Reads the SMC directly over IOKit, so there is no kernel extension, no background daemon and no installer. Download, unzip, run. Live RPM and temperatures sit in the menu bar without opening the window.
- Asks the hardware what it has rather than matching a list of models.
- One card, gauge and range per fan.
- Fanless Macs show temperatures and say so plainly instead of erroring.
- Never asks for your password or escalates its own privileges.
