ScannerQR vs Kōōihaus™

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

ScannerQR compared with Kōōihaus™
Detail	ScannerQR	Kōōihaus™
What it does	Free, fast and private online scanner for QR codes and barcodes	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	Scan QR codes from images, screenshots, or camera Support for DataMatrix, PDF417 and Aztec codes Scan QR codes from PDF files Safe QR Scanner analyzes links for security risks Wi-Fi QR Scanner reveals network name and password QR code generator for URLs, Wi-Fi, contacts and more Browser-only processing with no server uploads No account or email signup required	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	All scanning happens locally in your browser; images never leave your device No watermarks or signup; QR codes are free to use commercially Supports more formats than alternatives including DataMatrix, PDF417 and Aztec Safety-first with link preview and suspicious link detection Powered by well-established ZXing decoding engine and open-source libraries	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)	8	4
Citation Flow (Majestic)	8	23
Referring domains (Majestic)	81	37

4 details filled in for both companies.

More alternatives to ScannerQR More alternatives to Kōōihaus™