The Pro version is a one-time payment of less than $10. It is a niche tool developed by an independent creator who keeps the app updated for the latest Mac hardware. How to Get It Safely
Check Activity Monitor for background processes. If a process uses >150% CPU, Turbo Boost disablement won’t help because the CPU is already pegged at base clock. Close the rogue process. Turbo Boost Switcher Pro 2 for Mac Free Download