# 404Log vs MBTI검사

The clearest difference is ads: 404Log at none against MBTI검사's shown. 404Log also leads on update cadence (every 8 days vs every 2 months). MBTI검사's advantage is iOS requirement (13.0 vs 15.0). 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.

404Log ships an update every 8 days, MBTI검사 every 2 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 404Log | MBTI검사 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (19 ratings)](https://appshunter.io/ios/app/404log-crush-diary/id6742832199/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 70 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoonjik Cho](https://appshunter.io/developer/1699502339) | [jihun o](https://appshunter.io/developer/1789056899) |

## What reviewers say

### 404Log

[App page](https://appshunter.io/ios/app/404log-crush-diary/id6742832199)

This app helps you track your emotions and analyze your romantic feelings over time. Log special moments, identify attraction signals, and review past crushes to understand your love life patterns. It's a personal space to reflect on your emotional journey.

**Highlights:** Love Frequency & Attraction Signals, Special Moments Calendar, Emotion Chart & Crush Trends, Ranking & Past Crush History, Reconnection Frequency, Relationship Mode Tracking

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

**In-app purchases:** none


### MBTI검사

[App page](https://appshunter.io/ios/app/mbti/id6782832181)

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

**In-app purchases:** none


## Frequently asked questions

### Is 404Log free?

404Log is free to download, with no in-app purchases.

### Is MBTI검사 free?

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

### Do 404Log or MBTI검사 have ads?

MBTI검사 shows ads; 404Log does not.

### Which is updated more often, 404Log or MBTI검사?

404Log ships an update every 8 days, and MBTI검사 every 2 months. Most recently, 404Log was updated on November 4, 2026 and MBTI검사 on October 31, 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.*