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CapFrameX vs FPS Monitor: catalog facts
CapFrameX	FPS Monitor
Free Free and open source.	Freemium Pricing details were not stated in the research.
Windows	Windows
Focuses on frametime and stutter, which average FPS numbers hide Free and open source	Shows FPS and hardware sensors together in the game Highly configurable overlay per sensor
Windows only Sharing results relies on CapFrameX's own cloud service	Windows only Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	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 24, 2026

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