When comparing Sticker vs Magnet, the Slant community recommends Magnet for most people. In the question“What is the best window manager for Mac?” Magnet is ranked 11th while Sticker is ranked 19th. The most important reason people chose Magnet is:
Easy to learn keyboard shortcuts.
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Pros
Pro Highly intuitive
Drag a window to a part of the screen and tell it to fill an area. It's as simple as that.
Pro Detects other windows
Sticker can detect edges of other windows so you can choose to stick your window to a part of a screen without overlapping others (or not).
Pro Keyboard centric
Easy to learn keyboard shortcuts.
Pro Intuitive handling
Just drag the window to one of the sides of the screen and it snaps there. This is especially useful for those who can't be bothered remembering the shortcuts.
Pro Cheap
At $0.99, it is not that expensive.
Pro Mouse controllable
Supports dragging a window along the edges of the screen to activate.
Pro Do not have to learn or remember keyboard shortcuts
Pro It's often on sale
For example, at the writing of this pro it's currently at $1.
Pro Up to six external displays supported
Cons
Con No longer free - costs $ 4.99
Con Cannot setup custom sizes and window positions
Unfortunately, you can only move windows to preset positions.
Con Can only be purchased from the App Store
Magnet is only available in App Store.
Con Can't hide the menu bar icon
It would've been nice to be able to hide the icon so it doesn't clutter the menu bar.
Con Interference when switching between folders
Default Folder-X app "warns" that Magnet App may interfere with it's ability to switch between folders in Open and Save dialogue boxes.
Con Causes cursor bugs in IntelliJ IDEs
Unfortunately, Magnet causes the caret to bounce around in IntelliJ IDEs, this is very annoying.