Compare SaaS starters
Ghoststack vs Supastarter
Choose the foundation that matches what your first app needs.
Reviewed September 23, 2026. This comparison is written by Ghoststack and covers Supastarter's Next.js version. We compare its linked public documentation with Ghoststack's starter; we have not audited its paid repository. Features and service options can change.
Start with the app you want to build
Ghoststack gives a beginner one chosen stack, an editable app, and instructions for building a first feature with AI. Supastarter includes a broader application foundation: its Next.js overview describes organizations, an admin interface, internationalization, a blog, and a documentation site. Those are useful starting features when your product needs them.
Scroll sideways to see both starters.
| Decision | Ghoststack | Supastarter |
|---|---|---|
| Project structure | One Next.js app with pages, API routes, and local helpers. Architecture guide. | A Turborepo monorepo with separate marketing, SaaS, and docs applications. App architecture. |
| Accounts and database | Supabase magic-link sign-in, PostgreSQL tables, and policies restricting users to their own records. Customer auth guide. | Better Auth, with Prisma or Drizzle database access and configurable login methods. Authentication docs. |
| Customer payments | Stripe subscriptions, checkout, billing portal, and webhook handling. Payment setup. | Subscriptions and one-time payments with provider choices including Stripe, Lemon Squeezy, and Polar. Payment options. |
| Interface and email | Tailwind and DaisyUI pages; Resend sending helper and editable email templates. Customer email guide. | Tailwind and Base UI; React Email with multiple sending providers. UI stack and email overview. |
| AI in your product | OpenRouter text-generation and streaming helpers; you build the interface. Customer AI guide. | Vercel AI SDK integration and an example chatbot with saved conversations and streaming. Chatbot docs. |
Both support AI coding
Supastarter explicitly supports Codex, Claude Code, and Cursor. Its included Agent Skills cover feature development, database changes, payments, testing, and deployment. Ghoststack uses shared AGENTS.md instructions, a Claude Code adapter, and portable prompts with verification steps. Its optional MCP examples help you configure service connections; account authentication remains a separate step. Choose based on the workflow and application scope you want your agent to work within.
Included features versus guided additions
Ghoststack keeps optional additions in its guides. A blog, support chat, or your own documentation website becomes an implementation task when you need it. The included Markdown guides are reference material for you and your agent. Supastarter already includes a blog and a docs application in its documented architecture. Compare your launch requirements against those boundaries before choosing.
Which fits your first project?
- Choose Ghoststack if you want a guided first app, are comfortable using Supabase and Stripe, and prefer adding optional features as you learn.
- Consider Supastarter if team accounts, multiple languages, broader provider choices, or an included chat interface are requirements for your initial product.
With Ghoststack, public pages can be previewed before adding service keys. Sign-in, payments, email, and AI still need configuration and testing. Your product's unique feature, hosting, service accounts, and usage costs remain yours to plan. Read the first setup steps before committing.