# 暗記シート vs TextbookDojo

The clearest difference is in-app purchases: 暗記シート at none against TextbookDojo's 3. TextbookDojo's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TextbookDojo sells 3 in-app purchases, starting at $4.49 per month. 暗記シート asks for nothing beyond the download.

暗記シート ships an update every 2 months, TextbookDojo every 9 days. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 暗記シート | TextbookDojo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 46.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 102 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shigeaki Harada](https://appshunter.io/developer/897400523) | [ROBOBO, K.K.](https://appshunter.io/developer/1338822905) |

## 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


### TextbookDojo

[App page](https://appshunter.io/ios/app/textbookdojo/id1338822906)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month payment | $4.49 | per month |
| 1 year payment | $19.99 | per year |
| プレミアム年払い（期間限定特別価格） | $19.99 | per year |


## 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 TextbookDojo free?

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

### Do 暗記シート or TextbookDojo have ads?

Both 暗記シート and TextbookDojo show ads.

### Which is updated more often, 暗記シート or TextbookDojo?

暗記シート ships an update every 2 months, and TextbookDojo every 9 days. Most recently, 暗記シート was updated on September 20, 2026 and TextbookDojo on June 1, 2026.

---

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