# Realtime Altimeter vs 实时高度表：GPS海拔测量仪

The clearest difference is in-app purchases: 实时高度表：GPS海拔测量仪 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. 实时高度表：GPS海拔测量仪 asks for nothing beyond the download.

## The numbers

| Metric | Realtime Altimeter | 实时高度表：GPS海拔测量仪 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (436 ratings)](https://appshunter.io/ios/app/realtime-altimeter/id1039285626/reviews)** | — |
| Number of ratings | **436** | — |
| 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


### 实时高度表：GPS海拔测量仪

[App page](https://appshunter.io/ios/app/gps/id6747752255)

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

**In-app purchases:** none


## Frequently asked questions

### Is Realtime Altimeter free?

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

### Is 实时高度表：GPS海拔测量仪 free?

实时高度表：GPS海拔测量仪 is free to download, with no in-app purchases.

### Do Realtime Altimeter or 实时高度表：GPS海拔测量仪 have ads?

Both Realtime Altimeter and 实时高度表：GPS海拔测量仪 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.*