FNJ vs Volley

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

FNJ compared with Volley
Detail	FNJ	Volley
What it does	Not given	API sequence diagram tool with payloads on every arrow
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	FNJ Lifetime: $29 USD (one-time payment, ends November 1, 2026). AI Builder: $25 USD per month (60 credits/month), Agency plan $99 USD per month (250 credits/month), Site Pack $29 USD once (50 credits), credit top-ups $10 USD for 20 credits.	Free: editor, local diagrams, share links, SVG and PNG export, CLI, 3 saved diagrams, HAR imports up to 8 requests, 200 hosted API and MCP calls a month, 1 webhook inbox with 25 requests a month, 1 recording link with 3 recordings. Pro: $9/month or $90/year (billed in advance), up to 1,000 saved dia
Key features	Convert Framer sites to Next.js with named React components Export optimized static HTML bundles WebP image optimization and conversion SEO pass on every conversion Multi-page and responsive breakpoint support One-click deploy to Vercel or Cloudflare Built-in visual editor for converted code MCP server for Claude, Cursor or Codex integration CMS with unlimited collections and publishable items AI website builder for creating new sites	Plain-text sequence diagram editor with real-time rendering Request and response payloads displayed on every arrow HAR file import with automatic redaction of secrets Webhook inbox to capture and diagram provider deliveries Recording links to collect customer HAR files as diagrams Drift Check to update diagrams when APIs change SVG and PNG export for sharing and embedding AI agent support via MCP server, HTTP API and CLI README embeds that update when diagrams are edited Presentation mode for step-through walkthroughs
What makes it different	Own your code and host it anywhere, no vendor lock-in One-time payment for lifetime unlimited conversions, not a subscription Maintains 100% visual parity with original Framer design Improves Lighthouse accessibility scores by default Ships new features most days with active development	No account needed to write and share diagrams AI can write diagrams from plain-text syntax Built from real traffic: HAR files, webhooks and customer recordings
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)	8 no change since last check	3 no change since last check
Trust Flow (Majestic)	4	3
Citation Flow (Majestic)	27	22
Referring domains (Majestic)	31	8

4 details filled in for both companies.

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