# スマホで赤シート vs 赤シート暗記アプリ

The clearest difference is in-app purchases: スマホで赤シート at none against 赤シート暗記アプリ's 4. スマホで赤シート also leads on update cadence (daily vs every 16 months). 赤シート暗記アプリ's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 赤シート暗記アプリ sells 4 in-app purchases, starting at $0.99 per month. スマホで赤シート asks for nothing beyond the download.

スマホで赤シート ships an update daily, 赤シート暗記アプリ every 16 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | スマホで赤シート | 赤シート暗記アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 16 months |
| Size | 3 MB | 26 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Shibata](https://appshunter.io/developer/1791551970) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### スマホで赤シート

[App page](https://appshunter.io/ios/app/id6468587251)

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

**In-app purchases:** none


### 赤シート暗記アプリ

[App page](https://appshunter.io/ios/app/pdf-akashi/id6468978321)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム月額プラン | $0.99 | per month |
| プレミアム3ヶ月プラン | $2.99 | per 3 months |
| プレミアム 6ヶ月プラン | $5.99 | per 6 months |
| PDF機能 | $0.99 | one-time |


## Frequently asked questions

### Is スマホで赤シート free?

スマホで赤シート is free to download, with no in-app purchases.

### Is 赤シート暗記アプリ free?

赤シート暗記アプリ is free to download, with in-app purchases available.

### Do スマホで赤シート or 赤シート暗記アプリ have ads?

Neither スマホで赤シート nor 赤シート暗記アプリ shows ads.

### Which is updated more often, スマホで赤シート or 赤シート暗記アプリ?

スマホで赤シート ships an update daily, and 赤シート暗記アプリ every 16 months. Most recently, スマホで赤シート was updated on October 14, 2026 and 赤シート暗記アプリ on October 7, 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.*