Why PinkCal Pro?
The pro version has additional features you may appreciate, such as repeating appointments; support (via email); plus you are helping continued development of PinkCal.
Pink Calendar & Day Planner
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Other Products
Use BlackBook to store your passwords and personal information using strong encryption.
Use CopySpot to easily copy files between computers or to an FTP Server
Use File Splitter to split large files into smaller ones (and to join them again later)