# 웨이브온 vs Sleep Sound

The clearest difference is ads: 웨이브온 at none against Sleep Sound's shown. 웨이브온 also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

웨이브온 ships an update every 2 weeks, Sleep Sound monthly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 웨이브온 | Sleep Sound |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 35 MB | 102 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [한밝음](https://appshunter.io/developer/1639485864) | [Twohas](https://appshunter.io/developer/1869669684) |

## What reviewers say

### 웨이브온

[App page](https://appshunter.io/ios/app/waveon/id6739133435)

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

**In-app purchases:** none


### Sleep Sound

[App page](https://appshunter.io/ios/app/sleep-sound/id6759000114)

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

**In-app purchases:** none


## Frequently asked questions

### Is 웨이브온 free?

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

### Is Sleep Sound free?

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

### Do 웨이브온 or Sleep Sound have ads?

Sleep Sound shows ads; 웨이브온 does not.

### Which is updated more often, 웨이브온 or Sleep Sound?

웨이브온 ships an update every 2 weeks, and Sleep Sound monthly. Most recently, 웨이브온 was updated on October 25, 2026 and Sleep Sound on October 31, 2026.

---

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