UPCgen vs BaziTools

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 BaziTools
Detail	UPCgen	BaziTools
What it does	Free barcode generator for UPC, EAN, ISBN, and other retail barcodes	Free AI BaZi calculator with astronomical precision and plain-English life readings
Stage	Not given	Startup
Founded	Not given	2026
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	Four Pillars natal chart calculation with True Solar Time calibration Day Master personality archetypes and core element analysis 10-Year Da Yun luck cycle forecasting 78-pair Synastry matrix for relationship compatibility Daily Tong Shu Almanac with auspicious activities and taboos Birth-time rectification engine for unknown birth hours AI prompts for ChatGPT and Claude interpretation Zi Wei Dou Shu (Purple Star Astrology) cross-verification Deterministic solar-longitude ephemeris from 1900 to 2100
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	Astronomical precision using True Solar Time and Equation of Time, not standard clock time Zero birth-data monetization and privacy-first browser-based computation 100% free with no signup, paywall or feature locks 24-hour human response SLA for technical and archival inquiries
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	0
Citation Flow (Majestic)	30	12
Referring domains (Majestic)	138	3

4 details filled in for both companies.

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