# 通関士試験対策アプリ vs 貿易実務C級対策

The clearest difference is price: 通関士試験対策アプリ at Free against 貿易実務C級対策's $4.99. 通関士試験対策アプリ also leads on update cadence (fortnightly vs every 2 months). 貿易実務C級対策's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

通関士試験対策アプリ is free to download; 貿易実務C級対策 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

通関士試験対策アプリ ships an update fortnightly, 貿易実務C級対策 every 2 months. The most recent releases landed on October 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 通関士試験対策アプリ | 貿易実務C級対策 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 55 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NAOTO YOSHIDA](https://appshunter.io/developer/1883426913) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### 通関士試験対策アプリ

[App page](https://appshunter.io/ios/app/ysg/id6760242877)

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

**In-app purchases:** none


### 貿易実務C級対策

[App page](https://appshunter.io/ios/app/c/id6769846298)

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

**In-app purchases:** none


## Frequently asked questions

### Is 通関士試験対策アプリ free?

通関士試験対策アプリ is free to download, with no in-app purchases.

### Is 貿易実務C級対策 free?

貿易実務C級対策 costs $4.99, with no in-app purchases.

### Do 通関士試験対策アプリ or 貿易実務C級対策 have ads?

通関士試験対策アプリ shows ads; 貿易実務C級対策 does not.

### Which is updated more often, 通関士試験対策アプリ or 貿易実務C級対策?

通関士試験対策アプリ ships an update fortnightly, and 貿易実務C級対策 every 2 months. Most recently, 通関士試験対策アプリ was updated on October 9, 2026 and 貿易実務C級対策 on September 21, 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.*