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MERN SaaS Starter Kit vs Supabase

Supabase supplies a hosted Postgres database and auth APIs, whereas this kit is a full MERN codebase you run yourself.
MERN SaaS Starter KitA open source free SaaS subscription starter kit SupabaseOpen-source Postgres development platform

Which to pick

Pick MERN SaaS Starter Kit if you want…

  • Full-stack SaaS starter kit
  • A free, open-source tool
  • Integrations with Node.js, Express or MongoDB (on MERN SaaS Starter Kit's list, not Supabase's)

Pick Supabase if you want…

  • Postgres-backed backend as a service
  • Hosted Postgres + auth platform
  • Integrations with Next.js, Flutter or Expo React Native (on Supabase's list, not MERN SaaS Starter Kit's)

Side by side

What it is
MERN SaaS Starter Kit:A free open-source MERN starter kit with auth, Stripe subscriptions, email, reCAPTCHA and TypeScript-based full-stack boilerplate.
Supabase:Supabase is an open-source platform that provides a hosted Postgres database with auth, realtime, storage, edge functions and vector search.
Best for
MERN SaaS Starter Kit:Full-stack SaaS starter kit
Supabase:Postgres-backed backend as a service
Who it’s for
MERN SaaS Starter Kit:Developers building SaaS products with the MERN stack who want a production-ready foundation.
Supabase:Developers building web, mobile or AI apps who need a full backend without managing servers.
Pricing
MERN SaaS Starter Kit:Open source
Supabase:Freemium
Plans
MERN SaaS Starter Kit:—
Supabase:Free $0 · Pro $25 per month · Team $599 per month
Open source
MERN SaaS Starter Kit:Yes, 2 GitHub stars
Supabase:Yes, 110,974 GitHub stars
Works with
MERN SaaS Starter Kit:React, Node.js, Express, MongoDB, Stripe, AWS SES, Mailgun, Nodemailer
Supabase:React, Next.js, Flutter, Expo React Native, OpenAI, Hugging Face, Stripe

MERN SaaS Starter Kit features

  • Authentication. Local email/password login with bcrypt and Google OAuth 2.0, plus email verification and password recovery.
  • Payments & Subscriptions. Stripe integration supporting multiple plans, monthly/annual billing and webhook-driven subscription management.
  • Email System. Configurable email sending via AWS SES, Mailgun or Nodemailer with templates and retry logic.
  • Security. Rate limiting, CSRF protection, Google reCAPTCHA v3 and security headers for hardened endpoints.
  • Modern Frontend. React 19 with TypeScript, Tailwind CSS, shadcn/ui components and React Query for cached API data.
  • Backend Architecture. Express.js API written in TypeScript, MongoDB with Mongoose, and RESTful routes with role-based access.

Supabase features

  • Managed Postgres. Each project gets its own dedicated Postgres instance with built-in Row Level Security.
  • Authentication. User sign-up, login, social OAuth and MFA with automatic JWT handling.
  • Realtime API. Live data synchronization for multiplayer or collaborative experiences.
  • Edge Functions. Serverless functions that run close to the database without provisioning servers.
  • Storage & CDN. File storage with 1 GB free, cached egress and basic CDN for serving assets.
  • Vector Embeddings. Store, index and search vector embeddings via OpenAI or Hugging Face integrations.
  • Instant REST/GraphQL APIs. Auto-generated APIs for any table, accessible via the client library.
  • Dashboard & Tools. SQL/Table editors, RLS policy UI, log viewer and backup controls in a web console.

MERN SaaS Starter Kit vs Supabase FAQ

Is MERN SaaS Starter Kit or Supabase free?+

MERN SaaS Starter Kit is free and open source. Supabase has a free plan; paid plans start at $25/month (Pro).

Which is cheaper, MERN SaaS Starter Kit or Supabase?+

MERN SaaS Starter Kit is free, so it costs less. Supabase starts at $25/month (Pro).

Is MERN SaaS Starter Kit or Supabase open source?+

Yes, both are open source: MERN SaaS Starter Kit (viitormasc/SaaS-Subscription-Auth-Starter-Kit on GitHub) and Supabase (supabase/supabase on GitHub, Apache-2.0 license).

Do MERN SaaS Starter Kit and Supabase integrate with the same tools?+

Partly. Both list React and Stripe. MERN SaaS Starter Kit also lists Node.js, Express, MongoDB, AWS SES and 5 more; Supabase also lists Next.js, Flutter, Expo React Native, OpenAI and 1 more.

On DevHunt

MERN SaaS Starter Kit

0 upvotes · Launched on DevHunt on Jan 6, 2026

MERN SaaS Starter Kit on DevHunt →

Supabase

Listed by DevHunt

Supabase on DevHunt →Supabase alternatives

Based on each tool's website and DevHunt data. Details may change; check the official sites.