Guzzler for macOS

See which apps drain your Mac battery.

Guzzler is a free menu bar utility for macOS 11 or later. It measures battery use while your Mac is awake, shows the apps responsible, and keeps up to eight days of local history.

Download for macOS Support Guzzler

What it does

Shows the current discharge rate and the apps using the most energy.
Compares battery use across the last 15 minutes, 30 minutes, hour, day, or week.
Charts battery use by app over time.
Excludes sleep time so averages remain useful.
Keeps history locally on your Mac.

System requirements

macOS 11 or later.
Apple Silicon or Intel.
No account, no setup.

A closer look

Battery use, at a glance.

Guzzler menu bar summary showing the apps currently using the most power. — See the biggest energy users from the menu bar.

Guzzler battery usage chart showing energy consumption by app over six hours. — Explore battery use by app over time.