# きりはらの森 vs Libry

The clearest difference is review sentiment: きりはらの森 at 24% against Libry's 12%. きりはらの森 also leads on iOS requirement (6.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | きりはらの森 | Libry |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **23.5% of reviews** | 11.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 72 MB | 106 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KIRIHARA SHOTEN K.K.](https://appshunter.io/developer/634460327) | [Libry Inc.](https://appshunter.io/developer/1031867351) |

## What reviewers say

### きりはらの森

[App page](https://appshunter.io/ios/app/id948121125)

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is きりはらの森 free?

きりはらの森 is free to download, with no in-app purchases.

### Is Libry free?

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

### Do きりはらの森 or Libry have ads?

Neither きりはらの森 nor Libry shows ads.

### Which is updated more often, きりはらの森 or Libry?

きりはらの森 ships an update every 2 months, and Libry every 2 months. Most recently, きりはらの森 was updated on November 1, 2026 and Libry on November 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.*