# 喵喵密码 vs LeftRightDiary

The clearest difference is in-app purchases: 喵喵密码 at none against LeftRightDiary's 3. 喵喵密码 also leads on iOS requirement (9.0 vs 15.0). LeftRightDiary's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. LeftRightDiary sells 3 one-off in-app purchases. 喵喵密码 asks for nothing beyond the download.

喵喵密码 ships an update every 2 months, LeftRightDiary monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 喵喵密码 | LeftRightDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/leftrightdiary/id6744639565/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 80 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [颖 陈](https://appshunter.io/developer/1534872314) | [候军 袁](https://appshunter.io/developer/1649023261) |

## What reviewers say

### 喵喵密码

[App page](https://appshunter.io/ios/app/id1534873554)

**Features:** macOS Compatibility

**In-app purchases:** none


### LeftRightDiary

[App page](https://appshunter.io/ios/app/leftrightdiary/id6744639565)

This app allows you to record life's moments using text and images, with support for Markdown editing. It prioritizes privacy by storing all data locally on your device and offers various ways to review past entries.

**Highlights:** Markdown and Rich Text editing, Mixed text and image layout, Heatmap and Calendar views, Random memory recall, Local data storage, WebDAV and Alibaba Cloud Disk sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to PRO | $3.99 | one-time |
| 请作者吃大餐 | $9.99 | one-time |
| 大力支持 | $29.99 | one-time |


## Frequently asked questions

### Is 喵喵密码 free?

喵喵密码 is free to download, with no in-app purchases.

### Is LeftRightDiary free?

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

### Do 喵喵密码 or LeftRightDiary have ads?

Neither 喵喵密码 nor LeftRightDiary shows ads.

### Which is updated more often, 喵喵密码 or LeftRightDiary?

喵喵密码 ships an update every 2 months, and LeftRightDiary monthly. Most recently, 喵喵密码 was updated on October 25, 2026 and LeftRightDiary on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*