# AI Diary vs エモット

The clearest difference is review sentiment: エモット at 100% against AI Diary's 33%. エモット also leads on update cadence (every 4 days vs fortnightly). AI Diary's advantage is in-app purchases (none vs 5) and iOS requirement (12.0 vs 15.0). On price, ads and device support 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.

AI Diary ships an update fortnightly, エモット every 4 days. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AI Diary | エモット |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 27 MB | 138 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kazuhiro aonuma](https://appshunter.io/developer/839973346) | [Masaki Yokoi](https://appshunter.io/developer/1830789986) |

## What reviewers say

### AI Diary

[App page](https://appshunter.io/ios/app/ai-diary/id1493487805)

This simple diary app allows you to automatically analyze your written entries to track your moods. You can also manually input daily scores and easily edit or delete past entries. A search function helps you find specific memories.

**Highlights:** Automatic mood analysis, Manual daily score input, Easy diary editing, Swipe to delete entries, Search past diaries, Simple and intuitive interface

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AI Diary free?

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

### Is エモット free?

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

### Do AI Diary or エモット have ads?

Both AI Diary and エモット show ads.

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

AI Diary ships an update fortnightly, and エモット every 4 days. Most recently, AI Diary was updated on October 22, 2026 and エモット on October 28, 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.*