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Pineapple Pictures vs Viso: catalog facts
Pineapple Pictures	Viso
Free Free and open source under the MIT licence.	Paid Costs $7.99 after a free trial.
Windows, macOS, Linux	macOS
Lightweight and quick to open Reads PSD and KRA files as well as common formats	Clean frameless viewing window Shows detailed image metadata including lens and location
A viewer only, with no library management or editing	macOS only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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