# Libry vs 無機化学

The clearest difference is review sentiment: 無機化学 at 98% against Libry's 12%. 無機化学 also leads on update cadence (every 2 days vs every 2 months). On price, ads, in-app purchases and device support 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, 無機化学 every 2 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Libry | 無機化学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1351078183/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 11.8% of reviews | **98.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 106 MB | 40 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Libry Inc.](https://appshunter.io/developer/1031867351) | [Hideki Touhara](https://appshunter.io/developer/1268738829) |

## 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


### 無機化学

[App page](https://appshunter.io/ios/app/id1351078183)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Libry free?

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

### Is 無機化学 free?

無機化学 is free to download, with no in-app purchases.

### Do Libry or 無機化学 have ads?

Neither Libry nor 無機化学 shows ads.

### Which is updated more often, Libry or 無機化学?

Libry ships an update every 2 months, and 無機化学 every 2 days. Most recently, Libry was updated on October 13, 2026 and 無機化学 on October 18, 2026.

---

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