Best Auth0 Alternatives for Indie Hackers in 2026 (Honest Picks)

Auth0 is excellent technology with a pricing model that punishes you for succeeding. The free tier looks generous at 25,000 monthly active users, but the moment you need real production features or cross a usage tier, the bill moves fast.

Here's the part that catches founders. The per-user overage rate is $0.07, raised 300% from the old rate, so a B2C app with 50,000 active users on the Essentials plan lands around $3,500 a month, not the $35 sticker. One company reported its bill jumping from $240 to $3,729 a month after growing users just 1.67x. B2B plans cap enterprise SSO connections too, so your sixth enterprise customer can force you into a custom contract that often starts in five figures. Auth0 is owned by Okta now, and the pricing reflects an enterprise mindset, not an indie one.

So here's the short version. For most indie hackers, switch to Clerk. If you're already on Supabase, use Supabase Auth. If you want to own your auth and pay nothing, self-host Better Auth. Below is the honest breakdown of all five, with real pricing and who each one is wrong for.

Quick verdict

Clerk: the best developer experience

Clerk is what most React and Next.js teams move to when they leave Auth0, and it's earned that. The pre-built components, <SignIn />, <UserButton />, <OrganizationSwitcher />, plus hooks like useUser and useAuth, let you ship production auth in an afternoon instead of a week. Organization and multi-tenancy support is built in, not gated behind an enterprise tier.

The pricing got dramatically better in early 2026. The free tier now covers 50,000 monthly retained users, up from 10,000. Clerk bills on retained users, not raw signups, so anyone who signs up and never returns within 24 hours doesn't count toward your bill. Above the free tier, Pro is $25 a month and overages run $0.02 per retained user. At 100,000 users that's roughly $1,025 a month, which sounds steep until you price the same scale on Auth0.

The honest cons: Clerk is React-first, so if you're not in the React or Next.js ecosystem, the experience is noticeably less polished. Enterprise SSO connections are now metered on Pro rather than unlimited, so B2B apps selling to many enterprises will see that line item grow. And SMS for MFA passes through Twilio costs as a separate charge. I compared it directly against the incumbent in Clerk vs Auth0 vs Supabase Auth.

Who should not use Clerk: teams outside the React ecosystem, or very low-ARPU consumer apps with huge free user counts where per-user billing eventually bites.

Supabase Auth: free if you're already on Supabase

If your backend is already Supabase, you have auth built in and you're probably underusing it. Supabase Auth handles email and password, magic links, phone auth, and social providers, and it ties directly into Postgres row-level security, so your access rules live in the database next to your data.

The cost story is the best part. Auth is bundled into the Supabase free plan, which covers 50,000 monthly active users alongside your database, storage, and edge functions. The Pro plan is $25 a month and includes 100,000 MAUs, with overages at just $0.00325 per user after that. That's roughly one twentieth of Auth0's overage rate. For a SaaS already paying for Supabase, the marginal cost of auth is close to nothing. If you're weighing the broader backend choice, I broke it down in Convex vs Supabase vs Firebase.

The honest cons: this only makes sense if you're committed to Supabase. The free tier pauses your project after one week of inactivity, which is a dealbreaker for anything user-facing on the free plan. And the components are less polished than Clerk's, so you'll build more of the UI yourself. It's also open source and self-hostable via Docker if you want full control.

Who should not use Supabase Auth: teams not using Supabase for their backend, or anyone who wants drop-in UI components rather than building auth screens.

Better Auth: own your auth, pay nothing per user

Better Auth is the open-source pick, and it's become the default in 2026. It's TypeScript-first, framework-agnostic, and runs entirely in your own stack. There are no per-user fees, ever, because you host it yourself. It's grown fast enough that Auth.js, the long-time open-source standard, is now in maintenance mode under the Better Auth umbrella.

What you get is full control. Sessions, accounts, and user data live in your database, you own every line of the flow, and there's no vendor pricing curve to outrun. For a cost-sensitive indie hacker who expects to scale users faster than revenue, that's a real edge. It supports the things you actually need: email and password, social login, two-factor, organizations, and a plugin system for the rest. I compared it against the hosted options in Better Auth vs Clerk vs Auth.js.

The honest cons: you run it. That means owning the database, session storage, email delivery, and security updates yourself. There's no hosted dashboard, no managed uptime, and no support line when something breaks at 2am. It's more code than a drop-in service, and the responsibility is yours. The freedom from per-user fees comes with the cost of operational ownership.

Who should not use Better Auth: teams with no appetite for running and securing their own auth infrastructure, or anyone who values a managed dashboard and support over zero per-user cost.

Kinde: auth, billing, and feature flags in one

Kinde takes a different angle. Instead of just auth, it bundles authentication, subscription billing, and feature flags into one platform. For an indie hacker building a SaaS from scratch, that's three tools you'd otherwise stitch together, available behind a single integration.

The free tier covers 10,500 monthly active users with no credit card, and paid plans start at $25 a month. A nice touch: paying customers on your own plans don't count toward your MAU allowance, so you're not billed twice for the same user. Organizations, RBAC, MFA, passkeys, and social login are all included rather than gated, and setup genuinely takes minutes. For B2B SaaS that needs orgs and roles from day one, the price-to-feature ratio is the best on this list.

The honest cons: Kinde launched in 2023, so it's the youngest commercial platform here. The catalog of edge-case integrations and the depth of community support are still building compared to Auth0 or Clerk. For a mission-critical deployment, check the support SLA before committing. The all-in-one approach is great until you want best-in-class billing specifically, where a dedicated tool may go deeper.

Who should not use Kinde: teams that need a long track record and a deep integration ecosystem, or those who already have billing and feature flags solved and only want auth.

WorkOS: the most generous free tier

WorkOS built its name on enterprise SSO, but its AuthKit product turned it into a full user-management platform, and the free tier is unmatched. AuthKit is free for up to 1,000,000 monthly active users, including social login, MFA, RBAC, and passkeys. For an indie hacker who expects a large free user base, that ceiling removes upgrade anxiety entirely.

The model is modular. User management is free to that 1M ceiling, then $2,500 per additional million users. Enterprise SSO is priced per connection, which is the real variable: it's cheap when you have a handful of enterprise customers and expensive when you have dozens. That structure is ideal if you plan to charge enterprise customers a premium for SSO, since the cost maps directly to revenue.

The honest cons: the per-connection SSO pricing can balloon for SSO-heavy B2B businesses, roughly $6,600 a month at 75 connections, so model your enterprise customer count before committing. WorkOS is also more enterprise-flavored than Clerk or Kinde, so the developer experience is clean but less consumer-app focused.

Who should not use WorkOS: small B2C apps that will never need enterprise SSO, where the enterprise orientation is overkill, or SSO-heavy businesses that haven't priced the per-connection cost.

How do you choose?

It comes down to where you are and what you're building.

Want the fastest, most polished path and you're on React? Pick Clerk. It's the safe default for most indie hackers and the one I'd reach for first.

Already running Supabase? Use Supabase Auth. The marginal cost is near zero and the database integration is genuinely useful.

Cost-sensitive or privacy-minded, and comfortable running infrastructure? Self-host Better Auth and never pay per user again.

Building a SaaS that needs billing and feature flags too? Kinde gives you all three in one integration at a fair price. And if you expect a massive free user base or sell SSO to enterprises, WorkOS and its 1M free MAU ceiling is hard to argue with.

Final recommendation

For most indie hackers leaving Auth0, switch to Clerk. The free tier is generous at 50,000 retained users, the React experience is the best in the category, and the pricing is predictable as you grow.

If you're already on Supabase, there's no reason to add a separate auth vendor, use Supabase Auth. If you want to own your stack and eliminate per-user fees, self-host Better Auth. Choose Kinde if you want auth, billing, and feature flags bundled, and WorkOS if a huge free tier or enterprise SSO sales motion is your priority.

The one thing not to do is stay on Auth0 by default while it quietly taxes your growth. Every option here is cheaper as you scale, and migrating is usually a weekend job thanks to bcrypt hash imports. Pick the one that matches your stack and move before the next tier jump.

Switched off Auth0 to something not on this list? Tell me what you picked on Twitter @devtoolpicks.