CoolBookCoolBook is a tool for the MacBook, MacBook Air and MacBook Pro computers. It lets you monitor the frequency, voltage and temperature of the CoreDuo / Core2Duo CPU. CoolBook does not work with OS X 10.7 Lion or later. i3/i5/i7 CPUs are not supported. Registered users can also change the frequency and voltage of the processor. Download CoolBook to find out more.
