QuokkaQuery vs XSDHub

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

QuokkaQuery compared with XSDHub
Detail	QuokkaQuery	XSDHub
What it does	Making software for making software	XML validation and schema tools for developers
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	NL
Pricing model	Not given	Freemium
Pricing	Not given	Free: unlimited individual XML checks, local validation, no account required. Pro: US$19/month (US$190/year), batch 25 files, 10 cloud projects, 10 schemas, 300 validations + 250 invoices/day. Team: US$49/month (US$490/year), batch 100 files, 50 shared projects, 100 schemas, 5 seats, 1,000 validatio
Key features	Visual designer for React apps on a unified canvas Keyframe-based media production platform Open source libraries for npm	Free local XML syntax and formatting checks XSD 1.0 validation with local imports and includes Optional XSD 1.1 and ISO Schematron XPath 1.0 server validation Cloud schema projects with version control Batch validation up to 25 files (Pro) or 100 files (Team) API access with daily quotas Public HTTPS schema import and structural comparison EN 16931 and XRechnung invoice validation Multi-format invoice validation (Factur-X, KSeF, RO e-Factura, HR-CIUS)
What makes it different	Design entire systems including pages, components, routes, and state on one canvas Focused tools that cut friction out of designing software	Browser-based validation runs locally without uploading documents by default Explicit server processing consent required for any upload Comprehensive e-invoice validation across six European formats Built with AI assistance and documented with primary references
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)	15 no change since last check	1 no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	19	4
Referring domains (Majestic)	3	1

3 details filled in for both companies.

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