# 528 Player Plus vs Musicbox for Dropbox

The clearest difference is in-app purchases: Musicbox for Dropbox at none against 528 Player Plus's 10. 528 Player Plus's advantage is update cadence (every 2 months vs every 10 months) and iOS requirement (15.6 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. 528 Player Plus sells 10 one-off in-app purchases. Musicbox for Dropbox asks for nothing beyond the download.

528 Player Plus ships an update every 2 months, Musicbox for Dropbox every 10 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 528 Player Plus | Musicbox for Dropbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/528-player-plus/id6739763108/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 13 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SYQEL INC](https://appshunter.io/developer/1671066431) | [Brandon Michael Smith](https://appshunter.io/developer/1847979654) |

## What reviewers say

### 528 Player Plus

[App page](https://appshunter.io/ios/app/528-player-plus/id6739763108)

This app retunes your entire music library to the 528 Hz Solfeggio frequency in real-time. Experience your favorite songs with a new sense of harmony and restoration without altering original files. A free trial is available before a one-time purchase unlocks unlimited listening.

**Highlights:** Real-time 528 Hz retuning, Supports entire music library, Distraction-free interface, One-time purchase unlock, Free trial for 20 songs

**Features:** Family Sharing, Siri integration

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited 528 Hz retuning forever. | $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 |
| Frequency - 417 Hz | $19.99 | one-time |
| Frequency - 639 Hz | $19.99 | one-time |
| Solfeggio Core Bundle | $59.99 | one-time |
| All Frequencies | $99.99 | one-time |


### Musicbox for Dropbox

[App page](https://appshunter.io/ios/app/musicbox-for-dropbox/id6754344767)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 528 Player Plus free?

528 Player Plus is free to download, with in-app purchases available.

### Is Musicbox for Dropbox free?

Musicbox for Dropbox is free to download, with no in-app purchases.

### Do 528 Player Plus or Musicbox for Dropbox have ads?

Neither 528 Player Plus nor Musicbox for Dropbox shows ads.

### Which is updated more often, 528 Player Plus or Musicbox for Dropbox?

528 Player Plus ships an update every 2 months, and Musicbox for Dropbox every 10 months. Most recently, 528 Player Plus was updated on October 30, 2026 and Musicbox for Dropbox on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*