# 電気系資格 統合版 vs ZaiCode

The clearest difference is price: ZaiCode at Free against 電気系資格 統合版's $4.99. ZaiCode also leads on update cadence (every 4 months vs every 29 months). 電気系資格 統合版's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

ZaiCode is free to download; 電気系資格 統合版 costs $4.99 up front. ZaiCode sells 1 in-app purchase, starting at $1.99 per month. 電気系資格 統合版 asks for nothing beyond the download.

電気系資格 統合版 ships an update every 29 months, ZaiCode every 4 months. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 電気系資格 統合版 | ZaiCode |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 4 months** |
| Size | 73 MB | 11 MB |
| Requires iOS | 15.0 | **14.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [harada keiko](https://appshunter.io/developer/1457179049) | [barnet Inc.](https://appshunter.io/developer/1203142034) |

## What reviewers say

### 電気系資格 統合版

[App page](https://appshunter.io/ios/app/id1479263441)

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

**In-app purchases:** none


### 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 電気系資格 統合版 free?

電気系資格 統合版 costs $4.99, with no in-app purchases.

### Is ZaiCode free?

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

### Do 電気系資格 統合版 or ZaiCode have ads?

ZaiCode shows ads; 電気系資格 統合版 does not.

### Which is updated more often, 電気系資格 統合版 or ZaiCode?

電気系資格 統合版 ships an update every 29 months, and ZaiCode every 4 months. Most recently, 電気系資格 統合版 was updated on October 8, 2026 and ZaiCode on September 29, 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.*