# 密码保险箱 vs 密码簿PRO

The clearest difference is in-app purchases: 密码保险箱 at none against 密码簿PRO's 4. 密码保险箱 also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (11.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 密码簿PRO sells 4 in-app purchases, starting at $0.99 per 7 days. 密码保险箱 asks for nothing beyond the download.

密码保险箱 ships an update every 2 days, 密码簿PRO fortnightly. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 密码保险箱 | 密码簿PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 12 MB | 5 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [小惯 凌](https://appshunter.io/developer/1473240579) | [Chongqing GunMu Technology Co., Ltd](https://appshunter.io/developer/1826536114) |

## What reviewers say

### 密码保险箱

[App page](https://appshunter.io/ios/app/id1532243859)

**In-app purchases:** none


### 密码簿PRO

[App page](https://appshunter.io/ios/app/pro/id6748607422)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week sponsored membership | $0.99 | per 7 days |
| 30-day sponsored membership | $2.99 | per month |
| Annual Sponsorship Member | $4.99 | per year |
| 1-yearVIP(family sharing) | $6.99 | per year |


## Frequently asked questions

### Is 密码保险箱 free?

密码保险箱 is free to download, with no in-app purchases.

### Is 密码簿PRO free?

密码簿PRO is free to download, with in-app purchases available.

### Do 密码保险箱 or 密码簿PRO have ads?

Neither 密码保险箱 nor 密码簿PRO shows ads.

### Which is updated more often, 密码保险箱 or 密码簿PRO?

密码保险箱 ships an update every 2 days, and 密码簿PRO fortnightly. Most recently, 密码保险箱 was updated on October 27, 2026 and 密码簿PRO on October 10, 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.*