# PACIFICOOL vs CZI Sound

The clearest difference is update cadence: PACIFICOOL at every 4 weeks against CZI Sound's every 8 months. PACIFICOOL also leads on iOS requirement (11.2 vs 13.0). On price, ads, 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.

PACIFICOOL ships an update every 4 weeks, CZI Sound every 8 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PACIFICOOL | CZI Sound |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 8 months |
| Size | 53 MB | 64 MB |
| Requires iOS | **11.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou Seitek Co., Ltd](https://appshunter.io/developer/1329632169) | [Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd.](https://appshunter.io/developer/1675437495) |

## What reviewers say

### PACIFICOOL

[App page](https://appshunter.io/ios/app/pacificool/id1478682849)

**Features:** macOS Compatibility

**In-app purchases:** none


### CZI Sound

[App page](https://appshunter.io/ios/app/czi-sound/id6446013579)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PACIFICOOL free?

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

### Is CZI Sound free?

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

### Do PACIFICOOL or CZI Sound have ads?

Neither PACIFICOOL nor CZI Sound shows ads.

### Which is updated more often, PACIFICOOL or CZI Sound?

PACIFICOOL ships an update every 4 weeks, and CZI Sound every 8 months. Most recently, PACIFICOOL was updated on October 1, 2026 and CZI Sound on October 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.*