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GPX Viewer vs GPS Visualizer: catalog facts
GPX Viewer	GPS Visualizer
Freemium Free to use, with offline maps and other features available as paid extras.	Free Free to use, supported by donations.
Android	Web
Opens GPX, KML, KMZ and LOC files Graphs for elevation, speed, heart rate, cadence and power	Many output formats, from Leaflet maps to KML and SVG Elevation profiles and elevation lookup
Android only Offline maps require a paid upgrade	Dense, dated interface with many options Online only
Downloadable app	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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