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Moom vs Mosaic: catalog facts
Moom	Mosaic
Paid $15 license valid forever with at least one year of updates, and a free trial.	Paid From £14.99, with a free 7-day trial.
macOS	macOS
Customizable pop-up palette on the window buttons Saved window layouts for different display setups	Drag-and-drop layout panel Custom layouts with gutters and groups
macOS only Paid, with upgrade fees for later major versions	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
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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