iOS · Local-first · No account

Outdoor track & altitude recorder

Compass, live elevation, speedometer, activity tracking, and geo-stamped camera — your pocket outdoor dashboard.

Features

Six core modules

From orientation to GPX archives, TopoLog brings essential outdoor data into one dark OLED interface — clear, power-efficient, and easy to read.

Digital compass, bearing, coordinates, and live weather for quick orientation outdoors.

Barometric elevation, indoor/outdoor detection, floor inference, magnetic field, and weather data.

Analog gauge with driving, cycling, running, and walking modes plus session stats.

Track duration, distance, speed, and elevation gain; face-to-face team location sharing.

Stamp photos and videos with elevation, coordinates, and time. Stored locally on device.

Auto-generate standard GPX 1.1 files with merge, export, and history review.

Privacy First

TopoLog requires no account. Tracks, photos, and elevation history are stored locally on your iPhone by default — not uploaded to our servers.

            Local GPX storage
            Tracks are saved as standard .gpx files in the app sandbox. Export anytime.
          

            No account required
            Use all core features without signing up or logging in.
          

            Ephemeral team relay
            Face-to-face teams relay location via Realtime — not persisted on the server.
          

            Transparent permissions
            Location, camera, microphone, and photo library are requested only when needed.
          