To help convince customers to move to the Mac, Apple is offering lower prices for software in tandem with other incentives. Shake 2.5 will be available for Mac OS X for a suggested retail price of $4,950, with annual maintenance of $1,199. For Linux, Irix and Windows, the program will be available for a suggested retail price of $9,900, with annual maintenance of $1,485. Existing Shake customers will be given the option to double the number of their existing licenses at no additional cost by migrating to Mac OS X.