# 海拔 Pro vs 海拔测量仪

The clearest difference is in-app purchases: 海拔测量仪 at none against 海拔 Pro's 3. 海拔测量仪 also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price 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. 海拔测量仪 asks for nothing beyond the download.

## The numbers

| Metric | 海拔 Pro | 海拔测量仪 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro/id1603666667/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 71 MB |
| Requires iOS | 17.0 | **13.0** |
| 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) | [圆 徐](https://appshunter.io/developer/1726885749) |

## 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 |


### 海拔测量仪

[App page](https://appshunter.io/ios/app/id6476578243)

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

**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 海拔测量仪 free?

海拔测量仪 is free to download, with no in-app purchases.

### Do 海拔 Pro or 海拔测量仪 have ads?

海拔 Pro shows ads; 海拔测量仪 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.*