# TextbookDojo vs 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ

The clearest difference is ads: 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ at none against TextbookDojo's shown. 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. TextbookDojo sells 3 in-app purchases, starting at $4.49 per month and 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ sells 2 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

TextbookDojo ships an update every 9 days, 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TextbookDojo | 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1556372079/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 40.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 102 MB | 35 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROBOBO, K.K.](https://appshunter.io/developer/1338822905) | [ar.inc](https://appshunter.io/developer/952211967) |

## What reviewers say

### 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 |


### 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ

[App page](https://appshunter.io/ios/app/id1556372079)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン・月プラン | $3.49 | per month |
| プレミアムプラン・年プラン | $25.49 | per year |


## Frequently asked questions

### Is TextbookDojo free?

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

### Is 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ free?

赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ is free to download, with in-app purchases available.

### Do TextbookDojo or 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ have ads?

TextbookDojo shows ads; 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ does not.

### Which is updated more often, TextbookDojo or 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ?

TextbookDojo ships an update every 9 days, and 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ every 2 weeks. Most recently, TextbookDojo was updated on November 2, 2026 and 赤シートで暗記｜暗記マーカーで問題作成できる暗記アプリ on November 3, 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.*