When comparing NameChanger vs SizeUp, the Slant community recommends SizeUp for most people. In the question“What are the best power user tools for macOS?” SizeUp is ranked 57th while NameChanger is ranked 76th. The most important reason people chose SizeUp is:
SizeUp has user-configurable keyboard shortcuts for a set of pre-defined actions.
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Pros
Pro Free
Available free of charge.
Pro Allows easily batch renaming files
For anyone who's ever needed to re-sequence or rename a list of items in a folder, it can take a long time to hit "Enter", type your new file name, "Enter","Arrow Down", "Enter", Type, "Enter", "Arrow Down", "Enter", Type, smash you head against the keyboard.
Name changer allows you to batch rename those files in one step. Options include replacing the first, last or every occurrence of user defined text, removing text, append or prepend text, searching with wildcards, sequencing and even has support for inserting dates. It shows you a preview of the new file names before committing any changes.
Pro Keyboard centric
SizeUp has user-configurable keyboard shortcuts for a set of pre-defined actions.
Pro Supports multiple monitors / spaces
Windows can be sent to different monitors and spaces. It can also be aligned as needed.
Pro Simple
SizeUp is easy and simple to use without having to configure.
Pro AppleScript support allows extending functionality
AppleScript permits adding features such as tiling all open windows. Additionally, FastScripts it allows the user to add keyboard shortcuts to AppleScripts.
Pro Menubar dropdown for shortcuts
Learning a bunch of keyboard shortcuts right off the bat may be difficult to remember at first, which is why a menubar shortcut for the app exists with all the shortcuts listed.
Cons
Con Nag window
If a license is not purchased there is a nag window (which suspends function) that pops up when loading the app (at user login). The nag pop-up is also summoned at certain time intervals and by performing a certain number of commands (manually or by keyboard shortcut).
Con No on-the-fly split screen window settings
Unlike some other tiling window managers, SizeUp has no way to change the size of split screen actions on-the-fly. Any time a user wants to change how much room on the screen a window takes up when using the split screen function, they will need to manually change the settings, which can be time consuming.