Ruletaa vs Kōōihaus™

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

Ruletaa compared with Kōōihaus™
Detail	Ruletaa	Kōōihaus™
What it does	Create and spin your random wheel online for free to make decisions, choose names or award prizes instantly	Free paint coverage calculator for interior and exterior painting projects
Stage	Startup	Established
Founded	2025	2021
Based in	Not given	US
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Customizable options with text, colors and weights Support for multiple wheels Save and share wheels Local data storage for privacy Secure random algorithm Mobile-friendly interface AI option generator	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	No login required and no personal data collection 100% fair and unbiased results Instant fair decision-making Works offline with local storage	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)	15 no change since last check	20 no change since last check
Trust Flow (Majestic)	9	4
Citation Flow (Majestic)	28	23
Referring domains (Majestic)	110	37

6 details filled in for both companies.