# 528 Player Plus — Retune 440 Hz to 528 Hz > Real-time 528 Hz frequency retuning for your music library. (iPhone/iPad app by SYQEL INC.) - Source: https://appshunter.io/ios/app/528-player-plus/id6739763108 (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: 1.00/5 from 2 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 15.6 · 79 MB - Languages: American English - Released: 2024-12-29 - Data updated: 2026-08-29 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/528-player-plus/id6739763108/reviews.md ## What is 528 Player Plus? What if your favorite music could sound and feel different — not by changing what you hear, but by shifting the frequency beneath it? 528 Player Plus retunes any song from your library to 528 Hz — the Solfeggio frequency associated with harmony, restoration, and the natural resonance of living systems — in real time, as it plays. No exports. No waiting. No audio files to manage. Just press play. HOW IT WORKS Most modern music is mastered at 440 Hz, the global standard tuning. 528 Player Plus shifts the playback frequency of your existing music library to 528 Hz on the fly — so every song you already love plays at this resonant frequency without altering your original files. WHAT YOU GET Real-time 528 Hz retuning of your full music library Clean, distraction-free player interface No subscriptions — pay once, own it forever Try free: retune up to 20 songs before unlocking $19.99 one-time unlock — no recurring charges, ever Works with your existing owned music files WHO IT'S FOR → Sound healers and frequency practitioners → Meditators and breathwork enthusiasts → Anyone curious about Solfeggio frequencies → Musicians exploring alternate tuning systems → People who want their music to feel different — not just sound different WHY 528 Hz? 528 Hz sits within the ancient Solfeggio scale — a set of tones used in sacred music across cultures for centuries. Modern researchers and sound practitioners have associated this frequency with feelings of clarity, calm, and coherence. Whether you approach it scientifically or intuitively, the experience speaks for itself. Try it with music you already know by heart. You may be surprised. FREE TO TRY. YOURS TO KEEP. Retune your first 20 songs completely free. When you're ready, a single $19.99 purchase unlocks unlimited listening — forever. No subscription. No renewal. No fine print. ## Key features - Real-time 528 Hz retuning - Supports entire music library - Distraction-free interface - One-time purchase unlock - Free trial for 20 songs ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlimited 528 Hz retuning forever. | $19.99 | one-time | | All Frequencies | $99.99 | one-time | | Frequency - 963 Hz | $19.99 | one-time | | Frequency - 285 Hz | $19.99 | one-time | | Frequency - 432 Hz | $19.99 | one-time | | Frequency - 396 Hz | $19.99 | one-time | | Frequency - 741 Hz | $19.99 | one-time | | Frequency - 174 Hz | $19.99 | one-time | | Solfeggio Core Bundle | $59.99 | one-time | | Frequency - 417 Hz | $19.99 | one-time | | Frequency - 639 Hz | $19.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/528-player-plus/id6739763108/reviews.md ### 1/5 — Still won’t open *2026-06-09* Dud ### 1/5 — Won’t Open *2026-04-19* I just paid $19 for this app and I can’t get it to stay open more than 2 seconds to even load it. No link to help either ## Frequently asked questions about 528 Player Plus ### Does 528 Player Plus have ads? No, 528 Player Plus does not contain advertisements. The app is free to try and offers a one-time purchase to unlock all features. ### How much does 528 Player Plus cost? 528 Player Plus is free to download and try, allowing you to retune up to 20 songs. A one-time purchase of $19.99 unlocks unlimited listening and all features permanently. ### What devices does 528 Player Plus support? 528 Player Plus is available for iPhone, iPad, and iPod devices, supporting iOS operating systems. ### How often is 528 Player Plus updated? The latest version, 1.5.7, was released on June 17, 2026. While specific update frequency isn't detailed, the app has seen recent updates. ### What is the age rating for 528 Player Plus? 528 Player Plus has an age rating of 4+, making it suitable for a wide range of users. ### Can I use my existing music files with 528 Player Plus? Yes, 528 Player Plus works with your existing owned music files. It retunes them to 528 Hz in real-time without altering the original audio files. ### What is the user sentiment for 528 Player Plus? Based on the provided data, 528 Player Plus has a rating of 1.0 stars from 2 ratings. This indicates a very low user satisfaction score. ### Does 528 Player Plus require a subscription? No, 528 Player Plus does not require a subscription. It offers a one-time purchase model, meaning you pay once to own the full version forever. ## Version history (last 5 releases) ### 1.5.7 — 2026-06-17 Improved app performance and CarPlay integration ### 1.5.6 — 2026-04-23 Improved app performance and CarPlay integration ### 1.2.0 — 2026-02-14 Improved app performance & stability ### 1.0.6 — 2026-02-10 Improved app performance & stability ### 1.0.4 — 2025-07-05 Added restore purchases & audio file retrieval bug fix. ## Apps similar to 528 Player Plus | App | Rating | Price | Category | | --- | --- | --- | --- | | [Pure Piano - Grand Piano App](https://appshunter.io/ios/app/pure-piano-grand-piano-app/id1336486618) | 4.8 (249) | $29.99 | Music | | [Pure Strings Instrument & AUv3](https://appshunter.io/ios/app/pure-strings-instrument-and-auv3/id6743003730) | 4.7 (51) | $29.99 | Music | | [Elpiano](https://appshunter.io/ios/app/elpiano/id6743630486) | 4.7 (3) | $14.99 | Music | | [Retune - 432 Hz Music Player](https://appshunter.io/ios/app/retune-432-hz-music-player/id6760601991) | 5.0 (1) | Free | Music | | [Lazyjot](https://appshunter.io/ios/app/lazyjot/id6756480533) | — | Free | Music | | [Beatix: DJ Mix & Beat Maker](https://appshunter.io/ios/app/beatix-dj-mix-and-beat-maker/id6760385827) | — | 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) - [285 Player Plus](https://appshunter.io/ios/app/285-player-plus/id6739763153) All apps by SYQEL INC: https://appshunter.io/developer/1671066431 ## Related topics [528 player plus](https://appshunter.io/ios/topics/528-player-plus) · [528](https://appshunter.io/ios/topics/528) · [528 player](https://appshunter.io/ios/topics/528-player) · [432 player plus](https://appshunter.io/ios/topics/432-player-plus) · [396 player plus](https://appshunter.io/ios/topics/396-player-plus) --- *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 2026-08-29.*