Which Is Better Speedfan Or CPUIDHWMonitor

hey all, just want to get opinions on which is best. speedfan or cpuidhwmonitor. i have used both and have accurate readings on both. on some desktops have had very different readings. aiso use everest home edition 2.20 and it seems to work on some desktops but not all. i am in to freeware and don't want to pay for core temp or real temp. just want to get some input and see what others use.