jstash vs yggy

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

jstash compared with yggy
Detail	jstash	yggy
What it does	JSON storage for each signed-in user of a web app	Knowledge graphs built and kept up to date automatically
Stage	Not given	Not given
Founded	Not given	Not given
Based in	AU	Not given
Pricing model	Freemium	Contact for pricing
Pricing	Free: 1 app with up to 100 users, 5,000 writes and 50,000 reads a month, 100 KB per document, 10 MB storage. Pro: US$5 a month, billed monthly, 3 apps with up to 1,000 users, 40,000 writes and 400,000 reads a month, 1 MB per document, 1 GB storage.	Not given
Key features	Per-user private JSON documents Cross-device data sync on sign-in Built-in access control JSON Bins for public storage at a URL No backend or database setup required Document size limits: 100 KB free, 1 MB Pro Encrypted daily backups for recovery	Automatic extraction and modeling from documents and system exports Source attribution on every fact with supporting text and confidence values EU-hosted or on-premises deployment Multi-hop query support for complex relationships RDF-based ontology with OWL 2 RL profile API and MCP access for AI agents Continuous graph updates and duplicate resolution
What makes it different	No backend infrastructure to build or maintain Works with existing login providers Fills the gap for small data storage needs Simple integration with few lines of code Free plan with no credit card required	Sourced, auditable facts for AI agents and people to verify before use Handles multi-hop questions and audit trails better than RAG alone Automatic infrastructure for knowledge graph building without manual pipeline setup Persistent knowledge graph with standard RDF/OWL exports for interoperability
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	1	6
Citation Flow (Majestic)	17	15
Referring domains (Majestic)	4	7

4 details filled in for both companies.

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