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Field Survey vs SMASH: catalog facts
Field Survey	SMASH
Best for: Researchers and volunteers collecting structured observations in the field	Best for: Field workers collecting geospatial survey data on a phone
Free Free and open source under the GPL-3.0 licence, with optional donations.	Free Free and open source under GPL-3.0.
Android, iOS	Android, iOS
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	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
Templates take some setup before the first survey Data stays on one device unless exported	Designed for field mapping and survey data collection
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Field Survey pufstudio.net/apps/field_survey Catalog checked October 2, 2026	Official website Full listing and sources Sources for SMASH geopaparazzi.org/smash/index.html Catalog checked October 8, 2026

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