SINTER VS SHIPFAST
ShipFast gets you launched fast. Sinter gets you launched and keeps your codebase reliable as it grows. Here's an honest comparison so you can pick the right one.
What ShipFast does well
ShipFast is a one-time purchase starting at $199 with lifetime updates and an unlimited-projects license. For shipping a SaaS quickly it delivers: auth, Stripe payments and webhooks, transactional email with DNS setup, a landing page, and a blog, all pre-wired on Next.js.
It's built by Marc Lou, who has one of the strongest build-in-public followings in the indie space, and it comes with an active community of thousands of makers. If your priority is getting a first version live this week, ShipFast does that well.
ShipFast also markets compatibility with AI editors like Cursor, Copilot, and Claude, so an assistant can generate code that follows the project conventions.
Where the gap shows
A starter kit hands you a starting point. After that, the codebase is yours to maintain, and its quality tends to stay roughly where it began. ShipFast focuses on launch scaffolding, not on the tooling that keeps quality from slipping as you add features. It does not advertise a test suite, automated quality gates, or architecture-audit tooling.
Its AI story is about code generation: your editor understands the file structure and naming conventions. That is useful, and it is different from shipping AI development infrastructure such as agent workflows, behavior testing for AI output, or guardrails. ShipFast does not claim any of those.
So the question is not whether ShipFast can launch your app. It can. The question is what your codebase looks like at month three, when you're adding the tenth feature and fixing the same class of bug for the third time.
Where Sinter fits
Sinter is a production-ready Next.js starter built for Claude Code, priced at $249 one-time. It covers the same launch basics: auth, payments, email, and a landing page. The difference is everything layered on top for the months after launch.
It ships around 40 quality checks across pre-commit, pre-push, and CI, including dead-code and circular-import detection, secret scanning, accessibility checks, and bundle-size monitoring. A pnpm doctor command runs 35 named integrity checks across auth, database policies, design tokens, and environment setup.
It is also built so the codebase learns. A knowledge system captures every fix as a reusable micro-lesson, more than 400 so far, so the same problem does not cost you twice. That compounding is the part a feature checklist misses.
ShipFast makes the first launch fast. Sinter is built to make every launch after the first one faster too.
Side by side
| Sinter | ShipFast | |
|---|---|---|
| Pricing | $249 one-time, lifetime updates | From $199 one-time, lifetime updates |
| Stack | Next.js App Router, Supabase, Stripe payments | Next.js, Google OAuth + magic links, Stripe or Lemon Squeezy, MongoDB or Supabase |
| Built for Claude Code | Yes: slash commands, agents, MCP, hooks | AI-editor compatible for code generation |
| Quality gates | ~40 automated checks plus pnpm doctor (35 checks) | Not advertised |
| Security & hardening | Threat model, live-DB RLS validation, destructive migrations blocked in CI, OWASP LLM Top 10 | Rate limiting, security headers, input validation documented; no CI security gates |
| Specialized AI agents | 15 agents | Not included |
| Knowledge system | 400+ reusable micro-lessons | Not included |
| Design system | 30+ Base UI components, WCAG AA enforced in CI | Tailwind components |
| Community | Newer and smaller | Thousands of makers, active Discord |
| Best for | Codebases you maintain for years | The fastest possible first launch |
$249 one-time, lifetime updates
From $199 one-time, lifetime updates
Next.js App Router, Supabase, Stripe payments
Next.js, Google OAuth + magic links, Stripe or Lemon Squeezy, MongoDB or Supabase
Yes: slash commands, agents, MCP, hooks
AI-editor compatible for code generation
~40 automated checks plus pnpm doctor (35 checks)
Not advertised
Threat model, live-DB RLS validation, destructive migrations blocked in CI, OWASP LLM Top 10
Rate limiting, security headers, input validation documented; no CI security gates
15 agents
Not included
400+ reusable micro-lessons
Not included
30+ Base UI components, WCAG AA enforced in CI
Tailwind components
Newer and smaller
Thousands of makers, active Discord
Codebases you maintain for years
The fastest possible first launch
Questions
It depends on what you are optimizing for. ShipFast is excellent at getting a first version live fast and has a larger community. Sinter costs $249 one-time and focuses on what happens after launch: quality gates, AI development infrastructure for Claude Code, and a knowledge system that compounds. If you plan to maintain the codebase for years, Sinter is built for that.
Close. ShipFast starts at $199 one-time and Sinter is $249 one-time, and both include lifetime updates. The difference is less about price and more about what each one invests in: ShipFast in launch speed, Sinter in long-term codebase reliability.
ShipFast markets compatibility with AI editors including Claude, Cursor, and Copilot, so an assistant can generate code that matches the project conventions. It does not ship Claude Code specific infrastructure like slash commands, specialized agents, or MCP integrations. Sinter is built around those.
Get started
Sinter is $249 one-time. Pay once, own the code, updates included. Auth, payments, quality gates, and AI development infrastructure, ready to go live.
Get Sinter: $249One-time purchase, excl. local taxes.