# 音声検品 vs ZaiCode

The clearest difference is update cadence: 音声検品 at every 6 weeks against ZaiCode's every 4 months. ZaiCode's advantage is iOS requirement (14.4 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 音声検品 sells 1 one-off in-app purchase and ZaiCode sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

音声検品 ships an update every 6 weeks, ZaiCode every 4 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 音声検品 | ZaiCode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Size | 6 MB | 11 MB |
| Requires iOS | 26.5 | **14.4** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KAZUTOSHI KINOSHITA](https://appshunter.io/developer/1148380017) | [barnet Inc.](https://appshunter.io/developer/1203142034) |

## What reviewers say

### 音声検品

[App page](https://appshunter.io/ios/app/id1163749796)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メール作成回数 | $0.99 | one-time |


### ZaiCode

[App page](https://appshunter.io/ios/app/zaicode/id1556809830)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZaiCodeサブスクリプション | $1.99 | per month |


## Frequently asked questions

### Is 音声検品 free?

音声検品 is free to download, with in-app purchases available.

### Is ZaiCode free?

ZaiCode is free to download, with in-app purchases available.

### Do 音声検品 or ZaiCode have ads?

Both 音声検品 and ZaiCode show ads.

### Which is updated more often, 音声検品 or ZaiCode?

音声検品 ships an update every 6 weeks, and ZaiCode every 4 months. Most recently, 音声検品 was updated on September 21, 2026 and ZaiCode on September 10, 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.*