# 8 Types ：8項目の性格診断 vs 16タイプ診断

The clearest difference is ads: 16タイプ診断 at none against 8 Types ：8項目の性格診断's shown. 16タイプ診断 also leads on update cadence (monthly vs every 2 months). 8 Types ：8項目の性格診断's advantage is iOS requirement (12.0 vs 17.4). On price, 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.

8 Types ：8項目の性格診断 ships an update every 2 months, 16タイプ診断 monthly. The most recent releases landed on September 15, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | 8 Types ：8項目の性格診断 | 16タイプ診断 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 52 MB | 6 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Sae Ueno](https://appshunter.io/developer/1598709865) | [Takumi Yoshikoshi](https://appshunter.io/developer/1655689141) |

## What reviewers say

### 8 Types ：8項目の性格診断

[App page](https://appshunter.io/ios/app/8-types-8/id1603334014)

**Features:** macOS Compatibility

**In-app purchases:** none


### 16タイプ診断

[App page](https://appshunter.io/ios/app/16/id6621240539)

Discover your personality through a 16-type assessment. Get detailed analysis, identify strengths and weaknesses, and receive advice for personal growth and relationships. Start your self-discovery journey for free.

**Highlights:** 16 personality type assessment, Detailed personality analysis, Identify strengths and weaknesses, Relationship insights, Personal growth advice, Quick and easy questionnaire

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 8 Types ：8項目の性格診断 free?

8 Types ：8項目の性格診断 is free to download, with no in-app purchases.

### Is 16タイプ診断 free?

16タイプ診断 is free to download, with no in-app purchases.

### Do 8 Types ：8項目の性格診断 or 16タイプ診断 have ads?

8 Types ：8項目の性格診断 shows ads; 16タイプ診断 does not.

### Which is updated more often, 8 Types ：8項目の性格診断 or 16タイプ診断?

8 Types ：8項目の性格診断 ships an update every 2 months, and 16タイプ診断 monthly. Most recently, 8 Types ：8項目の性格診断 was updated on September 15, 2026 and 16タイプ診断 on June 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.*