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SMASH vs Field Survey: catalog facts
SMASH	Field Survey
Best for: Field workers collecting geospatial survey data on a phone	Best for: Researchers and volunteers collecting structured observations in the field
Free Free and open source under GPL-3.0.	Free Free and open source under the GPL-3.0 licence, with optional donations.
Android, iOS	Android, iOS
Collects georeferenced notes, photos and GPS tracks Supports form-based surveys and raster or vector maps All 3 strengths for SMASH Collects georeferenced notes, photos and GPS tracks Supports form-based surveys and raster or vector maps Edits and queries GeoPackage layers	Custom survey templates for almost any field work Automatic timestamps, GPS and photos per record All 4 strengths for Field Survey Custom survey templates for almost any field work Automatic timestamps, GPS and photos per record Exports to a spreadsheet No account or cloud needed
Designed for field mapping and survey data collection	Templates take some setup before the first survey Data stays on one device unless exported
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for SMASH geopaparazzi.org/smash/index.html Catalog checked October 8, 2026	Official website Full listing and sources Sources for Field Survey pufstudio.net/apps/field_survey Catalog checked October 2, 2026

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