# 共テのための高校情報I vs 情報マスター

The clearest difference is in-app purchases: 情報マスター at none against 共テのための高校情報I's 1. 情報マスター also leads on ads (none vs shown). 共テのための高校情報I's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price and update cadence there is nothing between them.

Both are free to download. 共テのための高校情報I sells 1 one-off in-app purchase. 情報マスター asks for nothing beyond the download.

共テのための高校情報I ships an update every 2 weeks, 情報マスター weekly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 共テのための高校情報I | 情報マスター |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 12 MB | 28 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TomatoAppLab](https://appshunter.io/developer/1676711750) | [ryo otsuka](https://appshunter.io/developer/6788628020) |

## What reviewers say

### 共テのための高校情報I

[App page](https://appshunter.io/ios/app/i/id6752214850)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アプリ内の広告を消す | $1.99 | one-time |


### 情報マスター

[App page](https://appshunter.io/ios/app/id6818530141)

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

**In-app purchases:** none


## Frequently asked questions

### Is 共テのための高校情報I free?

共テのための高校情報I is free to download, with in-app purchases available.

### Is 情報マスター free?

情報マスター is free to download, with no in-app purchases.

### Do 共テのための高校情報I or 情報マスター have ads?

共テのための高校情報I shows ads; 情報マスター does not.

### Which is updated more often, 共テのための高校情報I or 情報マスター?

共テのための高校情報I ships an update every 2 weeks, and 情報マスター weekly. Most recently, 共テのための高校情報I was updated on October 14, 2026 and 情報マスター on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*