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Terminal UI for controlling Mac fan speeds via the SMC — Apple Silicon (M1–M4) support, no kexts, no daemons

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Macfan – control Apple Silicon Mac fans from the terminal

by techgeek99·Jun 10, 2026·1 point·0 comments

AI Analysis

●●SolidNiche GemShip It

M3/M4 thermal-manager unlock that most older fan tools don't handle.

Strengths
  • Direct SMC communication via IOKit means no kernel extensions or background daemons
  • Handles Ftst diagnostic unlock sequence that newer Apple Silicon firmware requires
  • Fans restore to auto on quit or panic — safe by construction
Weaknesses
  • Mac fan control is a solved category with Stats, Macs Fan Control already existing
  • Terminal-only approach limits appeal compared to GUI alternatives
Target Audience

Mac developers and power users who want terminal-based fan control

Similar To

Stats · Macs Fan Control · iStat Menus

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