Whatmeter Logo

Power at a glance.

A minimal macOS menu bar app that tracks your battery, charging wattage, and system power consumption in real-time.

Whatmeter App Interface

Battery & Time Remaining

Know exactly how much battery is left and get accurate estimates for time until empty or fully charged.

Charging Wattage

See the exact power your Mac is drawing from the charger to verify your cable and adapter speed.

Power Consumption

Monitor real-time system power consumption to understand how intensive apps affect your battery life.