iStat Server runs on your Mac, reading it’s vitals and sending them to iStat on your iPhone.

iStat Core forms the heart of iStat Server, the very same code that's been road tested by millions of iStat Pro, iStat Nano and iStat Menus users (yes, millions!). So even though iStat Server is brand new, its heritage lies in the best system monitoring tools on the Mac platform.