# MBTI AI vs KnowMe (Simple Diary App)

The clearest difference is iOS requirement: KnowMe (Simple Diary App) at 13.0 against MBTI AI's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MBTI AI ships an update monthly, KnowMe (Simple Diary App) every 4 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MBTI AI | KnowMe (Simple Diary App) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 65 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hoseok kim](https://appshunter.io/developer/1534534563) | [Hojun Choi](https://appshunter.io/developer/1878642744) |

## What reviewers say

### MBTI AI

[App page](https://appshunter.io/ios/app/mbti-ai/id6744553350)

This AI-powered app analyzes your personality deeply using GPT technology. It intelligently derives your MBTI type based on your response patterns and choices, going beyond simple checklists.

**Highlights:** AI-powered personality analysis, GPT technology integration, MBTI type derivation, Response pattern analysis, Deep psychological insights

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

**In-app purchases:** none


### KnowMe (Simple Diary App)

[App page](https://appshunter.io/ios/app/knowme-simple-diary-app/id6759447208)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MBTI AI free?

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

### Is KnowMe (Simple Diary App) free?

KnowMe (Simple Diary App) is free to download, with no in-app purchases.

### Do MBTI AI or KnowMe (Simple Diary App) have ads?

Neither MBTI AI nor KnowMe (Simple Diary App) shows ads.

### Which is updated more often, MBTI AI or KnowMe (Simple Diary App)?

MBTI AI ships an update monthly, and KnowMe (Simple Diary App) every 4 weeks. Most recently, MBTI AI was updated on October 14, 2026 and KnowMe (Simple Diary App) on October 25, 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.*