SpinBuild vs Stacktree

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

SpinBuild compared with Stacktree
Detail	SpinBuild	Stacktree
What it does	AI platform for building websites and web apps from plain-language descriptions	Send client work as a link, not an attachment
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Freemium	Freemium
Pricing	Starter plan is free forever with no credit card required. New accounts get 250 welcome credits for the first month. Paid plans available with monthly credits that reset on the first of each month and do not roll over. Cost depends on the AI model chosen, thinking level, and work required per reques	Free: 3 pages; Solo: $19/month (25 pages, 1 custom domain, 1 client space); Studio: $79/month (unlimited pages, 10 custom domains, 10 client spaces); Firm: $249/month (unlimited pages, 25 custom domains, unlimited client spaces); Enterprise: billed annually, custom pricing.
Key features	Support for 11 stacks: Next.js, React, Vue, Svelte, Astro, Preact, Vite, Express, Fastify, Koa, HTML/CSS/JS Choice of AI models in one dropdown including Claude Opus, Claude Sonnet, GPT and hundreds of others Live preview that updates as code is written Code review with per-file approval and diffs One-way sync to GitHub repository you own Private Postgres database per project One-click HTTPS deployment MCP support for Cursor, Codex, Claude Code, Grok Build Kernel-isolated containers for app security Version history with rollback to any previous state	Replace pages in place without changing the URL Works with ChatGPT, Claude, and other AI agents Client spaces with dedicated portals per client Passcode and email domain gates Custom domains on your agency's domain Version history with rollback capability
What makes it different	Vibe coding: describe what you want instead of writing every line yourself Real full-stack apps with live preview, not just mockups or templates Your code in a GitHub repo you own, yours to keep and run elsewhere Switch AI models in one dropdown to balance speed, capability and cost	Half of published pages change after being sent, so replace-in-place saves resending Works as an MCP server with Claude, ChatGPT and other agents Agency-focused with dedicated client portals and multiple custom domains Analytics show engagement depth, not just opens
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	54 +1 (up) since last check
Trust Flow (Majestic)	1	9
Citation Flow (Majestic)	20	34
Referring domains (Majestic)	3	245

5 details filled in for both companies.

More alternatives to SpinBuild More alternatives to Stacktree