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Avenza Maps vs Mergin Maps: catalog facts
Avenza Maps	Mergin Maps
Freemium Free to use, with paid plans and paid maps for extra features and content.	Freemium Free to start with paid plans for teams; a free trial is offered.
Android, iOS	Android, iOS, Web
Works offline with pre-loaded maps Opens georeferenced PDF and GeoTIFF maps	Direct sync with QGIS projects Works offline with automatic merging of edits
Advanced features require payment Not open source	Needs an account and a plan for team use Most useful if you already use QGIS
Downloadable app	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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