When comparing SMBAct vs BetterSnapTool, the Slant community recommends BetterSnapTool for most people. In the question“What is the best window manager for Mac?” BetterSnapTool is ranked 10th while SMBAct is ranked 32nd. 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).
Specs
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Pros
Pro Window manager + switcher
SMBAct works not only as a tiling window manager, but also as a window switcher. This ensures smooth transitions from one functionality to another when you work with two monitors.
Pro Good for those who prefer the keyboard to the mouse
You can do everything with the keyboard. Many preset hotkeys for different actions, but you can set your own. Easy to find and activate any action even if you forget the hotkey through a special window with a quick search.
Pro User friendly
There is a video tutorial with detailed descriptions of how to use it. In addition, the program itself has a lot of tips.
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).
Cons
Con Not free
Can be used for free for a month right now, but it's generally available for a fee after free-trial: $14.00.
Con No possibility to snap to the edges and corners
They promise to add it in the next update, but it is currently not present.
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.