Dead Pixel Test vs Kōōihaus™

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

Dead Pixel Test compared with Kōōihaus™
Detail	Dead Pixel Test	Kōōihaus™
What it does	Free full-screen color test for visual screen inspection	Free paint coverage calculator for interior and exterior painting projects
Stage	Not given	Established
Founded	Not given	2021
Based in	Not given	US
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Nine solid color tests Full-screen color display mode Stuck pixel fixer with flashing patch Custom color picker for testing specific colors Works on phones, laptops, and monitors Keyboard and touch navigation Simulated pixel defect examples for comparison Screen inspection checklist and observation record	Interior paint calculator Exterior paint calculator Metric and imperial units Primer calculation option Ceiling painting option Gable area calculation for exterior Instant results display
What makes it different	Visual inspection without automatic diagnosis No account, upload, or installation required Includes stuck pixel fixer tool with flashing patch Works on any screen accessible via browser	Handles complex calculations like doors, windows, and multiple stories automatically Works for both interior and exterior projects
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	20 no change since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	19	23
Referring domains (Majestic)	4	37

4 details filled in for both companies.