# 321 Diary vs My Diary

321 Diary and My Diary both sit at 4.6 stars, but that hides the real split: 100% of My Diary's written reviews are positive against 33% of 321 Diary's. My Diary also leads on update cadence (every 8 days vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 321 Diary sells 3 in-app purchases, starting at $2.99 per month and My Diary sells 4 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for 321 Diary against 4.7 for My Diary. Both are backed by a comparable volume of ratings — 52 and 134 respectively. Written reviews are what separate them: 33% of 321 Diary's written reviews are positive against 100% of My Diary's.

321 Diary ships an update every 3 months, My Diary every 8 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 321 Diary | My Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (52 ratings)](https://appshunter.io/ios/app/321-diary-journal-list/id1617429757/reviews) | **[4.7 (134 ratings)](https://appshunter.io/ios/app/my-diary-private-notes/id1621005308/reviews)** |
| Number of ratings | 52 | **134** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 47 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [楠 董](https://appshunter.io/developer/1597947766) | [晋荣 梁](https://appshunter.io/developer/1620342223) |

## What reviewers say

### 321 Diary

[App page](https://appshunter.io/ios/app/321-diary-journal-list/id1617429757)

This app helps you capture daily memories, track habits, and express your mood with a customizable interface and engaging features. It offers a digital space for journaling and personal growth, enhanced with decorative elements.

**Highlights:** Customizable entries, Mood calendar, Habit tracking with punch details, Page turning clock for habit formation, Exquisite sticker materials for journaling

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Quarterly subscription | $8.99 | per 3 months |
| Pro Version | $8.99 | one-time |


### My Diary

[App page](https://appshunter.io/ios/app/my-diary-private-notes/id1621005308)

This app serves as a digital notebook for recording daily life and creative thoughts. It offers powerful editing tools, customizable backgrounds, and a decision-making turntable to help with everyday choices. Enhance your entries with unique fonts and special effects.

**Highlights:** Journal editing with cute maps and pattern fonts, Decision turntable for daily choices, Brush function with Apple Pencil support, Theme special effects for vivid entries, Customizable stationery backgrounds

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $3.49 | per month |
| 季度订阅 | $7.49 | per 3 months |
| Year Version | $13.49 | per year |
| 永久会员 | $7.99 | one-time |


## Frequently asked questions

### Is 321 Diary free?

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

### Is My Diary free?

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

### Which has better reviews, 321 Diary or My Diary?

My Diary is rated higher. 321 Diary averages 4.6 out of 5 from 52 ratings, while My Diary averages 4.7 from 134 ratings.

### Do 321 Diary or My Diary have ads?

Both 321 Diary and My Diary show ads.

### Which is updated more often, 321 Diary or My Diary?

321 Diary ships an update every 3 months, and My Diary every 8 days. Most recently, 321 Diary was updated on October 6, 2026 and My Diary on October 2, 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.*