ShipFast vs Umwelt

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

ShipFast compared with Umwelt
Detail	ShipFast	Umwelt
What it does	Launch your startup in days, not weeks	An epistemic state engine that tracks what each character knows, and how they learned it
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Open source
Pricing	Starter plan $199 USD (discounted from $299), All-in plan $249 USD (discounted from $349), Bundle with CodeFast $299 USD (discounted from $648). All plans include lifetime updates and include NextJS boilerplate, payments, authentication, emails, database setup, SEO, blog, and Discord community acces	AGPL-3.0-only open source license. Commercial license available for closed-source products, services and hosted APIs. Free Play Exception covers free games, mods, interactive fiction and tabletop tools (excluding games with price, in-game purchases, ads, paid content or early access).
Key features	Next.js boilerplate with pre-built codebase Payment processing with Stripe or Lemon Squeezy User authentication with Google OAuth and Magic Links Email setup with Mailgun or Resend DNS records Database integration with MongoDB or Supabase SEO and blog functionality Pre-built UI components and animations Documentation and tutorials for setup Discord community with 5,000+ makers Leaderboards to showcase startups by verified revenue	Tracks what each character knows and how they learned it Prevents AI models from leaking story information or twists Records confirmed history that is never deleted Single portable .umw file for entire world state Works across TypeScript, .NET, CLI and any language via JSON protocol Query from any character's point of view at any moment in time Performance of 55-65 microseconds per query with half a million holdings Free Play Exception for non-commercial games and tabletop tools
What makes it different	Built specifically for AI code editors with full codebase context Lifetime updates included with one-time payment Flexible tech stack with independent libraries Supports both JavaScript and TypeScript with multiple routing options	Separates world state from character knowledge to prevent narrative leakage Guarantees written down with conformance testing across all clients Idempotent writes ensure consistency across retries Works without AI or can control what AI models are allowed to know Open source with commercial licensing option for closed-source products
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)	74 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	25	4
Citation Flow (Majestic)	46	12
Referring domains (Majestic)	3806	1

5 details filled in for both companies.

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