Next.js SaaS Boilerplates Compared: ShipFast vs Supastarter vs LaunchKit (2026)

Choosing a SaaS boilerplate is a high-stakes decision — it's the foundation of your product. I've evaluated the major Next.js SaaS starter kits in 2026. Here's an honest comparison. The contenders Feature ShipFast Supastarter MakerKit LaunchKit Price $199 $249 $299 $49 Framework Next.js 14 Next.js 14 Next.js 14 Next.js 16 Auth NextAuth v4 Supabase Auth Supabase Auth Auth.js v5 Database MongoDB Supabase Supabase Prisma + PostgreSQL Payments Stripe/Lemon Squeezy Stripe Stripe Stripe AI Built-in ❌ ❌ ❌ ✅ Streaming chat Email Mailgun Resend Resend Resend TypeScript Partial Yes Yes Strict mode App Router Yes Yes Yes Yes ShipFast ($199) Pros: Created by Marc Lou, who has a massive Twitter following Strong community and social proof Includes SEO tools and landing page templates Battle-tested by thousands of users Cons: Still on Next.js 14 and NextAuth v4 MongoDB (not everyone wants NoSQL for SaaS) No AI features $199 for what's essentially auth + billing + landing page Best for: Indie hackers