Download for Mac OS X 64bit. SetEXIFData uses EXIFtool to write most wanted EXIF data into an image or movie container (mov, m4v. EXIF data into the screen fields and then click on Process to 'process' the image files: this will add/overwrite EXIF data, set file dates, etc. The list window will be cleared when processing is done.
SetEXIFData Editor's Review
SetEXIFData is an EXIF completion tool.Exif Reader Mac
SetEXIFData sets the EXIF data. You can set the 'artist', 'copyright', 'date/time' and 'keywords'.
Most photographers will appreciate the utility of this software. You can easily edit a profile for 'artist' and 'keyword'. In the first section, under 'artist' and 'copyright', you can edit your personal EXIF information. In the second section, under 'keywords', you can assign any keyword you want to the image. The application toolbar contains: 'process', 'start over' and 'info' buttons. If you press 'process' the software will process and set the given EXIF data for all the files added in the list. The 'start over' button is a quick way to clear all fields except for 'artist' and 'copyright'. If you want to see the existing EXIF data from your file you should press 'info' button which will open the 'drawer window'.
SetEXIFData will not edit your EXIF image data. It comes with 'EXIFtool' that is an application for reading and editing meta information in images.
Pluses: easy to use and fast. 
Drawbacks / flaws: few options, not stable enough yet.