# エモット vs AI Diary

The clearest difference is in-app purchases: AI Diary at none against エモット's 5. エモット's advantage is update cadence (every 4 days vs every 9 days) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. エモット sells 5 in-app purchases, starting at $1.99 per month. AI Diary asks for nothing beyond the download.

エモット ships an update every 4 days, AI Diary every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | エモット | AI Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 138 MB | 77 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Yokoi](https://appshunter.io/developer/1830789986) | [プロフェッショナルエフェクト](https://appshunter.io/developer/1869519100) |

## What reviewers say

### エモット

[App page](https://appshunter.io/ios/app/id6749499375)

This app helps you record your daily thoughts and emotions with a friendly otter companion. It offers simple ways to log your mood, review your past entries, and visualize your emotional patterns. Premium features include ad-free use and weekly reflection letters.

**Highlights:** Journaling with otter companion, One-tap mood logging, Review past entries, Visualize emotional patterns, Weekly reflection letters (premium), Ad-free experience (premium)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per month |
| プレミアムプラン（月額） | $3.99 | per month |
| プレミアムプラン（月額） | $5.99 | per month |
| プレミアムプラン（年額） | $22.99 | per year |
| プレミアム（年額） | $29.99 | per year |


### AI Diary

[App page](https://appshunter.io/ios/app/ai-diary/id6757905313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is エモット free?

エモット is free to download, with in-app purchases available.

### Is AI Diary free?

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

### Do エモット or AI Diary have ads?

Both エモット and AI Diary show ads.

### Which is updated more often, エモット or AI Diary?

エモット ships an update every 4 days, and AI Diary every 9 days. Most recently, エモット was updated on October 30, 2026 and AI Diary on October 31, 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.*