# 胖鱼信使 vs OutTool Compass & Altitude

The clearest difference is price: OutTool Compass & Altitude at Free against 胖鱼信使's $0.99. 胖鱼信使's advantage is ratings volume (3 vs 1). On rating, review sentiment, ads and in-app purchases there is nothing between them.

OutTool Compass & Altitude is free to download; 胖鱼信使 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 胖鱼信使 against 5.0 for OutTool Compass & Altitude. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | 胖鱼信使 | OutTool Compass & Altitude |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/ai/id6448448856/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/outtool-compass-and-altitude/id6739861072/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Paid | **Free** |
| Size | 43 MB | 25 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [迪远 王](https://appshunter.io/developer/1487823903) | [猜成都](https://appshunter.io/developer/908660241) |

## What reviewers say

### 胖鱼信使

[App page](https://appshunter.io/ios/app/ai/id6448448856)

This app uses machine learning to intelligently identify and block spam text messages offline, ensuring your inbox remains clean. It prioritizes user privacy with no internet access or data collection, and offers a completely ad-free and in-app purchase-free experience.

**Highlights:** Offline AI spam detection, Machine learning technology, No internet access required, No personal data collection, Ad-free experience, No in-app purchases, No push notifications, Regular model updates

**Features:** iPhone Duo support

**In-app purchases:** none


### OutTool Compass & Altitude

[App page](https://appshunter.io/ios/app/outtool-compass-and-altitude/id6739861072)

This utility app offers precise compass readings and real-time altitude tracking for outdoor activities. It features a clean interface and works without an internet connection, making it ideal for remote exploration.

**Highlights:** Accurate compass (true and magnetic north), Real-time altitude tracking, User-friendly interface, Offline functionality, Outdoor companion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 胖鱼信使 free?

胖鱼信使 costs $0.99, with no in-app purchases.

### Is OutTool Compass & Altitude free?

OutTool Compass & Altitude is free to download, with no in-app purchases.

### Which has better reviews, 胖鱼信使 or OutTool Compass & Altitude?

胖鱼信使 and OutTool Compass & Altitude are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do 胖鱼信使 or OutTool Compass & Altitude have ads?

Neither 胖鱼信使 nor OutTool Compass & Altitude 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.*