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OruxMapsOpenTopoMap Viewer
Free

Free with no ads; a donation version is on Google Play and the project also accepts PayPal…

 Free

Free and open source under the Apache 2.0 licence.

Android, iOS Android
  • Opens many offline map formats, including Mapsforge, MBTiles, GeoPDF and Garmin maps
  • Creates offline maps from online sources, with layered composite maps
  • Topographic maps with contour detail
  • GPX import and display
  • Preparing offline maps can involve separate desktop tools such as MOBAC
  • Wide range of options takes time to learn
  • Online client that needs a connection for new areas
  • Android only
Downloadable app Downloadable app
Closed source Open source
License not stated License: Apache-2.0
Not stated if an account is needed No account needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.