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Lasso vs Mosaic: catalog facts
Lasso	Mosaic
Paid Distributed as a direct DMG download; the captured page does not show the price.	Paid From £14.99, with a free 7-day trial.
macOS	macOS
Click-and-drag grid for placing windows Saved layouts with their own keyboard shortcuts	Drag-and-drop layout panel Custom layouts with gutters and groups
macOS only, and requires macOS 13 or later Pricing is not clearly stated on the homepage	Paid after a 7-day trial macOS only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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