# Realtime Altimeter Pro — GPS Altimeter without Network

> Offline GPS altimeter, compass, velocimeter, and barometer with watermark camera. (iPhone/iPad app by Zhenlai Xia.)

- Source: https://appshunter.io/ios/app/realtime-altimeter-pro/id6736500613 (this page in markdown: same URL + `.md`)
- Developer: [Zhenlai Xia](https://appshunter.io/developer/1435731218)
- Category: Travel, Utilities
- Price: $1.99
- Rating: 5.00/5 from 8 App Store ratings · 22 written reviews indexed
- Age rating: 4+
- Requires: iOS 13 · 2 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2024-10-04
- Data updated: 2026-08-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/realtime-altimeter-pro/id6736500613/reviews.md

## What is Realtime Altimeter Pro?

Realtime Altimeter Pro displays no Ads.

This is a must-have App for travel, check your real-time altitude without network. Also with free compass, velocimeter and barometer.

•Altimeter:  Always get your altitude even if you don't have network, it is useful when you are in some rural areas, mountains etc.

•Compass: Beautifully designed compass is integrated in this app.

•Velocimeter: Want to know your speed when you are walking, riding or in a car? simply open this app.

•Watermark Camera: Take photos with your altitude and GPS information, let's remember your adventure for ever.

## Key features

- Offline altitude tracking
- Real-time compass
- Velocimeter for speed measurement
- Barometer
- Watermark camera with GPS data
- No ads

## Chart rankings

- #175 in Top Paid · Travel (US App Store)

## Recent user reviews (10 of 22)

All indexed reviews: https://appshunter.io/ios/app/realtime-altimeter-pro/id6736500613/reviews.md

### 5/5 — 良心产品，非常好用

*2026-06-23*

很简单，很实用，没广告，没任何烦恼，完美

### 3/5 — 海拔数据不可用是什么情况

*2026-01-20*

如题

### 1/5 — 花钱了也不行啊

*2026-01-01*

离线照样不好使 擦

### 1/5 — 很不好用

*2025-11-27*

海拔数据经常不可用

### 1/5 — 名字后缀多个pro

*2025-10-25*

直接扣我十五块，还退不了，啥流氓软件

### 1/5 — 误触不给退费

*2025-10-03*

一个普通一个pro 不小心点成了pro 用都没有申请退费都通过不了 为什么

### 5/5 — 增加主页颜色建议

*2025-08-03*

现在主页颜色为红色，建议增加主页颜色更换功能，比如增加蓝色，红色比较突兀，蓝色视觉效果舒服

### 5/5 — 太好用了

*2025-07-06*

我来到祁连山雪山上海拔400米，很准确。

### 1/5 — 海拔为什么不准

*2025-06-29*

跟网络有关吗 海拔不准 购买的时候不是不需要联网就能查看吗

### 5/5 — 功能增加

*2024-12-08*

希望海拔、经、纬度，定位位置、气压集合在一起，不要分开就好了，这样拍出来的照片更直观

**Developer response:** 谢谢你的建议，会考虑增加这样的展示

## Frequently asked questions about Realtime Altimeter Pro

### Does Realtime Altimeter Pro work offline?

Yes, Realtime Altimeter Pro is designed to display your real-time altitude even without a network connection. This makes it ideal for use in rural areas or mountains where connectivity may be limited.

### What features are included in Realtime Altimeter Pro?

The app includes an altimeter, a compass, a velocimeter to measure speed, and a barometer. It also features a watermark camera that allows you to take photos with embedded altitude and GPS information.

### How much does Realtime Altimeter Pro cost?

Realtime Altimeter Pro is a paid application, priced at $1.99. This one-time purchase grants you access to all its features.

### Does Realtime Altimeter Pro have ads?

No, Realtime Altimeter Pro explicitly states that it displays no ads. Users can enjoy the application without any interruptions from advertisements.

### What devices is Realtime Altimeter Pro compatible with?

Realtime Altimeter Pro is supported on iPhone and iPod devices. It requires iOS to function.

### How often is Realtime Altimeter Pro updated?

The latest version, 3.4.0, was released on October 4, 2024, indicating recent development activity. The app was initially released on the same date, suggesting consistent updates.

### What is the age rating for Realtime Altimeter Pro?

Realtime Altimeter Pro has an age rating of 4+. This means it is suitable for users of all ages, with no content restrictions.

### What do users like about Realtime Altimeter Pro?

Based on its rating of 5.0 stars from 2 ratings, users appear to be highly satisfied with the app. The primary appeal seems to be its reliable offline functionality and comprehensive set of travel-related tools.

## Version history (last 2 releases)

### 3.4.1 — 2026-07-16

1. Improved front-camera photos on iPhone 17 for more consistent framing with the altitude watermark
2. Refined Settings and other UI details for clearer text and smoother presentation
3. Pinch to zoom with two fingers on the altitude camera

### 3.4.0 — 2024-10-04

No release notes.

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All apps by Zhenlai Xia: https://appshunter.io/developer/1435731218

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*