Comparison

GM Hearing vs Harmonix OTC

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

Head to head

About

GM Hearing

Features

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GM Hearing Bluetooth Earphone Management APP is designed for users pursuing premium listening experiences, integrating advanced intelligent noise cancellation and wireless Bluetooth technology. Featuring a clean interface and intuitive operation, it offers volume adjustment and battery monitoring—delivering clear, personalized audio experiences. GM Hearing, your professional listening optimization solution. Disclaimer: The GM Hearing application itself is not a medical device, nor is it certified software, and should not be used as a hearing aid prescribed by a physician. GM Hearing serves as a hearing health software feature; all generated data is solely for application settings and cannot replace medical diagnosis. Please consult a medical professional before making any healthcare decisions.

About

Harmonix OTC

Features

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This app helps users manage and use their hearing aid devices more easily.

Screenshots

GM Hearing3 screens

Harmonix OTC4 screens

Verdict

The call

The clearest difference is update cadence: Harmonix OTC at every 2 days against GM Hearing's every 6 weeks. Harmonix OTC also leads on iOS requirement (11.0 vs 13.0). 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

GM Hearing ships an update every 6 weeks, Harmonix OTC every 2 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level

GM Hearing versus Harmonix OTC: the parameters behind the verdict, then further details
Parameter	GM Hearing	Harmonix OTC
Price	Free	Free
Update frequency	Every 6 weeks	Every 2 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	13.0	11.0 — better
Further details — not scored
Size	148 MB	128 MB
Age rating	4+	17+
Developer	Goodmi Intelligent (Shenzhen) Co., Ltd.	Huizhou Jinghao Medical Technology Co.,Ltd.

In-app purchases

None

GM Hearing

No in-app purchases

None

Harmonix OTC

No in-app purchases

Questions

Is GM Hearing free?

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

Is Harmonix OTC free?

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

Do GM Hearing or Harmonix OTC have ads?

Neither GM Hearing nor Harmonix OTC shows ads.

Which is updated more often, GM Hearing or Harmonix OTC?

GM Hearing ships an update every 6 weeks, and Harmonix OTC every 2 days. Most recently, GM Hearing was updated on November 4, 2026 and Harmonix OTC on October 30, 2026.