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Koryvant vs Marvel

Marvel makes it easy to turn designs into a clickable prototype by linking screens. Koryvant generates the screens themselves — the complete product, every state, both themes — from a prompt.

How they differ

Marvel is a web-based design and prototyping tool that turns static screens into a clickable prototype by linking hotspots, popular for quick, simple prototypes.

Koryvant generates the whole product rather than linking screens you already have: the complete inventory, each screen in its empty, loading, populated, error, and edge states, in both themes, under a bespoke design language, plus stack-agnostic handoff specs.

Koryvant is the design-complete blueprint layer, not a full-app builder. There is no backend, no database, and no running full-stack app.

Where Koryvant is different

Koryvant is built to hand you a design-complete blueprint of the whole product, priced once per project.

  • The complete screen inventory

    Every screen a user would reach is drawn — not a hero and a handful of placeholders. You see the whole product surface, not a single showcase view.

  • Every state, not just the happy path

    Empty, loading, populated, error, and edge cases per screen — the states a real product actually lives in, so the blueprint holds up under review.

  • Light and dark, in lockstep

    Both themes designed together on a shared token system, so the prototype reads the way a shipped product does rather than a single-theme mockup.

  • A bespoke design language

    A spatial motif, a brand mark, and iconography derived for your idea — not a generic component-kit reskin that looks like everything else.

  • Stack-agnostic handoff specs

    Voice, motion, and roadmap notes that hand off cleanly to any stack, so engineering starts from a decided design instead of designing while it builds.

  • One-time, per project

    Generate, preview, and iterate for free; a single one-time payment unlocks a project to edit, deploy, and download. No subscription, no credits.

Questions

Is Koryvant a Marvel alternative?
Yes, for generating a complete prototype from a prompt rather than wiring up screens you drew elsewhere. Koryvant covers every state in both themes with handoff specs.
Does Koryvant only cover the happy path?
No. It draws the empty, loading, error, and edge states alongside the populated one, so the whole product is decided, not just the demo screen.
Does Koryvant lock me into one framework?
No. The handoff specs are stack-agnostic, so engineering can build on any framework it prefers rather than starting from a decision baked into generated code.
How does pricing compare?
Koryvant is free to generate, preview, and iterate. Unlocking a project to edit, deploy, and download is a one-time payment per project — no subscription and no credits. See the pricing page for the current price.