# App Lock vs 私密相册

The clearest difference is update cadence: 私密相册 at weekly against App Lock's every 2 months. 私密相册 also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. App Lock sells 3 in-app purchases, starting at $3.99 per month and 私密相册 sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

App Lock ships an update every 2 months, 私密相册 weekly. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | App Lock | 私密相册 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/app-lock-secure-folder/id6456267824/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 14 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chetna Nakrani](https://appshunter.io/developer/1680941411) | [永祥 程](https://appshunter.io/developer/1836971345) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-secure-folder/id6456267824)

This app offers a secure, offline solution for protecting your private photos, contacts, passwords, and notes. It prioritizes user privacy by keeping all data stored locally on your device without any internet connection or cloud synchronization.

**Highlights:** Offline photo and video vault, Contact backup and restore, Secure password manager, Encrypted notes storage, Local data storage only, Intuitive user interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Premium Version | $3.99 | per month |
| Upgrade Premium Version | $24.99 | per year |
| Upgrade Premium Version | $29.99 | one-time |


### 私密相册

[App page](https://appshunter.io/ios/app/id6754550190)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 私密相册-限时优惠 | $2.99 | per 7 days |
| 私密相册-特价回馈 | $3.99 | per month |
| 私密相册-历史低价 | $19.99 | per year |
| 私密相册永久解锁 | $24.99 | one-time |


## Frequently asked questions

### Is App Lock free?

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

### Is 私密相册 free?

私密相册 is free to download, with in-app purchases available.

### Do App Lock or 私密相册 have ads?

Neither App Lock nor 私密相册 shows ads.

### Which is updated more often, App Lock or 私密相册?

App Lock ships an update every 2 months, and 私密相册 weekly. Most recently, App Lock was updated on September 19, 2026 and 私密相册 on September 11, 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.*