# Eternal Prayer

> Eternal Prayer (iPhone/iPad app by AlgorKorea Co., Ltd..)

- Source: https://appshunter.io/ios/app/eternal-prayer/id1613319605 (this page in markdown: same URL + `.md`)
- Developer: [AlgorKorea Co., Ltd.](https://appshunter.io/developer/1173452285)
- Category: Lifestyle, Utilities
- Price: Free
- Age rating: 12+
- Requires: iOS 13.0 · 4 MB
- Languages: English, Korean
- Released: 2022-03-10
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/eternal-prayer/id1613319605/reviews.md

## What is Eternal Prayer?

[WARNING !]

If you use a sound amplifier without a doctor's prescription, your hearing can get worse.
Be sure to plug-in your earphone or pair your bluetooth headset with your mobile phone before starting the app.

It is a 64-channel personal sound amplifier app that minimizes the delay between external sound input and amplified sound heard through earphones using the latest technology.

AlgorKorea's hearing aid firmware & app development technology created Personal Sound Amplifier (PSA) app that includes all of the same four features as a smart hearing aid. The Personal Sound Amplifier app produces loud volume for profound hearing loss.

64 Channel Nonlinear precise Compression, Noise Reduction based on probabilistic analysis and Feedback Cancellation are the main features of AlgorKorea sophisticated Personal Sound Amplifier app. All of the three algorithms are implemented in real-time with high sound quality for hearing impairments.
The output audio level may be slightly different based on mobile phone’s volume settings, microphone and earphone/headset types.

- Jesus loves you -


## Version history (last 2 releases)

### 1.0.1 — 2026-04-10

1. Fix an issue where audio output contained noise after an iOS update.
1. iOS 업데이트로 인하여 오디오 출력에 잡음이 섞이는 문제 수정

### 1.0 — 2022-03-10

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

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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 2026-05-15.*