# 暗記シート vs 赤シート暗記アプリ

The clearest difference is in-app purchases: 暗記シート at none against 赤シート暗記アプリ's 4. 暗記シート also leads on update cadence (every 2 months vs every 16 months). 赤シート暗記アプリ's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price 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. 暗記シート asks for nothing beyond the download.

暗記シート ships an update every 2 months, 赤シート暗記アプリ every 16 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 暗記シート | 赤シート暗記アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 46.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 26 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shigeaki Harada](https://appshunter.io/developer/897400523) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### 暗記シート

[App page](https://appshunter.io/ios/app/fight/id1233490505)

Create your own flashcards by masking text from photos or camera input. This free app helps you memorize information through repetition and focused study sessions. Save and organize your study materials with custom categories and notes.

**Highlights:** Create flashcards from photos/camera, Mask and reveal text for memorization, Adjustable sheet and pen properties, Unlimited file saving, Categorize and organize study files, iCloud Drive integration

**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 暗記シート free?

暗記シート 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 暗記シート or 赤シート暗記アプリ have ads?

暗記シート shows ads; 赤シート暗記アプリ does not.

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

暗記シート ships an update every 2 months, and 赤シート暗記アプリ every 16 months. Most recently, 暗記シート was updated on October 24, 2026 and 赤シート暗記アプリ 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.*