# カラクリBOOKS vs mekuru

The clearest difference is in-app purchases: カラクリBOOKS at none against mekuru's 2. カラクリBOOKS also leads on iOS requirement (12.0 vs 16.4). mekuru's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. mekuru sells 2 in-app purchases, starting at $3.99 per month. カラクリBOOKS asks for nothing beyond the download.

カラクリBOOKS ships an update every 2 months, mekuru every 3 days. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | カラクリBOOKS | mekuru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mekuru/id6792955764/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 82.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 184 MB | 56 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [潔 筒井](https://appshunter.io/developer/363096327) | [8ARMS, LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1823663836) |

## What reviewers say

### カラクリBOOKS

[App page](https://appshunter.io/ios/app/books/id1507097522)

**Features:** macOS Compatibility

**In-app purchases:** none


### mekuru

[App page](https://appshunter.io/ios/app/mekuru/id6792955764)

Experience the quiet companionship of reading paper books with others. This app creates a shared, silent space where reader avatars turn pages and indicate presence without direct interaction. Track your reading time and collect virtual book covers.

**Highlights:** Guest access, no sign-up needed, Join open or invite-only reading rooms, Silent page-turning indicators, Personal reading time tracking, Customizable reader avatars, Unlockable book cover art

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Owner | $3.99 | per month |
| Owner (Annual) | $39.90 | per year |


## Frequently asked questions

### Is カラクリBOOKS free?

カラクリBOOKS is free to download, with no in-app purchases.

### Is mekuru free?

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

### Do カラクリBOOKS or mekuru have ads?

Neither カラクリBOOKS nor mekuru shows ads.

### Which is updated more often, カラクリBOOKS or mekuru?

カラクリBOOKS ships an update every 2 months, and mekuru every 3 days. Most recently, カラクリBOOKS was updated on October 14, 2026 and mekuru on October 17, 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.*