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dotMemory vs PerfView: catalog facts
dotMemory	PerfView
Paid Paid as part of JetBrains dotUltimate, with a free 30-day trial.	Free Free and open source from Microsoft.
Windows	Windows
Profiles desktop apps, services, ASP.NET and IIS processes Snapshots can be taken and compared without stopping the session	Analyses both CPU and memory performance issues Free tool maintained by Microsoft
Paid software after the trial Limited to .NET applications	Windows only Steep learning curve for people new to profiling
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	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.