# 虎虎吃短信 vs PrivateVault

The clearest difference is iOS requirement: 虎虎吃短信 at 14.0 against PrivateVault's 17.0. On price, update cadence, ads and in-app purchases 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 PrivateVault sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

虎虎吃短信 ships an update every 3 weeks, PrivateVault every 6 weeks. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 虎虎吃短信 | PrivateVault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6480389051/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 42 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Shanghai Hotspot Technology Co., Ltd.](https://appshunter.io/developer/1784384773) | [磊 刘](https://appshunter.io/developer/1892400556) |

## 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 |


### PrivateVault

[App page](https://appshunter.io/ios/app/privatevault-encrypted-files/id6776260550)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrivateVault - Encrypted Files ¥198 | $29.99 | one-time |
| Private Safe Full Version ¥ 298 | $39.99 | 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 PrivateVault free?

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

### Do 虎虎吃短信 or PrivateVault have ads?

Neither 虎虎吃短信 nor PrivateVault shows ads.

### Which is updated more often, 虎虎吃短信 or PrivateVault?

虎虎吃短信 ships an update every 3 weeks, and PrivateVault every 6 weeks. Most recently, 虎虎吃短信 was updated on October 6, 2026 and PrivateVault on October 16, 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.*