# Libry 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 in-app purchases: Libry at none against 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's 2. 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's advantage is review sentiment (40% vs 12%) and update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 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. Libry asks for nothing beyond the download.

Libry ships an update every 2 months, 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 October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Libry | 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 | 11.8% of reviews | **40.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 106 MB | 35 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Libry Inc.](https://appshunter.io/developer/1031867351) | [ar.inc](https://appshunter.io/developer/952211967) |

## What reviewers say

### Libry

[App page](https://appshunter.io/ios/app/libry/id1147557530)

Transform your physical study materials into digital interactive lessons. This app analyzes your learning patterns to recommend challenging and forgettable questions, offering personalized study support. It allows you to search for specific problems and track your progress.

**Highlights:** Digital textbook viewer, Review forgotten questions, Practice difficult questions, Search problems by keyword, Track favorite and incorrect answers, Learning history

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Libry free?

Libry is free to download, with no in-app purchases.

### 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 Libry 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?

Neither Libry nor 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 shows ads.

### Which is updated more often, Libry 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?

Libry ships an update every 2 months, 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, Libry was updated on October 13, 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 October 6, 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.*