# 海拔 Pro vs OutTool Compass & Altitude

The clearest difference is in-app purchases: OutTool Compass & Altitude at none against 海拔 Pro's 3. OutTool Compass & Altitude also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. 海拔 Pro sells 3 in-app purchases, starting at $2.99 per month. OutTool Compass & Altitude asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 海拔 Pro against 5.0 for OutTool Compass & Altitude. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | 海拔 Pro | OutTool Compass & Altitude |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/pro/id1603666667/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/outtool-compass-and-altitude/id6739861072/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 25 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海氢木科技有限公司](https://appshunter.io/developer/1546421993) | [猜成都](https://appshunter.io/developer/908660241) |

## What reviewers say

### 海拔 Pro

[App page](https://appshunter.io/ios/app/pro/id1603666667)

This utility app provides real-time altitude and compass readings, combining GPS and barometer data. It allows users to record and track their exploration data, including altitude, coordinates, and ascent speed, with historical trend charts for review.

**Highlights:** Real-time altitude display, Smart compass with 72-degree scale, Record exploration data (altitude, coordinates, pressure), Historical trend charts, Meters and feet unit switching

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 海拔Pro 连续包月 | $2.99 | per month |
| 海拔Pro连续包年 | $59.99 | per year |
| 永久会员 | $24.99 | one-time |


### 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 海拔 Pro free?

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

### Is OutTool Compass & Altitude free?

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

### Which has better reviews, 海拔 Pro or OutTool Compass & Altitude?

海拔 Pro and OutTool Compass & Altitude are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 海拔 Pro or OutTool Compass & Altitude have ads?

海拔 Pro shows ads; OutTool Compass & Altitude does not.

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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.*