# ニシキゴイ vs コトアム

The clearest difference is in-app purchases: コトアム at none against ニシキゴイ's 1. コトアム also leads on ads (none vs shown). ニシキゴイ's advantage is update cadence (every 4 days vs every 3 weeks). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. ニシキゴイ sells 1 in-app purchase, starting at $1.99 per month. コトアム asks for nothing beyond the download.

ニシキゴイ ships an update every 4 days, コトアム every 3 weeks. The most recent releases landed on July 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ニシキゴイ | コトアム |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sns/id1321285792/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **74.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 78 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Imajin Kawabe](https://appshunter.io/developer/1321285791) | [TOKYO DOME CORPORATION](https://appshunter.io/developer/1121904377) |

## What reviewers say

### ニシキゴイ

[App page](https://appshunter.io/ios/app/sns/id1321285792)

This app combines haiku poetry with photography, allowing users to express daily life through 17 syllables and images. Engage with others by sharing "okashi" (likes) and comments, and explore popular haiku through rankings. Features include customizable fonts, vertical text display, and a seasonal word dictionary.

**Highlights:** Haiku and photography integration, "Okashi" (like) button for interaction, Ranking of popular haiku, Comment functionality, Customizable fonts and vertical text, Seasonal word dictionary (Saijiki), Master/disciple follower system

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ニシキゴイサポーター | $1.99 | per month |


### 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 ニシキゴイ free?

ニシキゴイ is free to download, with in-app purchases available.

### Is コトアム free?

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

### Do ニシキゴイ or コトアム have ads?

ニシキゴイ shows ads; コトアム does not.

### Which is updated more often, ニシキゴイ or コトアム?

ニシキゴイ ships an update every 4 days, and コトアム every 3 weeks. Most recently, ニシキゴイ was updated on July 28, 2026 and コトアム on September 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.*