# 虎虎吃短信 vs 应用锁+

The clearest difference is monetization model: 虎虎吃短信 at free against 应用锁+'s free with in-app purchases. 虎虎吃短信 also leads on iOS requirement (14.0 vs 16.0). 应用锁+'s advantage is update cadence (every 8 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 虎虎吃短信 sells 3 in-app purchases, starting at $0.99 per month and 应用锁+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 虎虎吃短信 against 5.0 for 应用锁+. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

虎虎吃短信 ships an update every 3 weeks, 应用锁+ every 8 days. The most recent releases landed on September 19, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | 虎虎吃短信 | 应用锁+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6480389051/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/plus/id6498628007/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Shanghai Hotspot Technology Co., Ltd.](https://appshunter.io/developer/1784384773) | [衍杰 王](https://appshunter.io/developer/1741449420) |

## What reviewers say

### 虎虎吃短信

[App page](https://appshunter.io/ios/app/id6480389051)

This app uses on-device machine learning to filter spam messages without needing internet access. It intelligently identifies unwanted texts based on semantic analysis, requiring no manual rule configuration. Users can contribute to its intelligence by reporting new message samples.

**Highlights:** On-device offline filtering, Machine learning semantic analysis, No manual rule configuration, User-contributed message samples, Privacy-focused, no network permission

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | per month |
| 年度会员 | $3.99 | per year |
| 终身会员 | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is 虎虎吃短信 free?

虎虎吃短信 is free to download, with in-app purchases available.

### Is 应用锁+ free?

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

### Which has better reviews, 虎虎吃短信 or 应用锁+?

虎虎吃短信 and 应用锁+ are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 虎虎吃短信 or 应用锁+ have ads?

Neither 虎虎吃短信 nor 应用锁+ shows ads.

### Which is updated more often, 虎虎吃短信 or 应用锁+?

虎虎吃短信 ships an update every 3 weeks, and 应用锁+ every 8 days. Most recently, 虎虎吃短信 was updated on September 19, 2026 and 应用锁+ on September 5, 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.*