Comparison

QUARCS vs MLAstro Hub

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

QUARCS

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
Read full description

Q.U.A.R.C.S (QHYCCD Universal Astrophotographic Remote Capture System) is an open-source software kit that supports the full function of mobile remote capture via WIFI and computer remote capture via LAN. It includes the mount control, camera control, autoguiding, electric focuser control, and Stellarium skymap function.

About

MLAstro Hub

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
Read full description

MLAstro is the wireless remote control companion for OnStep-based telescope mounts connected through SmartWebServer. Whether you're in your backyard or at a dark-sky site, MLAstro gives you everything you need right from your phone — no laptop, no cables, no hassle. KEY FEATURES ● Live Mount Status See your mount's current state at a glance: tracking mode, guide rates, slew status, and connection health — all updated in real time. ● Full Directional Control A responsive on-screen directional pad lets you nudge the mount in any direction. Adjust slew rates, start or stop tracking, and send mount utility commands with a tap. ● Home & Park Safely home or park your mount at the end of a session with dedicated one-tap controls. ● Go-To Catalogs Browse built-in catalogs and send your mount directly to any object: - Messier catalog (110 objects) - Caldwell catalog (109 objects) - Bright Stars list - J2000 coordinate entry for any custom target ● Target Detail & Slew View object details before slewing, confirm the target, and watch your mount move — all from one clean screen. ● Alignment Workflow Step through the alignment process guided by the app, so your mount points accurately every time. ● Flexible Network Setup Supports both Access Point and Station (router) Wi-Fi modes. Save your controller's IP address and port so you're always one tap from connecting. ● Configuration & Tuning Adjust meridian flip settings, slew limits, slew rates, tracking mode, time & location, and controller / axis parameters — all without leaving the app. ● Light & Dark Theme Choose light, dark, or follow your system preference. REQUIREMENTS - An OnStep-based telescope mount controller - SmartWebServer (or compatible TCP bridge) running on port 9998 (configurable) - iOS 15 or later - Same local Wi-Fi network as the mount MLAstro is built for amateur astronomers who want a clean, capable mobile controller for their OnStep rig. No account required. No cloud. Just your phone and your mount.

Screenshots

QUARCS3 screens
MLAstro Hub4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
QUARCS versus MLAstro Hub: the parameters behind the verdict, then further details
ParameterQUARCSMLAstro Hub
PriceFreeFree
Rating3.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 6 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size30 MB41 MB
Age rating4+4+
DeveloperLight Speed Vision(Beijing) Co., LtdTo Ngoc Khanh

Customer experience

QUARCS

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

MLAstro Hub

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

QUARCS

No in-app purchases

None

MLAstro Hub

No in-app purchases

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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