Keeping CoinNotch easy on your battery
CoinNotch is light by design, but if you want to minimize battery use further, slow the update interval, since fetching less often uses less energy. The app also backs off automatically on battery and pauses when your Mac sleeps. For most people the default is already negligible, but the interval is the main lever if you want it even lower.
A menu-bar ticker updates constantly, which raises a reasonable question about battery life on a laptop. CoinNotch is built to be light, a native app with a small footprint rather than a heavy web view, but if you want to squeeze its energy use down further, there are a couple of straightforward levers. Here is how to keep it gentle on a MacBook.
Slow the update interval
The single biggest factor is how often the app fetches a fresh price. Updating about once a second feels live and responsive, but each fetch uses a little network and processor time. If you do not need second-by-second precision, lengthening the interval to a few seconds, or longer, cuts the work proportionally and is the most effective way to reduce energy use. The price still updates, just a little less often, which most people never notice.
Let it back off on its own
CoinNotch also helps itself. It pauses polling when your Mac sleeps, since there is nothing to show, and it can back off its update frequency when you are on battery rather than plugged in, easing up automatically when power matters most. If you enabled a low-power option, a price that updates a little slower on battery is that feature working as intended, not a fault. When you plug back in, the faster cadence returns.
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Download for MacKeeping it in perspective
For most people, CoinNotch's default energy use is already small enough to ignore, far less than keeping a heavy price website open in a browser tab, which our browser-tab comparison covers. The interval is there if you want to go further, but you do not have to fiddle with anything to get reasonable battery behavior. The defaults are tuned to be light.