# コトアム vs XS Post Agent

コトアム and XS Post Agent are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

コトアム ships an update every 3 weeks, XS Post Agent fortnightly. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | コトアム | XS Post Agent |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 78 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [TOKYO DOME CORPORATION](https://appshunter.io/developer/1121904377) | [KAZUKI KANAZAWA](https://appshunter.io/developer/6799428085) |

## What reviewers say

### 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


### XS Post Agent

[App page](https://appshunter.io/ios/app/xs-post-agent/id6803389756)

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

**In-app purchases:** none


## Frequently asked questions

### Is コトアム free?

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

### Is XS Post Agent free?

XS Post Agent is free to download, with no in-app purchases.

### Do コトアム or XS Post Agent have ads?

Neither コトアム nor XS Post Agent shows ads.

### Which is updated more often, コトアム or XS Post Agent?

コトアム ships an update every 3 weeks, and XS Post Agent fortnightly. Most recently, コトアム was updated on October 5, 2026 and XS Post Agent on October 10, 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.*