# えらたん vs ChiisanaDiary

The clearest difference is in-app purchases: えらたん at none against ChiisanaDiary's 2. えらたん also leads on iOS requirement (12.0 vs 16.6). ChiisanaDiary's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. ChiisanaDiary sells 2 in-app purchases, starting at $1.99 per month. えらたん asks for nothing beyond the download.

えらたん ships an update every 10 days, ChiisanaDiary fortnightly. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | えらたん | ChiisanaDiary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 41 MB | 52 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuuki Takahashi](https://appshunter.io/developer/1805499560) | [RYOGO KAWASAKI](https://appshunter.io/developer/1642839814) |

## What reviewers say

### えらたん

[App page](https://appshunter.io/ios/app/id6744003209)

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

**In-app purchases:** none


### ChiisanaDiary

[App page](https://appshunter.io/ios/app/chiisanadiary/id6747301988)

This app uses AI to offer sincere praise for your small daily accomplishments, helping to boost self-esteem and form positive habits. It focuses on celebrating every effort, no matter how minor, encouraging self-appreciation.

**Highlights:** AI-powered praise for daily efforts, Boosts self-esteem, Supports habit formation, Focuses on recording over continuity, Celebrates small victories, Non-critical and encouraging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Annual Plan | $19.99 | per year |


## Frequently asked questions

### Is えらたん free?

えらたん is free to download, with no in-app purchases.

### Is ChiisanaDiary free?

ChiisanaDiary is free to download, with in-app purchases available.

### Do えらたん or ChiisanaDiary have ads?

えらたん shows ads; ChiisanaDiary does not.

### Which is updated more often, えらたん or ChiisanaDiary?

えらたん ships an update every 10 days, and ChiisanaDiary fortnightly. Most recently, えらたん was updated on October 30, 2026 and ChiisanaDiary on November 8, 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.*