | [To Ngoc Khanh](https://appshunter.io/developer/1732662702) |

## What reviewers say

### 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


### MLAstro Hub

[App page](https://appshunter.io/ios/app/mlastro-hub/id6767999378)

Control your OnStep telescope mount wirelessly from your phone. Manage mount status, navigate celestial catalogs, and perform alignment and configuration tasks without a laptop.

**Highlights:** Live mount status monitoring, Directional control with adjustable slew rates, One-tap home and park functionality, Access to celestial object catalogs for Go-To slewing, Guided alignment workflow, Flexible Wi-Fi network setup, Configuration and tuning options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QUARCS free?

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

### Is MLAstro Hub free?

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

### Which has better reviews, QUARCS or MLAstro Hub?

MLAstro Hub is rated higher. QUARCS averages 3.0 out of 5 from 1 ratings, while MLAstro Hub averages 5.0 from 1 ratings.

### Do QUARCS or MLAstro Hub have ads?

Neither QUARCS nor MLAstro Hub shows ads.

### Which is updated more often, QUARCS or MLAstro Hub?

QUARCS ships an update every 6 months, and MLAstro Hub every 2 weeks. Most recently, QUARCS was updated on October 6, 2026 and MLAstro Hub on October 24, 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.*