ISBNLab vs QR Suisse

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

ISBNLab compared with QR Suisse
Detail	ISBNLab	QR Suisse
What it does	Book metadata database and API for searching, converting and using ISBN data	Dynamic QR code generator with Swiss hosting
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	CH
Pricing model	Freemium	Freemium
Pricing	Free: $0/mo with 1,000 Daily Calls; Standard: $5/mo with 5,000 Daily Calls; Pro: $15/mo with 15,000 Daily Calls. Custom plans available.	Free: 0 CHF (3 active QR codes, 1 user, 7-day history). Pro: 15 CHF/month or 150 CHF/year (unlimited QR codes and users, 15-month history, 5 API creations/month, 1 API key). Entreprise: 72 CHF/month or 720 CHF/year (100 API creations/month, 10 API keys, 100 style templates). API creation packs avail
Key features	REST and GraphQL API ISBN validation and conversion Multiple response formats: JSON-LD, JSON and CSV OpenAPI and Swagger documentation Official client libraries for PHP, Python, TypeScript/JavaScript and Go Catalog of 102.1M book editions Groups every edition of a book together Comprehensive book data: ISBN-10, ISBN-13, EAN, ASIN, title, authors, publishers Author information including names, birth and death dates, biography and photos	Create dynamic QR codes for links, business cards and calendar events Change QR code destination at any time without reprinting Customize with colours, shapes and style templates Download QR code images as PNG or SVG View aggregated scan statistics per QR code REST API for programmatic QR code management Organize QR codes with tags and bulk actions Use custom domain for QR code addresses Add logo in centre of QR codes on Entreprise plan
What makes it different	One consistent schema for every book keyed by ISBN Catalog of 102.1M book editions ISBN validation and conversion for any valid ISBN, not just books in the catalog Suitable for beginner, intermediate and advanced users	Aggregated statistics only—no IP address or device tracking Unlimited QR codes and users on Pro and Entreprise plans REST API available on Pro and Entreprise with no extra cost Change QR code destination anytime—materials stay valid after reprinting pause
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 no change since last check	6 no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	32	20
Referring domains (Majestic)	6	2

6 details filled in for both companies.

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