# 老马足迹地图 vs 海拔 Pro

The clearest difference is in-app purchases: 老马足迹地图 at none against 海拔 Pro's 3. 老马足迹地图 also leads on update cadence (weekly vs monthly) and iOS requirement (15.6 vs 17.0). On price, ads 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. 老马足迹地图 asks for nothing beyond the download.

老马足迹地图 ships an update weekly, 海拔 Pro monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | 老马足迹地图 | 海拔 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pro/id1603666667/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 65 MB | 27 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [永信 郭](https://appshunter.io/developer/1447877474) | [上海氢木科技有限公司](https://appshunter.io/developer/1546421993) |

## What reviewers say

### 老马足迹地图

[App page](https://appshunter.io/ios/app/id1584311620)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 老马足迹地图 free?

老马足迹地图 is free to download, with no in-app purchases.

### Is 海拔 Pro free?

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

### Do 老马足迹地图 or 海拔 Pro have ads?

Both 老马足迹地图 and 海拔 Pro show ads.

### Which is updated more often, 老马足迹地图 or 海拔 Pro?

老马足迹地图 ships an update weekly, and 海拔 Pro monthly. Most recently, 老马足迹地图 was updated on November 3, 2026 and 海拔 Pro on November 3, 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.*