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fSpy vs SynthEyes: catalog facts
fSpy	SynthEyes
Best for: 3D artists matching a scene camera to a reference photo	Best for: VFX artists matchmoving live-action footage
Free Free and open source, with an optional pay-what-you-want donation.	Paid Commercial software sold by Boris FX.
Windows, macOS, Linux	Windows, macOS, Linux
Calculates camera parameters from a single still image Official Blender importer add-on All 3 strengths for fSpy Calculates camera parameters from a single still image Official Blender importer add-on Runs on Windows, macOS and Linux	Dedicated 3D camera tracking and solving Built for production visual effects work All 3 strengths for SynthEyes Dedicated 3D camera tracking and solving Built for production visual effects work Managed alongside other Boris FX tools in one hub
Applications other than Blender need values copied by hand Works with still images only, not video tracking	Paid professional tool Specialist software with a learning curve
Downloadable app	Downloadable app
Open source	Not open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for fSpy fspy.io Catalog checked October 2, 2026	Official website Full listing and sources Sources for SynthEyes borisfx.com/products/syntheyes Catalog checked October 1, 2026

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