# WavePlayer vs RELAX WORLD MUSIC

The clearest difference is in-app purchases: WavePlayer at none against RELAX WORLD MUSIC's 2. WavePlayer also leads on iOS requirement (9.3 vs 13.0). RELAX WORLD MUSIC's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. RELAX WORLD MUSIC sells 2 in-app purchases, starting at $6.99 per month. WavePlayer asks for nothing beyond the download.

WavePlayer ships an update every 4 months, RELAX WORLD MUSIC every 6 weeks. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | WavePlayer | RELAX WORLD MUSIC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/waveplayer/id1190030508/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | **Free** | Freemium |
| Size | 14 MB | 65 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [studio-LEAF Inc.](https://appshunter.io/developer/1190030507) | [croix Co.,Ltd.](https://appshunter.io/developer/434127493) |

## What reviewers say

### WavePlayer

[App page](https://appshunter.io/ios/app/waveplayer/id1190030508)

This music player dynamically adjusts the rhythm of songs to match the user's movement, creating an immersive experience for activities like running. It aims to synchronize your pace with your music.

**Highlights:** Rhythm adjusts to user's movement, Synchronizes music BPM with running pace, Background playback support, Future pace assistance features planned, Future album/artist selection planned

**Features:** macOS Compatibility

**In-app purchases:** none


### RELAX WORLD MUSIC

[App page](https://appshunter.io/ios/app/relax-world-music/id1625288412)

This app offers a curated selection of music and ambient sounds designed to enhance relaxation and improve sleep quality. It provides scene-specific playlists, customizable soundscapes, and features that support a balanced daily rhythm for better rest.

**Highlights:** Scene-specific music playlists, Customizable ambient sound mixing, Healthcare data integration, Seasonal content updates, Simple, intuitive interface, Sleep timer and loop playback

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $6.99 | per month |
| 1 Year Premium | $57.99 | per year |


## Frequently asked questions

### Is WavePlayer free?

WavePlayer is free to download, with no in-app purchases.

### Is RELAX WORLD MUSIC free?

RELAX WORLD MUSIC is free to download, with in-app purchases available.

### Do WavePlayer or RELAX WORLD MUSIC have ads?

Neither WavePlayer nor RELAX WORLD MUSIC shows ads.

### Which is updated more often, WavePlayer or RELAX WORLD MUSIC?

WavePlayer ships an update every 4 months, and RELAX WORLD MUSIC every 6 weeks. Most recently, WavePlayer was updated on October 20, 2026 and RELAX WORLD MUSIC on October 30, 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.*