When comparing BetterSnapTool vs Mosaic, the Slant community recommends BetterSnapTool for most people. In the question“What is the best window manager for Mac?” BetterSnapTool is ranked 10th while Mosaic is ranked 14th. The most important reason people chose BetterSnapTool is:
With this feature, you can move any window into the desired position, select 'advanced: create a custom snap area (using current window as template)' from the toolbar and also edit settings for the snap area. It is also possible to edit the size, position, and presentation of the drop-zone, the shortcut for the custom snap area, and a list apps for which the snap area should be available (eg: only show this zone for VLC).
Ranked in these QuestionsQuestion Ranking
Pros
Pro Custom Snap Areas
With this feature, you can move any window into the desired position, select 'advanced: create a custom snap area (using current window as template)' from the toolbar and also edit settings for the snap area. It is also possible to edit the size, position, and presentation of the drop-zone, the shortcut for the custom snap area, and a list apps for which the snap area should be available (eg: only show this zone for VLC).
Pro It's slick, quick, and does the trick…
Mosaic is probably the best window manager I have ever used for Mac. There are so many options available, you're sure to be able to set it up to suit your workflow… and the Mosaic Remote app gives Touchbar like control, without a Touchbar!
Pro Stays out of the way
While still allowing for insane customization.
Cons
Con Vertical monitor orientation snap area bug
The snap feature currently is not working on monitors with vertical orientation. The snap areas show up, but the window never snaps in place. You have to manually adjust each window on the vertical orientation monitor.
Con Costs
BetterSnapTool is no longer free and now costs $3.