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OpenTopoMap ViewerOruxMaps
Free

Free and open source under the Apache 2.0 licence.

 Free

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

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

Checked October 2, 2026

Checked September 23, 2026

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