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CapFrameX vs MangoHud: catalog facts
CapFrameX	MangoHud
Free Free and open source.	Free Free and open source.
Windows	Linux
Focuses on frametime and stutter, which average FPS numbers hide Free and open source	Works with both Vulkan and OpenGL games Shows frame timing as well as average FPS
Windows only Sharing results relies on CapFrameX's own cloud service	Linux only Configuration is done through files and environment variables rather than a full settings app
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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