# 417 Player Plus — Retune 440 Hz to 417 Hz > Retune 440 Hz to 417 Hz (iPhone/iPad app by SYQEL INC.) - Source: https://appshunter.io/ios/app/417-player-plus/id6739763242 (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) - Age rating: 4+ - Requires: iOS 15.6 · 79 MB - Languages: American English - Released: 2024-12-29 - Data updated: 2026-08-27 - User reviews in markdown: https://appshunter.io/ios/app/417-player-plus/id6739763242/reviews.md ## What is 417 Player Plus? 417 Player Plus: Transform Your Music with Healing Frequencies Unlock a richer, more harmonious listening experience with 417 Player Plus, the revolutionary music player that automatically retunes your entire library to the soothing 417 Hz frequency. Say goodbye to manual conversions and wasted storage—simply press play and let your music resonate with positive energy. Why Choose 417 Player Plus? Effortless 417 Hz Retuning: Instantly transform your entire music collection to 417 Hz, the frequency associated with positive change and clearing negativity. No more tedious file conversions or cluttering your device with duplicate files. Save Time & Storage: Play your existing music library directly, without needing to re-download or convert anything. Seamless Listening Experience: Immerse yourself in music designed to enhance relaxation, focus, and overall well-being. Key Features You'll Love: + Automatic Retuning: Your entire music library, instantly retuned to 417 Hz. Just hit play! + Custom Playlists: Easily create and manage personalized playlists. Add songs in bulk and organize your favorites in seconds. + Sleep Timer: Drift off peacefully with your music. Set a countdown timer and the app will automatically stop playback. iOS & CarPlay Support: Enjoy your harmonized music on your iPhone and seamlessly integrate it with Apple CarPlay for on-the-go listening. Full Playback Control: Choose your preferred listening style with Shuffle, Normal, Repeat One, and Repeat All modes. Explore Deeper Frequencies (In-App Purchase) Go beyond 417 Hz! Unlock access to additional Solfeggio frequencies and explore their unique benefits. Discover the profound healing power of sound and experience your music on a whole new level. Ready to rediscover your music? Download 417 Player Plus today and experience music retuned for your soul. ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | All Frequencies | $99.99 | one-time | | Frequency - 741 Hz | $19.99 | one-time | | Frequency - 852 Hz | $19.99 | one-time | | Frequency - 285 Hz | $19.99 | one-time | | Frequency - 432 Hz | $19.99 | one-time | | Frequency - 528 Hz | $19.99 | one-time | | Frequency - 639 Hz | $19.99 | one-time | | Frequency - 963 Hz | $19.99 | one-time | | Frequency - 396 Hz | $19.99 | one-time | | Solfeggio Core Bundle | $59.99 | one-time | ## Version history (last 4 releases) ### 1.5.7 — 2026-07-14 Improved app performance ### 1.0.4 — 2025-07-06 + Music fetching bug fix + 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 417 Player Plus | App | Rating | Price | Category | | --- | --- | --- | --- | | [MOJAWAFit](https://appshunter.io/ios/app/mojawafit/id1594522144) | — | Free | Music | | [432Hz Player Radio](https://appshunter.io/ios/app/432hz-player-radio/id1479883396) | 2.5 (45) | Free | Music | | [528 Player](https://appshunter.io/ios/app/528-player/id1317604903) | 3.9 (92) | $5.99 | Music | | [Audius Music](https://appshunter.io/ios/app/audius-music/id1491270519) | 4.8 (2,516) | Free | Music | | [Tone Generator: Audio Sound Hz](https://appshunter.io/ios/app/tone-generator-audio-sound-hz/id1206449238) | 4.7 (2,583) | 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) - [174 Player Plus](https://appshunter.io/ios/app/174-player-plus/id6739762965) - [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.*