# RedSheetCamera vs 赤シート暗記アプリ

The clearest difference is device support: 赤シート暗記アプリ at 3 against RedSheetCamera's 1. 赤シート暗記アプリ also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. RedSheetCamera sells 1 one-off in-app purchase and 赤シート暗記アプリ sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

RedSheetCamera ships an update every 15 months, 赤シート暗記アプリ every 16 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | RedSheetCamera | 赤シート暗記アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 16 months |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 26 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [taishin miyamoto](https://appshunter.io/developer/1570395608) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### RedSheetCamera

[App page](https://appshunter.io/ios/app/redsheetcamera/id6451382182)

This study support app uses your camera to hide key information in your notes or textbooks. It then facilitates active recall practice to strengthen retention for exams, language learning, and certifications.

**Highlights:** Camera-based review of learning material, Adjustable information visibility, Uninterrupted study flow with simple controls, Supports consistent daily review, Active recall practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedSheetCamera - Remove Ads | $1.99 | one-time |


### 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 RedSheetCamera free?

RedSheetCamera is free to download, with in-app purchases available.

### 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 RedSheetCamera or 赤シート暗記アプリ have ads?

Neither RedSheetCamera nor 赤シート暗記アプリ shows ads.

### Which is updated more often, RedSheetCamera or 赤シート暗記アプリ?

RedSheetCamera ships an update every 15 months, and 赤シート暗記アプリ every 16 months. Most recently, RedSheetCamera was updated on October 24, 2026 and 赤シート暗記アプリ on October 24, 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.*