Comparison

iOptron Commander (iOS) vs E.A.R.

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

Head to head

iOptron Commander (iOS)

iOptron mount control utility

Free

🔧 Utilities

★ 1.914 ratingsView app →

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

About

E.A.R.

Features

Read full description

This app is designed to be compatible with a diverse array of E.A.R. products, allowing you to seamlessly connect various Bluetooth-enabled electronic earmuffs or earplugs. With the ZeroPlus ComPro feature, it facilitates clear communication even in noisy environments, making it ideal for industrial, construction, and ground handling operations where both hands-free communication and hearing protection are essential.

Screenshots

iOptron Commander (iOS)4 screens

E.A.R.4 screens

Verdict

The call

The clearest difference is iOS requirement: E.A.R. at 13.0 against iOptron Commander (iOS)'s 18.6. On price, update cadence, 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.

UpkeepUpdate frequency

iOptron Commander (iOS) ships an update every 6 months, E.A.R. every 7 months. Both last shipped on October 2, 2026.

Scorecard1 real difference · 9 level

iOptron Commander (iOS) versus E.A.R.: the parameters behind the verdict, then further details
Parameter	iOptron Commander (iOS)	E.A.R.
Price	Free	Free
Rating	1.9 (14 ratings) — better	—
Positive reviews	6.3% of reviews	—
Number of ratings	14 — better	—
Update frequency	Every 6 months — better	Every 7 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	18.6	13.0 — better
Further details — not scored
Size	24 MB	51 MB
Age rating	4+	17+
Developer	成城徐	Zero Plus Technology Co.,Ltd.

In-app purchases

None

iOptron Commander (iOS)

No in-app purchases

None

E.A.R.

No in-app purchases

Questions

Is iOptron Commander (iOS) free?

iOptron Commander (iOS) is free to download, with no in-app purchases.

Is E.A.R. free?

E.A.R. is free to download, with no in-app purchases.

Do iOptron Commander (iOS) or E.A.R. have ads?

Neither iOptron Commander (iOS) nor E.A.R. shows ads.

Which is updated more often, iOptron Commander (iOS) or E.A.R.?

iOptron Commander (iOS) ships an update every 6 months, and E.A.R. every 7 months. Most recently, iOptron Commander (iOS) was updated on October 2, 2026 and E.A.R. on October 2, 2026.