← All Apple listings

Realtime Altimeter - Compass

by haoqiang shan more by this developer →

#573,665 of 726,788 by ratings on Apple · #15,557 of 20,611 in Travel

View in the Apple store ↗

Compare with another extension

Category: Travel

Description

Realtime Altimeter - Your Pocket Outdoor Dashboard

Built on iPhone's GPS and barometer, delivering millisecond-accurate altitude,
coordinates, pressure, and speed. No account, no subscription, no internet
required. Everything stays on your device.

========================
KEY FEATURES
========================

[LIVE READINGS]
· Altitude (meters / feet)
· Pressure (mmHg / kPa / mBar / atm)
· Coordinates (DMS / decimal / reverse-geocoded / sunrise-sunset)
· Speed and heading
· True-north compass

[HISTORY CHARTS]
· 1h / 6h / 24h / 7-day ranges
· Altitude and pressure dual charts
· Min / Max / Current at a glance

[TRACK RECORDING]
· One-tap start for hikes, climbs, or rides
· Distance, elevation gain, loss, average speed
· Continues recording when screen is locked
· Export GPX, compatible with every outdoor app

[PRESSURE WEATHER TREND]
· Predicts storm / rain / stable / fair weather from barometric changes
· Works entirely offline

[ALTITUDE CHECK-IN ALBUM]
· Auto-logs position when you save a watermarked photo
· Map view of all your spots
· 6 outdoor-themed watermarks: Peak Line, Summit Badge, Trail Sign, GPS Watch, Expedition Stamp, Topo Map

[OUTDOOR TOOLKIT]
· Spirit level and slope meter
· Sunrise / sunset and moon phase
· Compass bearing lock
· Voice altitude announcements

[ACHIEVEMENTS]
· Summit badges, distance goals, storm chaser, and more
· Unlocked locally, no account needed

[ECOSYSTEM]
· Home Screen and Lock Screen widgets
· Dynamic Island Live Activity (iOS 16.1+)
· Standalone Apple Watch app

========================
WHY REALTIME ALTIMETER
========================

· 100% local data, nothing uploaded, no account
· Zero ads, zero subscriptions, zero in-app purchases
· Battery-optimized for all-day tracking
· Full English and Simplified Chinese support
· iPhone, Apple Watch, widgets, all included

Whether you are hiking, climbing, cycling, skiing, flying, or just curious
how high up you are right now, Realtime Altimeter is the simplest and most
reliable companion.

Download and start your first track today.

Alternatives to Realtime Altimeter - Compass

Name	Ratings	Rating
Altimeter - Altitude & Compass by Enacti Ventures Private Limited	8,451	4.6	compare
Realtime Altimeter by Zhenlai Xia	419	4.7	compare
Compass One: Altimeter & GPS by underwater	16	4.9	compare
Trip Pages (Compass,Altimeter) by Tigran Mkhitaryan	15	3.9	compare
Compass: Elevation & Altimeter by 天就 黄	11	4.5	compare
Compass GPS Altimeter by Chengdu Key Element Technology Co., Ltd.	6	4.2	compare
trip 3in1(compass, map, altimeter） by 友杰 邱	2	3.0	compare
Realtime Altimeter - Elevation by 东 杨	—	—	compare
ColletteCompass by COLLETTE TRAVEL SERVICE, INC.	436	4.7	compare
Encompass Roadside Assistance by SIGNATURE MOTOR CLUB INC.	413	4.2	compare

Growth

Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.

History

Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.