# アプリde古文単語 vs 情報Ｉ｜アシストシステム

The clearest difference is in-app purchases: アプリde古文単語 at none against 情報Ｉ｜アシストシステム's 1. アプリde古文単語 also leads on iOS requirement (13.0 vs 15.0). 情報Ｉ｜アシストシステム's advantage is update cadence (monthly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. 情報Ｉ｜アシストシステム sells 1 one-off in-app purchase. アプリde古文単語 asks for nothing beyond the download.

アプリde古文単語 ships an update every 4 months, 情報Ｉ｜アシストシステム monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | アプリde古文単語 | 情報Ｉ｜アシストシステム |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Size | 9 MB | 200 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fumihiko Shigemori](https://appshunter.io/developer/1682624268) | [Tsuyoshi Hayakawa](https://appshunter.io/developer/314516929) |

## What reviewers say

### アプリde古文単語

[App page](https://appshunter.io/ios/app/de/id6447777219)

**Features:** macOS Compatibility

**In-app purchases:** none


### 情報Ｉ｜アシストシステム

[App page](https://appshunter.io/ios/app/id6553995227)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 問題・解説追加 | $2.99 | one-time |


## Frequently asked questions

### Is アプリde古文単語 free?

アプリde古文単語 is free to download, with no in-app purchases.

### Is 情報Ｉ｜アシストシステム free?

情報Ｉ｜アシストシステム is free to download, with in-app purchases available.

### Do アプリde古文単語 or 情報Ｉ｜アシストシステム have ads?

Both アプリde古文単語 and 情報Ｉ｜アシストシステム show ads.

### Which is updated more often, アプリde古文単語 or 情報Ｉ｜アシストシステム?

アプリde古文単語 ships an update every 4 months, and 情報Ｉ｜アシストシステム monthly. Most recently, アプリde古文単語 was updated on October 25, 2026 and 情報Ｉ｜アシストシステム on October 25, 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.*