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Speccy vs AIDA64 Extreme: catalog facts
Speccy	AIDA64 Extreme
Freemium A free version is available. Speccy Professional is a paid licence.	Paid A paid licence is required after the trial.
Windows	Windows
One page answers what hardware is in the machine and how hot it is Snapshots can be saved or shared when asking for help	Extremely detailed hardware and software inventory with exportable reports Sensor readings can be sent to an external display or a remote client
Development has slowed considerably The Professional edition with automatic updates is paid	Paid licence with a time-limited trial Windows only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.