Comparison

QUARCS vs Celestron LABS

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

Celestron LABS

Features
Read full description

This app needs to be connected to our WiFi camera in order to use it。 1. Through the app, you can view the real-time video. 2. Through the app, you can record video and photos to phones

Screenshots

QUARCS3 screens
Celestron LABS4 screens

Verdict

The call

The clearest difference is update cadence: Celestron LABS at every 2 months against QUARCS's every 6 months. Celestron LABS also leads on iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

QUARCS ships an update every 6 months, Celestron LABS every 2 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level
QUARCS versus Celestron LABS: the parameters behind the verdict, then further details
ParameterQUARCSCelestron LABS
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size30 MB15 MB
Age rating4+4+
DeveloperLight Speed Vision(Beijing) Co., LtdShenzhen Joyhonest Technology Co., Ltd

In-app purchases

None

QUARCS

No in-app purchases

None

Celestron LABS

No in-app purchases

Questions

Is QUARCS free?
QUARCS is free to download, with no in-app purchases.
Is Celestron LABS free?
Celestron LABS is free to download, with no in-app purchases.
Do QUARCS or Celestron LABS have ads?
Neither QUARCS nor Celestron LABS shows ads.
Which is updated more often, QUARCS or Celestron LABS?
QUARCS ships an update every 6 months, and Celestron LABS every 2 months. Most recently, QUARCS was updated on October 6, 2026 and Celestron LABS on October 11, 2026.

Other comparisons