Comparison

RNN Amplifier vs Listening Device

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

Head to head
About

RNN Amplifier

This app amplifies sound for users with hearing loss, utilizing advanced noise reduction and automatic gain control. It requires earphones or a Bluetooth headset for optimal performance and is designed for real-time, high-quality audio.

Highlights
  • Personal Sound Amplifier (PSA)
  • Noise Reduction
  • Automatic Output Gain Control
  • Real-time processing
  • High sound quality
  • Earphone/Bluetooth headset required
Features
Read full description

[WARNING !] Be sure to plug-in your earphone or pair your bluetooth headset with your mobile phone before starting the app. AlgorKorea's development technology created Personal Sound Amplifier (PSA) app The Personal Sound Amplifier app produces loud volume for profound hearing loss. RNN technology Noise Reduction based on probabilistic analysis and automatic output gain control are the main features of AlgorKorea sophisticated Personal Sound Amplifier app. All algorithms are implemented in real-time with high sound quality for hearing impairments. The output audio level may be slightly different based on iphone’s volume settings, microphone and earphone/headset types. Just make sure your IOS version is 12.0 or higher.

About

Listening Device

This app amplifies sound and provides live captions, turning your iPhone into a hearing aid. It helps you clearly hear conversations and spoken words in various environments, with an option to read text instead of listening.

Highlights
  • Sound amplification
  • Live captions
  • Noise reduction
  • Real-time audio processing
  • Works with various headphones
  • On-device processing for privacy
Read full description

Hear every word, clearly — wherever you are. Struggling to follow conversations in a noisy room? Wish people would just speak up? Listening Device: Clarive turns your iPhone into a powerful hearing aid and sound amplifier, so you catch every word — clearly and comfortably. Just connect your earphones and instantly amplify the world around you. No hearing-aid hardware. No appointments. No complicated setup. YOUR PERSONAL HEARING AID Turn up the voices that matter and soften the background noise that gets in the way. Clarive boosts quiet talkers so conversations feel effortless again — at home, in the car, at a restaurant, or across a crowded room. POWERFUL SOUND AMPLIFIER Fine-tune the volume to your comfort and hear the world the way it's meant to be heard, in real time — a soft-spoken friend, a lecture from the back row, or the TV across the room. Your iPhone's volume buttons set the level, so you can adjust without looking at the screen. ONE-TAP PRESETS FOR EVERY ROOM Switch between Conversation, Noisy Place, and TV & Media, and a six-band equalizer reshapes the sound for you — lifting the frequencies that carry speech and cutting the rumble that buries it. A live visualiser shows exactly what each preset is doing. BALANCE FOR EACH EAR Hear differently on one side? Set the left and right levels independently until both ears feel even. LIVE CAPTIONS WHEN YOU'D RATHER READ Too loud to listen? Switch on Live Captions to read real-time, on-screen text of what's being said — ideal for meetings, classrooms, and busy places. Choose the text size that's comfortable to read. CAPTIONS IN YOUR LANGUAGE Live Captions work in many languages. Download the one you need and switch between them any time. KEEP WHAT WAS SAID Save a transcript and come back to it later — useful for appointments, lectures, and conversations you'll want to remember. WORKS WITH WHAT YOU ALREADY OWN Use it with AirPods, wired earbuds, or any Bluetooth or wired headphones. No special hardware required. PRIVATE BY DESIGN Your hearing is personal. Everything is processed entirely on your device — no account and no internet required. Audio is never recorded or uploaded, and any transcript you save stays on your iPhone. MADE FOR YOU Built for people who are hard of hearing or deaf, anyone who needs a little extra clarity, and everyone who simply wants to hear better in everyday life. FREE TO START Use the hearing-aid and Live Caption features free every day, then upgrade to Pro anytime for unlimited use. Hear better. Feel more connected. Download Clarive today. Privacy Policy: https://listeningdevice.app/privacy-policy Terms of Use: https://listeningdevice.app/terms-of-service Contact: support@harshvatechnologies.com

Screenshots

RNN Amplifier4 screens
Listening Device4 screens

Verdict

The call

The clearest difference is price: Listening Device at Free against RNN Amplifier's $1.99. Listening Device also leads on update cadence (every 3 weeks vs every 40 months) and ratings volume (10 vs 1). RNN Amplifier's advantage is in-app purchases (none vs 5) and rating (5.0 vs 4.8). On ads 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

Listening Device is free to download; RNN Amplifier costs $1.99 up front. Listening Device sells 5 in-app purchases, starting at $4.99 per 7 days. RNN Amplifier asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RNN Amplifier holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Listening Device has 10 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

RNN Amplifier ships an update every 40 months, Listening Device every 3 weeks. The most recent releases landed on October 5, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 2 level
RNN Amplifier versus Listening Device: the parameters behind the verdict, then further details
ParameterRNN AmplifierListening Device
Price$1.99Free — better
Rating5.0 (1 ratings) — better4.8 (10 ratings)
Number of ratings110 — better
Update frequencyEvery 40 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPod — betteriPhone
Requires iOS14.0 — better26.0
Further details — not scored
Size2 MB32 MB
Age rating4+4+
DeveloperAlgorKorea Co., Ltd.HARSHVA TECHNOLOGIES PRIVATE LIMITED

Customer experience

RNN Amplifier

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

Listening Device

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%

In-app purchases

None

RNN Amplifier

No in-app purchases

5 purchases

Listening Device

Subscriptions4
  • Listening Weekly3 Days trial$4.997 Days
  • Monthly Plan$5.991 Month
  • Yearly Plan$14.991 Year
Show 1 more
  • Yearly Offer$24.991 Year
One-time1
  • Lifetime Premium$29.99

Questions

Is RNN Amplifier free?
RNN Amplifier costs $1.99, with no in-app purchases.
Is Listening Device free?
Listening Device is free to download, with in-app purchases available.
Which has better reviews, RNN Amplifier or Listening Device?
RNN Amplifier is rated higher. RNN Amplifier averages 5.0 out of 5 from 1 ratings, while Listening Device averages 4.8 from 10 ratings.
Do RNN Amplifier or Listening Device have ads?
Neither RNN Amplifier nor Listening Device shows ads.
Which is updated more often, RNN Amplifier or Listening Device?
RNN Amplifier ships an update every 40 months, and Listening Device every 3 weeks. Most recently, RNN Amplifier was updated on October 5, 2026 and Listening Device on October 30, 2026.

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