# 虎虎吃短信 vs iAdjust Survey

The clearest difference is monetization model: 虎虎吃短信 at free against iAdjust Survey's freemium. 虎虎吃短信 also leads on iOS requirement (14.0 vs 16.0). 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 iAdjust Survey sells 2 in-app purchases, starting at $6.99 per month. 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 iAdjust Survey. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | 虎虎吃短信 | iAdjust Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6480389051/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/iadjust-survey/id6779095142/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 | — |
| Monetization | **Free** | Freemium |
| Size | 42 MB | 5 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Shanghai Hotspot Technology Co., Ltd.](https://appshunter.io/developer/1784384773) | [丽君 张](https://appshunter.io/developer/6779038093) |

## 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 |


### iAdjust Survey

[App page](https://appshunter.io/ios/app/iadjust-survey/id6779095142)

This professional surveying tool processes engineering and control survey data. It performs least-squares adjustments, generates detailed reports, and analyzes results for common surveying projects. Manage local, sample, and cloud files with export options for review and submission.

**Highlights:** Least-squares adjustment computation, Traverse and network adjustments, Precision analysis and error ellipses, Comprehensive result reports, Control network diagram viewing, Result export and analysis, File management (local, sample, cloud)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $6.99 | per month |
| Full Lifetime Access | $69.99 | 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 iAdjust Survey free?

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

### Which has better reviews, 虎虎吃短信 or iAdjust Survey?

虎虎吃短信 and iAdjust Survey 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 iAdjust Survey have ads?

Neither 虎虎吃短信 nor iAdjust Survey shows ads.

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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.*