Before you leave
Topo maps for wherever you climb
National topographic maps by country, free: IGN Spain and France, Swisstopo, Mapy.cz, CycleOSM, Waymarked Trails and more. Premium adds ten Mapbox vector styles, satellite included.
- The 3D button adds terrain relief on top of any style
- MTB, cycling and hiking trail networks, with difficulty ratings
Read the slope before you stand on it
Avalanche bulletins by micro-region, and every slope over 30° shaded on the map. Drag the slider to raise the threshold and watch what is left of your line.
- Slope aspect, with a rose you tap to filter by orientation
- Altitude bands, measured snow depth at stations, ski slopes
- Each layer has its own opacity, and dims where it has no coverage
Know when the face gets the sun
Sun and shade simulated over the terrain for any day and any hour. Press play and see when the couloir comes out of the shade, or when the descent starts to soften.
The forecast along the whole line
Not the forecast for the town in the valley. Tap the profile header and get the weather for each part of the track, hour by hour or day by day, with sunrise and sunset.
- Five map overlays: cloud and precipitation, temperature, wind, pressure, snow
- A TV-style view with icons and temperatures over towns
Draw the route, on the trail or off it
Long-press to drop points and the route recalculates after each one. The magnet snaps it to paths and roads. Turn it off and you get straight lines, for the glacier, the scree or the ridge with no path.
- Undo the last 10 actions, insert a point anywhere on the line
- Round trip generator: one point, a length, and it builds the loop
- Edit any saved track you own, imported ones too
Every metre of climb, before you climb it
Drag a finger across the elevation chart. A marker follows on the map and you get distance, altitude and gradient at that exact spot. Colour the track by steepness, surface or way type.
- Climbs detected and ranked from category 4 to HC
- Water, lodging and 13 more kinds of POI within 500 m of the route
- Towns and mountain landmarks the route passes
Built for places with no signal
Frame a region, pick the detail level and choose which mountain layers go with it. You see the size before you download. A separate switch keeps all your tracks on the phone.
On the mountain
Record the whole day
Tap REC and put the phone away. It keeps recording in the background: time, distance, speed, elevation gain and loss, with a live chart and a battery monitor.
- Backed up continuously. If the system kills the app, you recover the recording on the next launch
- Set GPS accuracy and point interval, and see the battery cost per hour as you change them
Stay on the line when you can’t see it
Turn instructions with the remaining distance, and a warning tone when you drift more than about 150 m off the track. Voice announcements read your progress so the phone stays in the pocket.
- Three follow modes: north up, course up, or turning with the phone
- Battery saver: a black screen with only the next turn, in large type
- Following resumes by itself after you pan the map
Warn the next party
Drop a waypoint where the route is closed, flooded, rough or just worth a photo. Alerts are shared, so you also see what others reported within 20 km and along your track.
- 12 waypoint types, with a photo from the camera or gallery
- Each one shows km along the track, altitude and date
See your partners on the map
Start a live session and everyone on the same track shares position, distance and altitude. They show up as named pucks on the map and as circles on the elevation profile.
- Tap a name to fly to them
- Premium feature
Climb against your last ascent
On any track recorded with timestamps, the ghost replays the original outing at its original speed. You see how far ahead or behind you are, in metres and in minutes.
Back home
Fly the route again in 3D
A cinematic fly-over of the track on satellite imagery and 3D terrain, with speed control and a progress slider. Good for the debrief, better for convincing next weekend’s partners.
Every track in its place
Open a GPX or GeoJSON from mail, the browser or any other app and it goes straight into your list. Group tracks into coloured collections and plot a whole collection at once.
- Share a track with a 6-character code, or a whole collection with one code
- Export as GPX or GeoJSON
- Filter by created, recorded or downloaded, and by tag