# Dr.Enneagram 九型人格測驗 vs KnowSelf

The clearest difference is in-app purchases: Dr.Enneagram 九型人格測驗 at none against KnowSelf's 1. Dr.Enneagram 九型人格測驗 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). KnowSelf's advantage is update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. KnowSelf sells 1 one-off in-app purchase. Dr.Enneagram 九型人格測驗 asks for nothing beyond the download.

Dr.Enneagram 九型人格測驗 ships an update every 3 months, KnowSelf monthly. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Dr.Enneagram 九型人格測驗 | KnowSelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (37 ratings)](https://appshunter.io/ios/app/knowself-personality-and-mood/id1663497226/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 57.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 87 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [YAO-HSU LI](https://appshunter.io/developer/1071012275) | [Baofeng County Jixu Education Information Consulting Co., Ltd.](https://appshunter.io/developer/1298441489) |

## What reviewers say

### Dr.Enneagram 九型人格測驗

[App page](https://appshunter.io/ios/app/drenneagram/id1107375673)

**Features:** macOS Compatibility

**In-app purchases:** none


### KnowSelf

[App page](https://appshunter.io/ios/app/knowself-personality-and-mood/id1663497226)

Discover your unique strengths and enhance self-awareness with a professional psychological assessment tool. This app utilizes a refined question bank based on established psychological theories to help you understand your personality type.

**Highlights:** Professional psychological assessment, Refined 6-option question bank, Enhance self-awareness, Discover unique strengths, Based on MBTI theory, Career and love match insights

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MBTI Report Pro Version | $1.99 | one-time |


## Frequently asked questions

### Is Dr.Enneagram 九型人格測驗 free?

Dr.Enneagram 九型人格測驗 is free to download, with no in-app purchases.

### Is KnowSelf free?

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

### Do Dr.Enneagram 九型人格測驗 or KnowSelf have ads?

KnowSelf shows ads; Dr.Enneagram 九型人格測驗 does not.

### Which is updated more often, Dr.Enneagram 九型人格測驗 or KnowSelf?

Dr.Enneagram 九型人格測驗 ships an update every 3 months, and KnowSelf monthly. Most recently, Dr.Enneagram 九型人格測驗 was updated on October 29, 2026 and KnowSelf on November 3, 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.*