Is the MX Master 4 worth the price jump over cheaper Logitech mice?

Reviewers tend to justify the premium for heavy keyboard-and-mouse users — citing the MagSpeed scroll wheel, multi-device switching, app-aware customization, and now haptic feedback. For lighter or occasional use, the consensus across reviewers is that mid-tier options like the M550 or M510 cover 80% of the experience at a fraction of the cost.