# System Sound vs AUDIO Cu

The clearest difference is ads: AUDIO Cu at none against System Sound's shown. 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | System Sound | AUDIO Cu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 36 MB | 23 MB |
| Requires iOS | 15.8.3 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Fasetto, Inc.](https://appshunter.io/developer/1498099412) |

## What reviewers say

### System Sound

[App page](https://appshunter.io/ios/app/system-sound/id6504702118)

**Features:** macOS Compatibility

**In-app purchases:** none


### AUDIO Cu

[App page](https://appshunter.io/ios/app/audio-cu/id6670567684)

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

**In-app purchases:** none


## Frequently asked questions

### Is System Sound free?

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

### Is AUDIO Cu free?

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

### Do System Sound or AUDIO Cu have ads?

System Sound shows ads; AUDIO Cu does not.

### Which is updated more often, System Sound or AUDIO Cu?

System Sound ships an update every 2 weeks, and AUDIO Cu every 2 weeks. Most recently, System Sound was updated on October 3, 2026 and AUDIO Cu on October 8, 2026.

---

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