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3DF Zephyr vs WebODM: catalog facts
3DF Zephyr	WebODM
Best for: Turning photo or drone surveys into 3D models and terrain data	Best for: Turn aerial photographs into maps and 3D reconstructions
Free + paid options A limited free edition is offered; full versions are paid, with a free trial.	Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.
Windows	Windows, macOS, Linux, Self-hosted, Web
Combines photogrammetry and laser scans in one application Outputs orthophotos, DTM and DSM as well as meshes All 4 strengths for 3DF Zephyr Combines photogrammetry and laser scans in one application Outputs orthophotos, DTM and DSM as well as meshes Multi-GPU accelerated reconstruction Free edition available	Produces point clouds, elevation data and textured models.
Full feature set requires a paid licence Windows only	Processing large image sets needs substantial computer resources.
Downloadable app	Self-hosted
Not open source	Open source
License: Proprietary	License: AGPL-3.0
Not stated if an account is 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 3DF Zephyr 3dflow.net/3df-zephyr-photogrammetry-software Catalog checked October 1, 2026	Official website Full listing and sources Sources for WebODM github.com/WebODM/WebODM github.com/WebODM/WebODM/blob/master/LICENSE.md Catalog checked September 22, 2026

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