# Mybrary vs コトアム

The clearest difference is update cadence: Mybrary at weekly against コトアム's every 3 weeks. 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.

Mybrary ships an update weekly, コトアム every 3 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mybrary | コトアム |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 89 MB | 78 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Hikaru Sago](https://appshunter.io/developer/1826482215) | [TOKYO DOME CORPORATION](https://appshunter.io/developer/1121904377) |

## What reviewers say

### Mybrary

[App page](https://appshunter.io/ios/app/mybrary/id6483365441)

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

**In-app purchases:** none


### コトアム

[App page](https://appshunter.io/ios/app/id6526468549)

A quiet literary social network for crafting and reading short literary works like tanka, essays, and novels. Users can create personal "playlists" of favorite pieces, share their own creations, and discover new literary gems.

**Highlights:** Create and share short literary works, Curate personal "playlists" of favorite pieces, Discover popular and user-made playlists, Supports various genres including tanka, novels, and essays, Automatic vertical layout generation for writing, Share creations to X (formerly Twitter)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mybrary free?

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

### Is コトアム free?

コトアム is free to download, with no in-app purchases.

### Do Mybrary or コトアム have ads?

Neither Mybrary nor コトアム shows ads.

### Which is updated more often, Mybrary or コトアム?

Mybrary ships an update weekly, and コトアム every 3 weeks. Most recently, Mybrary was updated on October 18, 2026 and コトアム on October 24, 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.*