# 海拔测试仪 vs 地震预警

The clearest difference is device support: 海拔测试仪 at 2 against 地震预警's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 海拔测试仪 | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6739829542/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 13 MB | 64 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [观艳 谭](https://appshunter.io/developer/1745017384) | [云雷 滕](https://appshunter.io/developer/1746951126) |

## What reviewers say

### 海拔测试仪

[App page](https://appshunter.io/ios/app/id6739829542)

This app serves as a professional outdoor companion, offering real-time altitude measurement and a precise compass for navigation. It also features identification tools for plants and animals, along with GPS-based speed and location tracking.

**Highlights:** Real-time altitude measurement, Precise compass and GPS, Plant and animal identification, Location tracking, GPS speed measurement

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

**In-app purchases:** none


### 地震预警

[App page](https://appshunter.io/ios/app/and/id6746642901)

**In-app purchases:** none


## Frequently asked questions

### Is 海拔测试仪 free?

海拔测试仪 is free to download, with no in-app purchases.

### Is 地震预警 free?

地震预警 is free to download, with no in-app purchases.

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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.*