When comparing BetterSnapTool vs Better Window Manager, the Slant community recommends BetterSnapTool for most people. In the question“What is the best window manager for Mac?” BetterSnapTool is ranked 10th while Better Window Manager is ranked 28th. 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).
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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 FinderMinder support
FinderMinder allows you to specify where (position) and what size you want newly opened Finder windows to appear. The default Finder behavior is to remember the last position and size for every window, but this can be frustrating if you already know where you want every window to appear (for example, centered at 800x600). FinderMinder must be running for window reposition and resize to take place.
FinderMinder must continue running in the background for window reposition and resize to take place, so click the "Hide" button to dismiss the preferences and keep FinderMinder running. Simply re-launch FinderMinder to access the preferences again or to quit the app.
Pro Cheap and has a free trial
The app costs just $3 and offers a free trial for testing it out before buying.
Pro Has almost all the features needed in a window manager app
I've tried almost every app on this list. I thought it was amazing how many there were out there by the time I finally stopped experimenting and searching for the one I liked most. I chose Optimal Layout mostly because it was sufficiently extendable and felt lighter to use than the others. There were lighter ones, but those were very limited in their features and customizability.
Pro It's free! Which is fair as it manages only windows for Finder.
The price is right! It comes from a great source of developers who already have window manager apps on this page's list. I am not sure what they plan to do with this app in the future, whether to keep it light and by itself and work in conjunction with their other window managers, or add this feature solely to one of their other fully featured window manager apps.
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.