# Realtime Altimeter vs 海拔高度表：GPS实时测量海拔高度气压计、指南针导航

The clearest difference is in-app purchases: 海拔高度表：GPS实时测量海拔高度气压计、指南针导航 at none against Realtime Altimeter's 1. Realtime Altimeter's advantage is iOS requirement (13 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Realtime Altimeter sells 1 one-off in-app purchase. 海拔高度表：GPS实时测量海拔高度气压计、指南针导航 asks for nothing beyond the download.

## The numbers

| Metric | Realtime Altimeter | 海拔高度表：GPS实时测量海拔高度气压计、指南针导航 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (439 ratings)](https://appshunter.io/ios/app/realtime-altimeter/id1039285626/reviews)** | — |
| Number of ratings | **439** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 15 MB |
| Requires iOS | **13** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zhenlai Xia](https://appshunter.io/developer/1435731218) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### Realtime Altimeter

[App page](https://appshunter.io/ios/app/realtime-altimeter/id1039285626)

This app provides real-time altitude readings, even without an internet connection. It also includes a compass, velocimeter, and a camera that can watermark photos with location data, making it ideal for travelers and outdoor adventurers.

**Highlights:** Offline altimeter, Real-time altitude, Integrated compass, Velocimeter for speed, Watermark camera with GPS data

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 📸 Captures photos with altitude watermark
- ✈️ Useful for travel and outdoor activities
- 🆓 Free to use
- 👍 Very practical and useful
- 📍 Provides location and altitude information

**What reviewers complain about**

- 🧭 Compass missing East/West points
- 📉 Barometric pressure inaccurate
- ⚖️ Altitude readings fluctuate
- 📷 Cannot take landscape photos
- 📶 Not always immediate altitude reaction without network

**Reported bugs**

- Compass missing cardinal points
- Inaccurate barometric pressure readings
- Fluctuating and inaccurate altitude readings
- Watch app not installing after purchase
- Altimeter not working during flight

**Requested features**

- Announce current altitude based on time or altitude
- Larger font size for speed readout
- Option to switch altitude and speed display positions
- Convert camera location address to text
- Add barometric pressure display


### 海拔高度表：GPS实时测量海拔高度气压计、指南针导航

[App page](https://appshunter.io/ios/app/gps/id6744684491)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Realtime Altimeter free?

Realtime Altimeter is free to download, with in-app purchases available.

### Is 海拔高度表：GPS实时测量海拔高度气压计、指南针导航 free?

海拔高度表：GPS实时测量海拔高度气压计、指南针导航 is free to download, with no in-app purchases.

### Do Realtime Altimeter or 海拔高度表：GPS实时测量海拔高度气压计、指南针导航 have ads?

Both Realtime Altimeter and 海拔高度表：GPS实时测量海拔高度气压计、指南针导航 show 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.*