Compare

ExtensionFast vs Indie Kit

Focuses on Next.js apps rather than browser extensions

Which to pick

Pick ExtensionFast if you want…

  • Monetized browser-extension boilerplate
  • Integrations with Firebase Auth, Chrome Web Store or React (on ExtensionFast's list, not Indie Kit's)

Pick Indie Kit if you want…

  • Full-stack SaaS starter with AI-optimized code
  • Next.js starter kit
  • Integrations with Next.js, TypeScript or Tailwind CSS (on Indie Kit's list, not ExtensionFast's)

Side by side

What it is
ExtensionFast:ExtensionFast provides a ready-to-ship, monetized Chrome/Firefox/Edge extension boilerplate with payments, auth, and store submission tools.
Indie Kit:Indie Kit is a Next.js 15 boilerplate that provides production-ready SaaS features for solo developers.
Best for
ExtensionFast:Monetized browser-extension boilerplate
Indie Kit:Full-stack SaaS starter with AI-optimized code
Who it’s for
ExtensionFast:Developers who want to quickly launch a paid browser extension without building infrastructure from scratch.
Indie Kit:Solo developers and indie hackers building SaaS or B2B apps.
Pricing
ExtensionFast:Paid
Indie Kit:Paid
Works with
ExtensionFast:Stripe, Firebase Auth, Chrome Web Store, React, WXT
Indie Kit:Next.js, TypeScript, Tailwind CSS, shadcn/ui, Stripe, Lemon Squeezy, Supabase, PlanetScale

ExtensionFast features

  • Stripe payments. Fully wired one-time and subscription payments with webhook handling.
  • Firebase authentication. Google and email sign-in built in, with protected API routes.
  • Cross-browser support. Runs on Chrome, Firefox and Edge out of the box.
  • React + WXT boilerplate. Production-ready UI components and build setup.
  • Web Store submission guides. Templates and step-by-step help for publishing extensions.
  • AI-native agent recipes. Includes AGENTS.md and ready-made agent scripts for automation.

Indie Kit features

  • Quota & Plan Management. Built-in user limits and subscription handling without custom hacks.
  • AI-Optimized Development. Pre-trained Claude and Cursor AI skills accelerate feature generation.
  • Background Jobs & Emails. Integrated email templates, sequences and job scheduling via Inngest.
  • Super Admin Dashboard. Admin UI for user, plan, waitlist and contact form management.
  • Multi-Tenancy & B2B Support. Organization auth, team roles and plan-based billing for B2B products.
  • SEO & JSON-LD. Ready-made SEO components with JSON-LD for immediate search visibility.
  • Modern UI Components. Full shadcn/ui support and Tailwind CSS styling out of the box.
  • Secure Auth. Social login, magic links and role-based API protection.

ExtensionFast vs Indie Kit FAQ

Is ExtensionFast or Indie Kit free?+

No, both are paid and neither has a free plan.

Do ExtensionFast and Indie Kit integrate with the same tools?+

Partly. Both list Stripe. ExtensionFast also lists Firebase Auth, Chrome Web Store, React and WXT; Indie Kit also lists Next.js, TypeScript, Tailwind CSS, shadcn/ui and 9 more.

On DevHunt

ExtensionFast

0 upvotes · Launched on DevHunt on Jan 6, 2026

Indie Kit

331 upvotes · Launched on DevHunt on Apr 15, 2025

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