mectrics
A free, open-source menu bar app that shows your Mac's CPU, memory, battery, and more.
Alternatives
Choose Glances if…
- you need remote web access to system metrics
- you run Linux or Windows servers alongside Macs
- you want to export data to JSON, CSV, or InfluxDB for
- you require command‑line filtering to focus on specific
Choose iStat Menus if…
- you need per‑core GPU load in the menu bar
- you need per‑application network bandwidth monitoring
- you want built‑in world clocks and weather forecasts
- you rely on rule‑based alerts for high‑temperature events
- you prefer a commercial tool with regular macOS updates
How to Decide
mectrics is a free, open‑source menu‑bar app that shows macOS CPU, memory, battery and other hardware stats for Mac users and developers who want a lightweight, private system monitor. The alternatives split into a few clear camps: iStat Menus leans into a paid, one‑time purchase with highly detailed real‑time menu‑bar graphs and per‑core sensor data; Glances emphasizes cross‑platform coverage and a built‑in web server plus REST API for remote monitoring and automation.
When choosing a replacement for mectrics, focus on licensing (open‑source MIT vs proprietary), platform scope (macOS‑only versus Windows/macOS/Linux support), pricing model (free versus a one‑time paid license), depth of monitoring UI versus remote/API access (menu‑bar granularity versus web‑based dashboards and programmable APIs), and privacy handling (local‑only metric processing versus optional network‑exposed endpoints).
All Alternatives
“Glances provides real‑time cross‑platform system monitoring, covering CPU, memory, disk, network, similar to mectrics' core purpose.”
“iStat Menus offers the same macOS menu‑bar hardware stats (CPU, memory, disk, network, sensors) as mectrics, but as a paid app.”
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