[ What's Topodroid? ]
Topodroid is a useful app for free climbers.
Using this app, you can easily create topos of free climbing even at outdoor field and climbing gym.
[ Function of Topodroid ]
(1)Take a photo of rock and register. In this time, you can record your location info by GPS.
(2)Draw routes and holds in the photo to create a topo.
(3)You can also select a photo that was originally stored in your smartphone and create a topo.