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Mergin Maps vs Avenza Maps: catalog facts
Mergin Maps	Avenza Maps
Best for: Field teams collecting geodata for QGIS projects	Best for: Hikers, surveyors and field crews using official or custom maps offline
Free + paid options Free to start with paid plans for teams; a free trial is offered.	Free + paid options Free to use, with paid plans and paid maps for extra features and content.
Android, iOS, Web	Android, iOS
Direct sync with QGIS projects Works offline with automatic merging of edits All 4 strengths for Mergin Maps Direct sync with QGIS projects Works offline with automatic merging of edits Uses open geodata formats Can publish projects as web maps	Works offline with pre-loaded maps Opens georeferenced PDF and GeoTIFF maps All 4 strengths for Avenza Maps Works offline with pre-loaded maps Opens georeferenced PDF and GeoTIFF maps Field data collection and location tracking Widely used by parks services and field crews
Needs an account and a plan for team use Most useful if you already use QGIS	Advanced features require payment Not open source
Downloadable app, Hosted service	Downloadable app
Not open source	Not open source
License not stated	License not stated
Account needed	Not stated if an account is needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Mergin Maps merginmaps.com Catalog checked September 24, 2026	Official website Full listing and sources Sources for Avenza Maps avenza.com play.google.com/store/apps/details apps.apple.com/us/app/avenza-maps-offline-mapping/id3884240… Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.