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Upscayl vs Artguru: catalog facts
Upscayl	Artguru
Free Free and open source under the AGPL. There is no paid tier and no per-image cost.	Freemium Prices are not listed on the homepage.
Windows, macOS, Linux	Web
Runs entirely on your own machine, so no images are uploaded anywhere Batch processing for whole folders	Covers photos, video and scanned documents in one tool Upscaling to 4K and 8K for print
Needs a Vulkan-compatible GPU; the project warns many integrated chips will not work Slow on weaker hardware, and memory-hungry on large images	Pricing and limits not stated on the homepage Files are processed online
Downloadable app	Web application
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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