Side by side

Pokesensor vs siomon

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.

Pokesensor

Free plan LinuxMacWindows

Choose Pokesensor for free, local hardware monitoring with live graphs, an overlay, and desktop alerts across three desktop platforms. Look to the paid tiers if you need longer logging, fan curves, or a license covering multiple devices; the five-device option is VIP Super+ at $30 a month.

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siomon

Free plan Linux

siomon combines live sensor monitoring with broad one-shot hardware reporting and multiple export formats. Its dependency-free core is straightforward, while deeper hardware data depends on root access, drivers, or optional modules.

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The facts

	Pokesensor	siomon
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Linux, Mac, Windows	Linux
Lowest paid plan	VIP: $5 a month	Not published
Plans published	5	None
Maker	Not published	Not published
Website	app.pokesensor.org	github.com
On hardware monitoring software	#39 of 59	#53 of 59

Pokesensor: what it does well

Free plan includes live monitoring, overlay, and alerts.
Supports Windows, macOS, and Linux.
Runs locally without accounts, cloud services, or telemetry.
Exports session logs as CSV and JSON.
Default polling interval uses well under 1% CPU.

What to know first

Fan control depends on motherboard and operating system support.
30-day logging starts with VIP++ at $20 a month.
Unlimited logging and five-device licensing require VIP Super+ at $30 a month.

siomon: what it does well

Tracks minimum, maximum, and average readings
Configurable alerts and CSV logging
Reports export to four formats
Broad CPU and hardware coverage
No mandatory runtime dependencies

What to know first

Linux only
NVIDIA details require the NVIDIA driver
Some readings need optional components
Extra data requires root access

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