# U2plus (ユーツープラス) vs Shiro

The clearest difference is in-app purchases: Shiro at none against U2plus (ユーツープラス)'s 4. Shiro also leads on update cadence (weekly vs every 4 months). U2plus (ユーツープラス)'s advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. U2plus (ユーツープラス) sells 4 in-app purchases, starting at $2.99 per month. Shiro asks for nothing beyond the download.

U2plus (ユーツープラス) ships an update every 4 months, Shiro weekly. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | U2plus (ユーツープラス) | Shiro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Freemium | — |
| Size | 43 MB | 32 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kaiju Company](https://appshunter.io/developer/1577355612) | [yohaku株式会社](https://appshunter.io/developer/1868149580) |

## What reviewers say

### U2plus (ユーツープラス)

[App page](https://appshunter.io/ios/app/u2plus/id6756876262)

This app offers a quiet space for self-care, combining AI-powered cognitive behavioral therapy (CBT) with gentle encouragement. It allows users to track daily achievements, visualize negative thought patterns, and find alternative perspectives during difficult times, all within a safe, low-pressure environment.

**Highlights:** Daily achievement logging, Monthly pattern visualization, Alternative perspective finding, AI-powered support, Safe peer encouragement, Private user mode

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ライトプラン | $2.99 | per month |
| スタンダードプラン | $5.99 | per month |
| ライトプラン | $29.99 | per year |
| スタンダードプラン（年額） | $59.99 | per year |


### Shiro

[App page](https://appshunter.io/ios/app/shiro/id6757661846)

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

**In-app purchases:** none


## Frequently asked questions

### Is U2plus (ユーツープラス) free?

U2plus (ユーツープラス) is free to download, with in-app purchases available.

### Is Shiro free?

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

### Do U2plus (ユーツープラス) or Shiro have ads?

Shiro shows ads; U2plus (ユーツープラス) does not.

### Which is updated more often, U2plus (ユーツープラス) or Shiro?

U2plus (ユーツープラス) ships an update every 4 months, and Shiro weekly. Most recently, U2plus (ユーツープラス) was updated on September 17, 2026 and Shiro on September 11, 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.*