BatchKnow vs TryPSL

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

BatchKnow compared with TryPSL
Detail	BatchKnow	TryPSL
What it does	Cosmetic batch code checker that decodes the production date of cosmetics and perfume	Free PSL score calculator with facial proportion breakdown
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free PSL score (no account needed). Looksmax report: $9.90 per report (one-time payment, no subscription).
Key features	Reads batch codes from major beauty brands Shows every possible date when codes repeat Scans batch codes with camera No account or sign-up required Explains batch code rules in plain language Tracks format changes across brands Shows manufacturing and expiry dates Saves recent checks in app Works offline on mobile app	PSL score on 1-8 scale Four individual geometry scores 478 facial landmarks detected Photo quality hints Face Shape Detector Canthal Tilt Calculator Midface Ratio Calculator Side-profile analysis in reports
What makes it different	Shows every date a code can mean instead of hiding ambiguous years Tested against real products with printed dates Explains batch code rules so users can verify results No data transmission to servers from browser Independent project corrected by community feedback	Published scoring formula with transparent methodology Entertainment estimate with clear limitations No account required for free test
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	29 no change since last check
Trust Flow (Majestic)	6	7
Citation Flow (Majestic)	8	26
Referring domains (Majestic)	3	24

4 details filled in for both companies.

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