Compass & Altimeter provides offline navigation tools—true geographic north, AMSL altitude, sunrise/sunset times, and versatile coordinate formats—ideal for outdoor use without network access. Not ranked in top lists, the app has a solid 4.29 rating from 121,839 reviews and 10,000,000+ total downloads with 63K in the last 30 days.
Pros & Cons
Offline functionality enables use without network access
Comprehensive north reference with magnetic declination
Multiple coordinate formats and regional grids
Customizable dials and high-contrast themes
Address lookup requires data connectivity, which may limit use in offline mode
Compass accuracy can be affected by strong magnetic perturbations or certain phone cases
About Compass & Altimeter
Compass & Altimeter is a tools app developed by PixelProse SARL.
Download Statistics
Compass & Altimeter has been downloaded 10 million times. In the last 30 days, the app was downloaded 63 thousand times.
User Ratings
Compass & Altimeter is rated 4.29 out of 5 stars. The rating is based on 120 thousand ratings.
App Information
Compass & Altimeter is FREE to download. The APK download size is 19.14 MB. The latest version available is 4.0.1. The last update was on June 29, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play December 2018.
Description
A simple and easy to use Compass to retrieve useful information about your current position such as true Geographic north and true altitude above sea level.
• Works perfectly offline and without network access • Geographic north using magnetic declination • True altitude above mean sea level (AMSL) • Sunrise & Sunset times • Azimut angles in deg, grad, mrad, gon • Various dials and color themes (including high contrast) • Angle measurement (with dials including measuring capabilities) • Bubble Level functionnality (available in iPhone dial) • Use EGM96 as the geoid reference for computing altitude • Latitude & Longitude in MGRS, UTM coordinate formats • Latitude & Longitude in DD, DMM or DMS format • British National Grid (OSGB86) coordinate system • SwissGrid (CH1903 / LV95 / MN95) • Magnetic field strength to detect potential perturbations • Sensor accuracy • Address of your current location (requires data connectivity)
Compass better works outside where magnetic perturbations are low. Magnetic closure cell phone cases may also disrupt the accuracy of the compass.
EGM96 (Earth Gravitational Model) is used as the geoid reference to compute true altitude above sea level from data collected by the GPS sensor. UTM (Universal Transverse Mercator) is a system for assigning coordinates to locations on the surface of the Earth.
Have fun !
Recent changes: ⚡ Performance improvements and reliability updates for smoother navigation. 📡 Accurate altitude and sunrise/sunset times, even offline. 🔋 Lower battery usage for longer outdoor sessions. 🧭 Reliable direction and positioning wherever you go — no network required.
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Great app, I love how it has milliradians and radians as well! 👍
★★★★★rbsk lalaurikhera· Aug 9, 2026
Make it easier to use it is so d difficult, so please make it easier
★★★★☆Sachin Rawat· Apr 27, 2026
It is a good app to use for basic knowledge of directions and altitude
★★★★☆Cody Schlotthauer· May 30, 2026
Honestly it dus it's job could have a useful wig git
★★★★☆Pierre Berube· Jul 4, 2026
This app does what I expect it to do - tell me which way is North. I can take it from there...
★★★★★David Kelly-Durrant· Jun 28, 2026
Does exactly what it says on the tin 👌 Elegant simplicity and very accurate with a very readable display 👍
★☆☆☆☆Miles Forrest· Aug 24, 2026
Just want to collect your data and share with hundreds of external companies. It isn't possible to untick sharing and still use the application.
★☆☆☆☆Monti House· Aug 12, 2026
Requires consent to advertise and store cookies for up to 10 years on your device...nope, not ever
★★☆☆☆J D· May 20, 2026
The app's page on the play store says that they do not share data with 3rd parties, but once you launch the app their terms say that they do. If they are going to give inaccurate or misleading information, I am not comfortable having the app on my phone. The app also requires you to either pay or allow *targeted* ads - I am used to either ads or payment, but requiring targeted ads is new to me and a step too far for a basic app. The compass itself does seem accurate and responsive, at least.
Google Play Rankings for Compass & Altimeter
This app is not ranked
Technologies used by Compass & Altimeter
24 permissions·31 libraries
Subscribe to see full permission and library details
Trust & Safety: Permissions include location (ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION), network-related and advertising IDs, push notifications, and boot/restart access. The app emphasizes offline compass functionality, with address features requiring data connectivity, and standard safeguards around location-based data.
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