# Compass One: Altimeter & GPS

> Mark Your Travel Memories

Canonical page: [https://chrome-stats.com/d/id6740374842](https://chrome-stats.com/d/id6740374842)

## Overview

- **ID:** `id6740374842`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** underwater
- **Category:** Travel
- **Rating:** 4.90 / 5 (16 ratings)
- **Version:** 1.8.1
- **Last updated:** 2026-08-02
- **First published:** 2025-01-12
- **Size:** 27 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/compass-one-altimeter-gps/id6740374842)
- **Privacy policy:** [https://www.underwwwater.com/privacy1](https://www.underwwwater.com/privacy1)

## Description

Compass One is a FREE & AD-FREE app that focuses on precision and simple yet elegant design. It is truly a professional compass.

Navigate EASY with Compass One; get handy information like current location (geographic coordinates, using gps), altitude, atmospheric pressure, current speed, current feels-like temperature in addition to precise pro compass.

It works OFFLINE!

Great for any outdoor activities such as hiking, camping, trekking, road trips, backpacking, cycling, fishing, driving, etc. The GPS technology will surely come in handy.

Notable features:
- Compass (8 cardinal directions)
- Qibla Finder - easily find the direction towards the Kaaba in Mecca (Pro feature)
- Custom Markers - you can add your current locations! Also comes with some world cities! (Pro feature)
- Heading
- Altimeter for altitude (elevation) info (Pro feature)
- Atmospheric Pressure in various units like (hPa, psi, bar, mmHg, inHg)
- Flash light with SOS mode for emergency and your Safety
- Real-time (feels-like) temperature of your location
- Current Location (DMS, UTM, DD)
- Voice Compass
- Current speed (speedometer)
- Offline mode
- and more coming!

You can also choose the units for each measurement. For example, for current location, you can choose latitude and longitude (DMS), decimal degrees (DD), and UTM (or Universal Transverse Mercator).

Disclaimer: this app heavily depends on the device hardware as well as location. Avoid using near metallic / magnetic objects. It is more accurate when used outdoor rather than indoor.

If you have any questions or suggestions, please do not hesitate to contact us at: support@underwwwater.com

• Terms of Service (EULA): https://www.underwwwater.com/terms1
• Privacy Policy: https://www.underwwwater.com/privacy1

## Rankings

- #264,880 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6740374842)