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

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