# 应用锁+ vs 图片压缩

The clearest difference is in-app purchases: 图片压缩 at none against 应用锁+'s 1. 应用锁+'s advantage is update cadence (every 8 days vs every 10 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 应用锁+ sells 1 one-off in-app purchase. 图片压缩 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 应用锁+ against 5.0 for 图片压缩. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

应用锁+ ships an update every 8 days, 图片压缩 every 10 months. The most recent releases landed on October 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 应用锁+ | 图片压缩 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/plus/id6498628007/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/id6503405460/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 13 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [衍杰 王](https://appshunter.io/developer/1741449420) | [上海勋鸿文化传播有限公司](https://appshunter.io/developer/1530349358) |

## What reviewers say

### 应用锁+

[App page](https://appshunter.io/ios/app/plus/id6498628007)

This utility app enhances privacy by locking applications, preventing unauthorized deletions or installations, and safeguarding sensitive data. It offers features like a private photo vault, secure contacts, and a private browser, with multiple password protection options for comprehensive security.

**Highlights:** App locking with password protection, Prevent app deletion and installation, Private photo, video, and file vault, Secure private contacts and browser, Multiple password and biometric security, Calculator disguise for privacy

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久VIP | $0.99 | one-time |


### 图片压缩

[App page](https://appshunter.io/ios/app/id6503405460)

This utility tool allows you to compress images to a specific KB size, perfect for various online platforms. It supports batch compression and automatically organizes saved images into a dedicated album for easy management. Continuous updates are planned.

**Highlights:** Compress images to target KB size, Batch compression, Automatic album creation for saved images, Easy image management, Continuous feature updates

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

**In-app purchases:** none


## Frequently asked questions

### Is 应用锁+ free?

应用锁+ is free to download, with in-app purchases available.

### Is 图片压缩 free?

图片压缩 is free to download, with no in-app purchases.

### Which has better reviews, 应用锁+ or 图片压缩?

应用锁+ and 图片压缩 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 应用锁+ or 图片压缩 have ads?

Neither 应用锁+ nor 图片压缩 shows ads.

### Which is updated more often, 应用锁+ or 图片压缩?

应用锁+ ships an update every 8 days, and 图片压缩 every 10 months. Most recently, 应用锁+ was updated on October 7, 2026 and 图片压缩 on September 21, 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.*