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Gaia GPS vs Avenza Maps: catalog facts
Gaia GPS	Avenza Maps
Freemium Free version with a paid Premium subscription.	Freemium Free to use, with paid plans and paid maps for extra features and content.
Android, iOS	Android, iOS
Many topographic and satellite map layers Offline map downloads	Works offline with pre-loaded maps Opens georeferenced PDF and GeoTIFF maps
Advanced features require Premium Proprietary service	Advanced features require payment Not open source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Works offline
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.