An altitude display instrument.

Support running on Apple Watch separately.

Longitude, latitude, and geographic location are supported on Apple Watch. Tap the screen to switch the information display interface.

Quickly start from the complications on Apple Watch.

You can customize the initial values of altitude, so that more accurate altitude measurements.

Continued use of GPS running in the background can dramatically decrease battery life.

What’s New

Version 2.5

* Support running on Apple Watch separately.
* Fixed some bugs.
* Updated screenshots.

Ratings and Reviews

4.1 out of 5
11 Ratings

11 Ratings

Pupss93249123 ,


Good! It's precise to such an extend that I'm surprise!!

App Privacy

The developer, YONG ZHANG, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Identifiers
  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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