# 相性診断 for ARASHI vs Info ST

The clearest difference is review sentiment: 相性診断 for ARASHI at 100% against Info ST's 50%. 相性診断 for ARASHI also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 相性診断 for ARASHI | Info ST |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 36 MB | 8 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Blackstar Co.,Ltd.](https://appshunter.io/developer/573181309) | [Kenichi Kawachi](https://appshunter.io/developer/1512629371) |

## What reviewers say

### 相性診断 for ARASHI

[App page](https://appshunter.io/ios/app/for-arashi/id1134815644)

This app analyzes your "love views" and "values" through simple questions to determine which member of the popular Japanese group Arashi you are most compatible with. Discover your closest match and explore new insights about yourself.

**Highlights:** Compatibility diagnosis with Arashi members, Analyzes love views and values, Identifies most similar member, Reveals most compatible member, Simple question-based diagnosis, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Info ST

[App page](https://appshunter.io/ios/app/info-st/id1548111535)

Stay updated with the latest news and updates about your favorite pop idol group and its members. Save articles for later and organize your favorite content. You can also create personal logs to cherish memories with the artists.

**Highlights:** News for group and individual members, Favorite articles, Offline favorite reading, Search articles, Personal memory log

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 相性診断 for ARASHI free?

相性診断 for ARASHI is free to download, with no in-app purchases.

### Is Info ST free?

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

### Do 相性診断 for ARASHI or Info ST have ads?

Info ST shows ads; 相性診断 for ARASHI does not.

### Which is updated more often, 相性診断 for ARASHI or Info ST?

相性診断 for ARASHI ships an update monthly, and Info ST monthly. Most recently, 相性診断 for ARASHI was updated on October 21, 2026 and Info ST on October 24, 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.*