Side by side

BatteryBar vs michka

Both stand on hardware monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

BatteryBar

Free plan Windows

BatteryBar provides taskbar battery monitoring and estimated remaining time, with Pro adding alerts and configuration options. Check the listed Windows requirements and whether the battery reports rate data before relying on those readings.

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michka

Free plan LinuxSelf-hostedWeb+1

Michka offers local, offline monitoring with a multi-machine setup and customizable dashboard. Windows users should note the stated limitation on CPU temperature readings.

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The facts

	BatteryBar	michka
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Windows	Linux, Self-hosted, Web, Windows
Lowest paid plan	BatteryBar Pro: $4, paid once	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	osirisdevelopment.com	michka.org
On hardware monitoring software	#17 of 59	#15 of 59

BatteryBar: what it does well

Free version is available.
Displays battery details in the taskbar popup.
Uses historical data to estimate remaining time.
Pro adds low and critical battery alerts.
Pro includes 20 configurable settings.

What to know first

Listed supported systems are Windows XP, Vista, or 7.
A system battery is required.
Windows XP requires .NET Framework 2.0.
Some batteries do not report charge or discharge rates.

michka: what it does well

Displays live hardware metrics and service status.
Collects metrics from multiple machines.
Stores history in a local SQLite file.
Works offline without a cloud account or telemetry.
Templates and widgets allow dashboard customization.

What to know first

Windows hardware often lacks reliable CPU temperature readings.
The hub and agents run on Linux or Windows only.
The dashboard requires a modern browser.

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