# RNN Amplifier

> Personal sound amplifier app using RNN technology for noise reduction and gain control. (iPhone/iPad app by AlgorKorea Co., Ltd..)

- Source: https://appshunter.io/ios/app/rnn-amplifier/id1521187386 (this page in markdown: same URL + `.md`)
- Developer: [AlgorKorea Co., Ltd.](https://appshunter.io/developer/1173452285)
- Category: Utilities, Lifestyle
- Price: $1.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 14.0 · 2 MB
- Languages: English
- Released: 2021-03-31
- Data updated: 2026-07-07
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/rnn-amplifier/id1521187386/reviews.md

## What is RNN Amplifier?

[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.

## Key features

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


## Frequently asked questions about RNN Amplifier

### Does RNN Amplifier have ads?

No, RNN Amplifier does not contain advertisements. It is a paid application with no in-app purchases or ads.

### What is the price of RNN Amplifier?

RNN Amplifier is available for a one-time purchase of $1.99.

### What devices does RNN Amplifier support?

RNN Amplifier is compatible with iPhone and iPod devices.

### What is the minimum iOS version required for RNN Amplifier?

You need iOS version 12.0 or higher to use RNN Amplifier.

### How often is RNN Amplifier updated?

The latest version, 1.0.1, was released on July 16, 2024. Updates are provided by the developer, AlgorKorea Co., Ltd.

### What are the main features of RNN Amplifier?

RNN Amplifier features noise reduction based on probabilistic analysis and automatic output gain control, all implemented in real-time with high sound quality.

### What is the age rating for RNN Amplifier?

RNN Amplifier has an age rating of 4+, making it suitable for a wide range of users.

### Why do I need to plug in earphones for RNN Amplifier?

The app requires earphones or a paired Bluetooth headset to function correctly as a personal sound amplifier and for optimal audio output.

## Version history (last 2 releases)

### 1.0.1 — 2024-07-16

1. Support for new iOS release

### 1.0.0 — 2021-03-31

No release notes.

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## More apps by AlgorKorea Co., Ltd.

- [Hearing Aid Smart](https://appshunter.io/ios/app/hearing-aid-smart/id1173452286)
- [Hearing Smart 5920](https://appshunter.io/ios/app/hearing-smart-5920/id1226894627)
- [Hearing Smart CSR](https://appshunter.io/ios/app/hearing-smart-csr/id1229528829)
- [Smart AMP](https://appshunter.io/ios/app/smart-amp/id1438078177)
- [DRM+ SDR](https://appshunter.io/ios/app/drm-plus-sdr/id1475044823)
- [Clear AMP](https://appshunter.io/ios/app/clear-amp/id1493506572)

All apps by AlgorKorea Co., Ltd.: https://appshunter.io/developer/1173452285

## Related topics

[rnn amplifier](https://appshunter.io/ios/topics/rnn-amplifier)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*