# My Diary With Lock vs 404Log

The clearest difference is in-app purchases: 404Log at none against My Diary With Lock's 3. 404Log also leads on update cadence (every 8 days vs every 3 months) and review sentiment (100% vs 91%). My Diary With Lock's advantage is ratings volume (2K vs 19). On price, rating, ads and device support there is nothing between them.

Both are free to download. My Diary With Lock sells 3 in-app purchases, starting at $1.99 per month. 404Log asks for nothing beyond the download.

404Log holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: My Diary With Lock has 2K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 91% of My Diary With Lock's written reviews are positive against 100% of 404Log's.

My Diary With Lock ships an update every 3 months, 404Log every 8 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | My Diary With Lock | 404Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2K ratings)](https://appshunter.io/ios/app/my-diary-with-lock/id6737590485/reviews) | **[4.9 (19 ratings)](https://appshunter.io/ios/app/404log-crush-diary/id6742832199/reviews)** |
| Number of ratings | **2K** | 19 |
| Positive reviews | 91.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 33 MB | 70 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEETFIRE LIMITED](https://appshunter.io/developer/1861677709) | [Yoonjik Cho](https://appshunter.io/developer/1699502339) |

## What reviewers say

### My Diary With Lock

[App page](https://appshunter.io/ios/app/my-diary-with-lock/id6737590485)

This app provides a secure and private space to record daily thoughts, moods, and memories. It offers password protection, mood tracking with emotion icons, and a calendar view to revisit past entries. Customize your journal with various artistic styles.

**Highlights:** Password and Face ID protection, Mood tracking with emotion icons, Quick notes with photos and emojis, Calendar view for browsing entries, Customizable fonts, backgrounds, and covers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $1.99 | per month |
| Yearly VIP | $7.99 | per year |
| Lifetime VIP | $9.99 | one-time |

**What reviewers like**

- 👍 Cute and aesthetically pleasing design
- 🔒 Secure with password protection
- 💡 Ability to customize fonts and backgrounds
- 🚀 Fast and easy to use
- 👍 Helpful for journaling and note-taking

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 💡 Limited selection of journal cover options
- 🐛 Font settings not always retained
- 💡 Lack of backup and restore functionality

**Reported bugs**

- Submitted diary entries sometimes reset font settings
- Occasional data loss when switching devices

**Requested features**

- Add more journal cover options
- Implement backup and restore functionality
- Improve font customization options
- Introduce a dark mode theme


### 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


## Frequently asked questions

### Is My Diary With Lock free?

My Diary With Lock is free to download, with in-app purchases available.

### Is 404Log free?

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

### Which has better reviews, My Diary With Lock or 404Log?

404Log is rated higher. My Diary With Lock averages 4.7 out of 5 from 2K ratings, while 404Log averages 4.9 from 19 ratings.

### Do My Diary With Lock or 404Log have ads?

Neither My Diary With Lock nor 404Log shows ads.

### Which is updated more often, My Diary With Lock or 404Log?

My Diary With Lock ships an update every 3 months, and 404Log every 8 days. Most recently, My Diary With Lock was updated on October 30, 2026 and 404Log on October 30, 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.*