# Libry vs エスビューア

The clearest difference is device support: Libry at 3 against エスビューア's 1. エスビューア's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Libry ships an update every 2 months, エスビューア every 3 months. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Libry | エスビューア |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.8% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 106 MB | 52 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Libry Inc.](https://appshunter.io/developer/1031867351) | [Suken Shuppan K.K.](https://appshunter.io/developer/611090511) |

## 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


### エスビューア

[App page](https://appshunter.io/ios/app/id1555408904)

**In-app purchases:** none


## Frequently asked questions

### Is Libry free?

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

### Is エスビューア free?

エスビューア is free to download, with no in-app purchases.

### Do Libry or エスビューア have ads?

Neither Libry nor エスビューア shows ads.

### Which is updated more often, Libry or エスビューア?

Libry ships an update every 2 months, and エスビューア every 3 months. Most recently, Libry was updated on October 26, 2026 and エスビューア on October 16, 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.*