NextJet vs SaaS UI

When choosing between NextJet and SaaS UI, it's essential to understand the key differences that make each boilerplate unique. Both are excellent choices for building SaaS applications, but they cater to different needs and development approaches.

What is NextJet?

NextJet is a full‑stack SaaS boilerplate built with Next.js, TypeScript and modern web‑app tooling, made to give developers a solid, production‑ready foundation when building subscription‑based or SaaS‑style applications. Out of the box it handles core infrastructure: user authentication + authorization (including OAuth and magic‑link support), payment/subscription logic via Stripe or Lemon Squeezy, and pre‑built user dashboards + admin panel. It also includes content‑management and marketing‑side features: a blog and documentation system using MDX, a customizable landing/marketing site, email templates, and onboarding flows. The project follows a modular, maintainable architecture (monorepo via Turborepo, clean folder structure, typesafety via TypeScript), which helps keep code organized, useful if you plan to grow or scale the app over time. Because much of the “plumbing” is already configured, you can skip repetitive setup and get to building your product‑specific logic faster. At the same time, using NextJet means trusting its built‑in architecture, tech stack and conventions. If your project needs a very different stack, unusual backend/data requirements or a minimal footprint, you might need to refactor or drop parts of what comes with the boilerplate.

Developed by Renas Hassan, NextJet has become a popular choice among developers looking for a reliable starting point for their SaaS projects.

What is SaaS UI?

Saas UI is a premium starter kit / boilerplate built on Next.js (with React + TypeScript) designed specifically for building SaaS and B2B web applications quickly and with solid structure. It pairs a rich UI/design system with the backend scaffold and common SaaS plumbing so you don’t have to build everything from scratch. Right away you get a full-featured component library and design system prebuilt UI components, themes, responsiveness, dark/light mode support all optimized for building dashboards, admin panels, web apps or SaaS products. On the functionality side, Saas UI ships with support for user authentication (login/signup, social login options, account management), workspace/team/organization support (workspaces, team invites, role-based access), subscription & billing flows with Stripe (subscription plans, per‑seat or team‑based billing, metered usage and entitlement management), and built‑in support for multi-tenancy / per‑workspace billing/perms. The stack includes a modern backend API layer (via tRPC), a database setup that works with PostgreSQL (and other options), and a dev environment optimized for productivity (TypeScript, Turborepo/monorepo friendly configuration, sensible defaults for linting/formatting).

Created by Eelco Wiersma, SaaS UI offers a robust foundation for building scalable SaaS applications.

When building a SaaS application, choosing the right payment integration is crucial for monetization success. Let's compare the payment options available in NextJet and SaaS UI.

Both NextJet and SaaS UI are excellent choices for building SaaS applications. Your decision should be based on your specific requirements, budget, and technical preferences.

NextJet is ideal if you're looking for a more affordable option with built-in authentication.

SaaS UI stands out for its comprehensive feature set and is perfect for developers who need authentication.

Ultimately, both boilerplates will help you launch your SaaS product faster and more efficiently. Review the detailed comparison above, consider your project requirements, and choose the one that aligns best with your goals.