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Upscayl vs Topaz Photo: catalog facts
Upscayl	Topaz Photo
Free Free and open source under the AGPL. There is no paid tier and no per-image cost.	Paid Paid; included in the Topaz Studio subscription at $399 per year.
Windows, macOS, Linux	Windows, macOS
Runs entirely on your own machine, so no images are uploaded anywhere Batch processing for whole folders	Denoise, sharpen, unblur and upscale in one application Models can run locally or in the cloud
Needs a Vulkan-compatible GPU; the project warns many integrated chips will not work Slow on weaker hardware, and memory-hungry on large images	Paid software with no free tier stated Processing options vary by model
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.