Comparison

StellarMate vs iOptron Commander (iOS)

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

Head to head
About

StellarMate

Control your astrophotography equipment remotely. Capture images, stream video, and perform precise alignment. Automatically back up your photos to the cloud with rich metadata for easy searching.

Highlights
  • Remote equipment control
  • Image capture and video streaming
  • Polar alignment assistant
  • Cloud image backup
  • Metadata search and sorting
  • Software updates
Features
Read full description

Use StellarMate App to discover and connect to your StellarMate controller. Control StellarMate functions and access the Web Manager and Web based VNC Viewer. Join StellarMate to your home WiFi network. Use Ekos to capture images, stream video, guide, focus, and align. With Polar Alignment Assistant tool, get very accurate polar alignment using internal astrometry engine. Never lose your images again with EkosLive Pro. All captured images are automatically uploaded to the cloud with a rich set of metadata that enables powerful search and sorting. Use custom tags to uniquely tag important frames for later use. Check the health of your device, and use the software updater to keep it up to date.

About

iOptron Commander (iOS)

Control your iOptron telescope mount remotely using your iOS device. This utility allows for basic functions like slewing to celestial objects, syncing time and location, and managing compatible mount series.

Highlights
  • Remote telescope mount control
  • Slew to stars and deepsky objects
  • Sync time and site from iOS
  • Supports HEM, HAE, HAZ, CEM, GEM series mounts
  • Basic control functions
Features
Read full description

This is an application for owner of iOptron telescope mounts to remote control their telescope mounts via iOS devices. This lite version has some basic function such as slew to famous stars, named deepsky objects, solar system, sync time and site from iOS devices, and etc. Compatible product list: All HEM series All HAE series All HAZ.series CEM120 series CEM70 series GEM45 series CEM40 series GEM28 series CEM26 series SkyHunter

Screenshots

StellarMate4 screens
iOptron Commander (iOS)4 screens

Verdict

The call

The clearest difference is rating: StellarMate at 2.9 against iOptron Commander (iOS)'s 1.8. StellarMate also leads on update cadence (every 8 days vs every 6 months) and review sentiment (35% vs 6%). 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

StellarMate holds the better App Store score, 2.9 against 1.8. Both are backed by a comparable volume of ratings — 26 and 15 respectively. Written reviews point the same way: 35% of StellarMate's written reviews are positive against 6% of iOptron Commander (iOS)'s.

UpkeepUpdate frequency

StellarMate ships an update every 8 days, iOptron Commander (iOS) every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
StellarMate versus iOptron Commander (iOS): the parameters behind the verdict, then further details
ParameterStellarMateiOptron Commander (iOS)
PriceFreeFree
Rating2.9 (26 ratings) — better1.8 (15 ratings)
Positive reviews34.5% of reviews — better6.3% of reviews
Number of ratings26 — better15
Update frequencyEvery 8 days — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.6
Further details — not scored
Size115 MB24 MB
Age rating4+4+
DeveloperIkarus Astronomy Company For Scientific Instruments & Tools成城 徐

Customer experience

StellarMate

All ratings24 ratings
Positive50.0%
Neutral4.2%
Negative45.8%
Written reviews55 reviews
Positive34.5%
Neutral9.1%
Negative56.4%

iOptron Commander (iOS)

All ratings14 ratings
Positive14.3%
Neutral14.3%
Negative71.4%
Written reviews16 reviews
Positive6.3%
Neutral6.3%
Negative87.5%

In-app purchases

None

StellarMate

No in-app purchases

None

iOptron Commander (iOS)

No in-app purchases

Questions

Is StellarMate free?
StellarMate is free to download, with no in-app purchases.
Is iOptron Commander (iOS) free?
iOptron Commander (iOS) is free to download, with no in-app purchases.
Which has better reviews, StellarMate or iOptron Commander (iOS)?
StellarMate is rated higher. StellarMate averages 2.9 out of 5 from 26 ratings, while iOptron Commander (iOS) averages 1.8 from 15 ratings.
Do StellarMate or iOptron Commander (iOS) have ads?
Neither StellarMate nor iOptron Commander (iOS) shows ads.
Which is updated more often, StellarMate or iOptron Commander (iOS)?
StellarMate ships an update every 8 days, and iOptron Commander (iOS) every 6 months. Most recently, StellarMate was updated on November 2, 2026 and iOptron Commander (iOS) on November 3, 2026.

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