Saas.js vs Modular NextJS: Head-to-Head Comparison
Choosing between Saas.js and Modular NextJS? We've compared both boilerplates across pricing, features, tech stack, and more. Saas.js is $454 cheaper, but pricing isn't everything. Let's dive into the details.
At a glance: Saas.js costs $245 - $949 and Modular NextJS costs $699 - $2099, so Saas.js is $454 cheaper to start. Both are built on NextJS. Only Saas.js lists Auth, Payments, Database, Email, Multi-tenancy. Updated 2026-11-05.
Saas.js
Saas.js (formerly Saas UI): TanStack Start and Next.js starter kit for B2B SaaS with Better Auth, workspaces, Stripe billing, Drizzle, tRPC and tests.
Modular NextJS
Modular NextJS: Scalable architecture for efficient SaaS development with modular components.
Saas.js Tech Stack
NextJS Better Auth 
React 
TypeScript 
Chakra 
Figma 
PostgreSQL 
Drizzle 
TanStack 
Playwright 
Resend 
Stripe Modular NextJS Tech Stack
NextJS | Specification | Saas.js | Modular NextJS |
|---|---|---|
| Starting price | $245 | $699 |
| Price range | $245 - $949 | $699 - $2099 |
| Stack | NextJS, Better Auth, React, TypeScript, Chakra, Figma, PostgreSQL, Drizzle, TanStack, Playwright, Resend, Stripe | NextJS |
| Integrations listed | 15 | 0 |
| Auth | ✓ | — |
| Payments | ✓ | — |
| Database | ✓ | — |
| ✓ | — | |
| AI | — | — |
| Admin Panel | — | — |
| Multi-tenancy | ✓ | — |
| SEO | — | — |
| Blog | — | — |
| Analytics | — | — |
| Agent readiness · checked 2026-08-17 | ||
| AGENTS.md included | ✓ | ? |
| CLAUDE.md included | ✓ | ? |
| Cursor rules included | — | ? |
| Ships Claude skills | — | ? |
| Ships subagents | — | ? |
| MCP integrations | ✓ | ? |
| Tests an agent can run | ✓ | ? |
| TypeScript | ✓ | ? |
| Agent-readiness score | 65/100 | 0/100 |
| Everything else either kit lists | ||
| 2FA | ✓ | — |
| API | ✓ | — |
| Billing | ✓ | — |
| CI/CD | ✓ | — |
| Components | ✓ | — |
| Dashboard | ✓ | — |
| Documentation | ✓ | — |
| Onboarding | ✓ | — |
| Themes | ✓ | — |
| User Management | ✓ | — |
A question mark means the vendor's public documentation does not mention that capability. It is not a statement that the boilerplate lacks it. How we score agent readiness
Specifications last updated , from the BoilerplateHub catalog.
Which Should You Choose?
Choose Saas.js if you prioritize 2FA and API. Choose Modular NextJS if are more important to your project.
Frequently Asked Questions
What is the difference between Saas.js and Modular NextJS?
Saas.js costs $245 and includes 15 features. Modular NextJS costs $699 and includes 0 features. Saas.js uniquely offers 2FA, API, Auth.
Which is cheaper, Saas.js or Modular NextJS?
Saas.js is cheaper at $245, which is $454 less than Modular NextJS ($699).
Do Saas.js and Modular NextJS use the same tech stack?
Yes, both share NextJS in common. Saas.js uses Better Auth, React, TypeScript, Chakra, Figma, PostgreSQL, Drizzle, TanStack, Playwright, Resend, Stripe exclusively, while Modular NextJS uses no unique tech exclusively.
Which has more features, Saas.js or Modular NextJS?
Saas.js has more features (15 vs 0). See the feature matrix above for the full breakdown.
Should I choose Saas.js or Modular NextJS?
Choose Saas.js if you need 2FA and API and prefer its tech stack. Choose Modular NextJS if are higher priorities. If price is the deciding factor, Saas.js is $$454 cheaper.