UPCgen 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.

UPCgen compared with Screen Dimensions
Detail	UPCgen	Screen Dimensions
What it does	Free barcode generator for UPC, EAN, ISBN, and other retail barcodes	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	Freemium	Free
Pricing	Free: 5 codes per day. Starter $9/month (100 codes/month, PNG download, all 9 barcode types, API access). Pro $29/month (3,000 codes/month, bulk CSV, SVG/PDF/EPS exports, Avery+FBA label sheets, API access). Business $99/month (25,000 codes/month, everything in Pro, 5 team seats, priority support).	Not given
Key features	Generate UPC, EAN-13, EAN-8, UPC-E, ISBN, ITF-14, Code 128, FNSKU, and Data Matrix barcodes Valid check digits passing GS1 standard validation Bulk generation up to 10,000 codes at once Export to CSV, PNG, PDF, SVG, and EPS formats Avery and FBA label sheets REST API for developers Bulk CSV upload and download Free registration with no card required Platform compliance for Amazon, Shopify, Etsy, eBay, Walmart	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	Simple, single-page interface without bloated software or confusing options Valid barcodes that download cleanly in multiple professional formats Supports 50+ e-commerce and retail platforms	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)	38 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	10	3
Citation Flow (Majestic)	30	4
Referring domains (Majestic)	138	4

4 details filled in for both companies.

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