# 174 Player Plus — Retune 440 Hz to 174 Hz > Music player that retunes audio to 174 Hz and offers playlist creation and sleep timer. (iPhone/iPad app by SYQEL INC.) - Source: https://appshunter.io/ios/app/174-player-plus/id6739762965 (this page in markdown: same URL + `.md`) - Developer: [SYQEL INC](https://appshunter.io/developer/1671066431) - Category: Music, Entertainment - Price: Free with in-app purchases (on sale, was $19.99) - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.6 · 79 MB - Languages: American English - Released: 2024-12-29 - Data updated: 2026-08-27 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/174-player-plus/id6739762965/reviews.md ## What is 174 Player Plus? Rediscover Your Music in 174Hz Tired of the standard 440Hz tuning? 174 Player Plus is a premium music player designed for listeners who seek a deeper, more calming connection to their audio. Using real-time processing, we retune your local music library to 174Hz—the frequency known as the "Foundation" of the Solfeggio scale. No waiting. No storage waste. Just hit play. Why Choose 174 Player Plus? Instant Retuning: Forget slow file conversions. Our engine retunes your 440Hz files to 174Hz in real-time as you listen. Save Storage: Unlike other apps, we don't create duplicate files. Your storage stays clean. Pure Focus: Zero ads, zero tracking, and no monthly subscriptions. Your sanctuary remains uninterrupted. On The Go: Full CarPlay and iOS integration means your healing frequencies follow you on your commute or at the gym. Key Features: Custom Playlists: Batch-add your favorite tracks to create the ultimate relaxation set. Sleep Timer: Drift off to soothing tones; the music fades out exactly when you want it to. Pro Controls: Includes Shuffle, Repeat, and full playback management. Expand Your Horizons: Ready to explore? Unlock the full Solfeggio Scale (including 432Hz, 528Hz, and more) via a single in-app purchase. ## Key features - Retunes music library to 174 Hz - Creates personalized playlists - Sleep timer function - iOS and CarPlay support - Full playback controls - Unlockable Solfeggio frequencies ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlimited 174 Hz retuning forever. | $19.99 | one-time | | Frequency - 396 Hz | $19.99 | one-time | | Frequency - 432 Hz | $19.99 | one-time | | Frequency - 639 Hz | $19.99 | one-time | | Frequency - 285 Hz | $19.99 | one-time | | Frequency - 417 Hz | $19.99 | one-time | | Frequency - 852 Hz | $19.99 | one-time | | Frequency - 528 Hz | $19.99 | one-time | | Frequency - 963 Hz | $19.99 | one-time | | Solfeggio Core Bundle | $59.99 | one-time | | Frequency - 741 Hz | $19.99 | one-time | ## Frequently asked questions about 174 Player Plus ### What is 174 Player Plus? 174 Player Plus is a music player that automatically retunes your entire music library to the 174 Hz frequency. It aims to provide a unique and calming listening experience without needing to convert files. ### How does 174 Player Plus retune music? The app retunes your music to 174 Hz as you listen, instantly transforming the sound. This process does not require manual file conversion or take up extra storage space. ### Can I create playlists with 174 Player Plus? Yes, you can easily create custom playlists in seconds. The app allows for bulk song additions to curate the perfect listening experience for any mood or occasion. ### Does 174 Player Plus have a sleep timer? Yes, it features a built-in sleep timer. You can set a countdown, and the app will automatically stop the music when the timer ends, helping you drift off peacefully. ### Is 174 Player Plus compatible with my car? 174 Player Plus offers full CarPlay support, allowing you to seamlessly integrate your retuned music into your car's infotainment system. ### Can I explore other frequencies with 174 Player Plus? Yes, you can unlock additional Solfeggio frequencies through an in-app purchase. This allows you to explore the potential healing power of sound on a deeper level. ### What devices support 174 Player Plus? 174 Player Plus is available for iPhone, iPad, and iPod devices, ensuring a consistent experience across your Apple ecosystem. ### How often is 174 Player Plus updated? The app was last updated on July 6, 2025, with version 1.0.4. This indicates ongoing development and support for the application. ## Version history (last 4 releases) ### 1.5.7 — 2026-07-04 Updated performance & stability ### 1.0.4 — 2025-07-06 Bug fix - improved music recall from storage. Added restore purchase button to billing page ### 1.0.1 — 2025-01-08 Added the "Updated Library" button to add any new songs downloaded to your iPhone through the Apple Music app ### 1.0 — 2024-12-29 No release notes. ## Apps similar to 174 Player Plus | App | Rating | Price | Category | | --- | --- | --- | --- | | [Learn Piano: Fun Real Keyboard](https://appshunter.io/ios/app/learn-piano-fun-real-keyboard/id6642697712) | 4.8 (216) | Free | Music | | [Audio / Spectrum Analyzer](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574) | 4.6 (1,013) | Free | Music | | [Hopium: Subliminal Maker](https://appshunter.io/ios/app/hopium-subliminal-maker/id6740145758) | 4.3 (18) | Free | Music | | [Singa: Sing Karaoke](https://appshunter.io/ios/app/singa-sing-karaoke/id802874608) | 4.4 (378) | Free | Music | | [Anima: Binaural Beats](https://appshunter.io/ios/app/anima-binaural-beats/id6753141187) | 4.7 (4,205) | Free | Music | ## More apps by SYQEL INC - [HZP (Hertz Player)](https://appshunter.io/ios/app/hzp-hertz-player/id1671066429) - [Solfeggio Frequencies Player](https://appshunter.io/ios/app/solfeggio-frequencies-player/id6502956524) - [432 Player Plus](https://appshunter.io/ios/app/432-player-plus/id6739762987) - [528 Player Plus](https://appshunter.io/ios/app/528-player-plus/id6739763108) - [285 Player Plus](https://appshunter.io/ios/app/285-player-plus/id6739763153) All apps by SYQEL INC: https://appshunter.io/developer/1671066431 --- *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 2026-08-27.*