# 极简密码本 vs Secret Diary

The clearest difference is rating: Secret Diary at 5.0 against 极简密码本's 2.0. Secret Diary also leads on ads (none vs shown) and device support (4 vs 2). 极简密码本's advantage is iOS requirement (12.1 vs 15). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. 极简密码本 sells 6 in-app purchases, starting at $0.99 per month and Secret Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Secret Diary holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 68% of 极简密码本's written reviews are positive against 70% of Secret Diary's.

极简密码本 ships an update every 2 months, Secret Diary every 3 months. The most recent releases landed on September 20, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | 极简密码本 | Secret Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/id1503644549/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/secret-diary-password-notes/id6445909382/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 68.2% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 117 MB | 66 MB |
| Requires iOS | **12.1** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Haoxin Technology Co., Ltd.](https://appshunter.io/developer/1489694807) | [伟 葛](https://appshunter.io/developer/1028908732) |

## What reviewers say

### 极简密码本

[App page](https://appshunter.io/ios/app/id1503644549)

Securely store and manage all your passwords in one place. This app offers encrypted storage, automatic synchronization, and features to prevent unauthorized access, ensuring your digital accounts remain private.

**Highlights:** Encrypted password storage, Account management and tracking, One-click password copy, Intrusion detection, App icon disguise, Automatic screen lock, iCloud synchronization

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $0.99 | per month |
| 连续包年会员 | $9.99 | per year |
| 月卡会员 | $1.99 | one-time |
| 季卡会员 | $3.99 | one-time |
| 年卡会员 | $14.99 | one-time |
| 永久会员 | $22.99 | one-time |


### Secret Diary

[App page](https://appshunter.io/ios/app/secret-diary-password-notes/id6445909382)

Securely record your daily life and protect your privacy with this easy-to-use digital journal. Customize entries with beautiful fonts and quickly find past notes using content search. It offers password protection for exclusive access.

**Highlights:** Password protection, Secure diary entries, Customizable fonts, Content search, User-friendly interface, Privacy protection

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is 极简密码本 free?

极简密码本 is free to download, with in-app purchases available.

### Is Secret Diary free?

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

### Which has better reviews, 极简密码本 or Secret Diary?

Secret Diary is rated higher. 极简密码本 averages 2.0 out of 5 from 1 ratings, while Secret Diary averages 5.0 from 1 ratings.

### Do 极简密码本 or Secret Diary have ads?

极简密码本 shows ads; Secret Diary does not.

### Which is updated more often, 极简密码本 or Secret Diary?

极简密码本 ships an update every 2 months, and Secret Diary every 3 months. Most recently, 极简密码本 was updated on September 20, 2026 and Secret Diary on August 23, 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.*