DeviceCheckHub vs Screen Dimensions

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

DeviceCheckHub compared with Screen Dimensions
Detail	DeviceCheckHub	Screen Dimensions
What it does	Free online device tests and calculators that run in your browser with nothing to install or upload	Read your screen size, resolution and refresh rate live in your browser
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Microphone testing with live input levels and recording Speaker and headphone testing with frequency sweeps Webcam testing with resolution and frame rate display Keyboard testing for dead, stuck and double-typing keys Mouse and controller testing with button and drift detection Typing speed and CPS measurement tools Date and time calculators with formatting options Number to words converter in multiple formats Privacy by design with no data sent to servers	Live screen resolution detection in CSS and physical pixels Device pixel ratio measurement Browser window size detection Display refresh rate checker Color range detection Physical screen size measurement with bank card TV size calculator by seating distance Dead pixel test Screen comparison tool at scale Refresh rate test
What makes it different	No installation, account or data upload required Works on all devices and browsers without downloads Automated testing with 15,000+ checks before each release Complete privacy with all processing done on your device	All measurements run in your browser with no data sent to servers Uses bank card calibration to measure actual physical screen size Reference data cross-checked against manufacturers' spec sheets Distinguishes between diagonal screen size and width/height dimensions Shows real panel resolution accounting for display scaling and pixel ratio
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	0	4
Referring domains (Majestic)	0	4

4 details filled in for both companies.

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