Compare software

OwnTracksPhoneTrack SMS
Free

Free and open source.

 Free

Free and open source under the GPL-3.0 licence; normal SMS charges may apply.

Android, iOS, Self-hosted Android
  • Location data goes to a server you control
  • Open protocols and open-source code
  • Works without a data connection or any server
  • Replies include accuracy, battery level and a configurable map link
  • Needs a server, which takes some setup to host yourself
  • Not a map or navigation app on its own
  • Anyone who learns the keyword can request your location
  • Depends on SMS coverage and may incur text message costs
Downloadable app, Self-hosted Downloadable app
Open source Open source
License not stated License: GPL-3.0-only
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 23, 2026

Checked October 2, 2026

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