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System Mechanic vs AVG TuneUp: catalog facts
System Mechanic	AVG TuneUp
Paid Paid license, listed at $54.95 and often discounted.	Paid Yearly subscription with a discounted first year and a free trial.
Windows	Windows
Combines junk cleanup, startup management and privacy wiping Automated maintenance through ActiveCare	Automatic junk cleanup and maintenance Updates installed programs automatically
Windows only Closed source and paid	Subscription renews at a higher price after the first year Closed source
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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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