# 情報Ｉ｜アシストシステム vs 情報Iイレブン

The clearest difference is ads: 情報Iイレブン at none against 情報Ｉ｜アシストシステム's shown. 情報Iイレブン also leads on update cadence (weekly vs monthly). 情報Ｉ｜アシストシステム's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases 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 and 情報Iイレブン sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

情報Ｉ｜アシストシステム ships an update monthly, 情報Iイレブン weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 情報Ｉ｜アシストシステム | 情報Iイレブン |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Size | 200 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Hayakawa](https://appshunter.io/developer/314516929) | [TAKAHIKO SOMA](https://appshunter.io/developer/6793002000) |

## What reviewers say

### 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 |


### 情報Iイレブン

[App page](https://appshunter.io/ios/app/i/id6800539242)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全機能アンロック | $3.99 | one-time |


## Frequently asked questions

### 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.

### Is 情報Iイレブン free?

情報Iイレブン is free to download, with in-app purchases available.

### Do 情報Ｉ｜アシストシステム or 情報Iイレブン have ads?

情報Ｉ｜アシストシステム shows ads; 情報Iイレブン does not.

### Which is updated more often, 情報Ｉ｜アシストシステム or 情報Iイレブン?

情報Ｉ｜アシストシステム ships an update monthly, and 情報Iイレブン weekly. Most recently, 情報Ｉ｜アシストシステム was updated on November 4, 2026 and 情報Iイレブン on October 31, 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.*