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Author: Nick Whitelegg
License: GNU General Public License
Platform: Android
Status: available
Version: 0.5.3 (2020-05-10)
Language: English
Source code:
Programming language: Java

Freemap for Android


OpenTrail is an OSM-based Android app for UK hiking/walking. It is closely associated with the UK walkers' OSM site, Freemap. It shows OSM maps using the VTM library.

Note that the source is available via Gitlab at


See here for more details.

Current Feature List

Feb 2013

  • show mapsforge generated maps with OSM data (showing rights of way) and OS LandForm PANORAMA contours
  • display annotations as an alert box when you reach their location, useful for instance for displaying path directions at ambiguous places
  • find nearby Freemap walking routes, show them on the map, and "play" the route (instructions will automatically appear on your phone)
  • import data from, and export to, GPX
  • find nearby POIs


Android 2.1+. Good performance on an SIII, rather too slow on an HTC Hero so I suspect a typical minimum requirement would be one of the 2.2/2.3 generation of phones released just after the Hero.