# 素记日记, Diary, Mood Tracker vs OCUU

The clearest difference is in-app purchases: OCUU at none against 素记日记, Diary, Mood Tracker's 4. OCUU also leads on update cadence (every 4 days vs every 2 weeks). 素记日记, Diary, Mood Tracker's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 素记日记, Diary, Mood Tracker sells 4 in-app purchases, starting at $4.99 per month. OCUU asks for nothing beyond the download.

素记日记, Diary, Mood Tracker ships an update every 2 weeks, OCUU every 4 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 素记日记, Diary, Mood Tracker | OCUU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (54 ratings)](https://appshunter.io/ios/app/diary-mood-tracker/id6496847689/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 132 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [武杰 陈](https://appshunter.io/developer/1738026409) | [Hangzhou OCUU Cultural Technology Co., Ltd.](https://appshunter.io/developer/6783599125) |

## What reviewers say

### 素记日记, Diary, Mood Tracker

[App page](https://appshunter.io/ios/app/diary-mood-tracker/id6496847689)

A minimalist and elegant diary app with a vintage Chinese aesthetic. It allows users to record life's moments with rich fonts, custom backgrounds, and image support. Features include calendar overviews, search, cloud sync, and secure password protection.

**Highlights:** Multiple font options, Chinese-style stationery backgrounds, Insert images into entries, Calendar view of past entries, Keyword search for diaries, iCloud sync and backup, Password and biometric protection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 日记月度会员 | $4.99 | per month |
| 日记年度会员 | $9.99 | per year |
| 日记本-记录生活永久会员 | $14.99 | one-time |
| 日记永久会员 | $14.99 | one-time |


### OCUU

[App page](https://appshunter.io/ios/app/ocuu/id6812242838)

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

**In-app purchases:** none


## Frequently asked questions

### Is 素记日记, Diary, Mood Tracker free?

素记日记, Diary, Mood Tracker is free to download, with in-app purchases available.

### Is OCUU free?

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

### Do 素记日记, Diary, Mood Tracker or OCUU have ads?

Neither 素记日记, Diary, Mood Tracker nor OCUU shows ads.

### Which is updated more often, 素记日记, Diary, Mood Tracker or OCUU?

素记日记, Diary, Mood Tracker ships an update every 2 weeks, and OCUU every 4 days. Most recently, 素记日记, Diary, Mood Tracker was updated on October 30, 2026 and OCUU on November 6, 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.*