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Kinde vs Supabase
Supabase is an open-source Postgres backend with auth, but billing and feature-flag management are separate services.
Which to pick
Pick Kinde if you want…
- Unified auth, feature flags and billing
- Integrations with Remix, Nuxt or SvelteKit (on Kinde's list, not Supabase's)
Pick Supabase if you want…
- Postgres-backed backend as a service
- Open-source backend with auth
- Open-source code (supabase/supabase on GitHub, Apache-2.0 license)
- Integrations with Next.js, Expo React Native or OpenAI (on Supabase's list, not Kinde's)
Side by side
- What it is
- Kinde:Kinde is an all-in-one platform that provides authentication, access management, feature flags and recurring billing for SaaS products.
- Supabase:Supabase is an open-source platform that provides a hosted Postgres database with auth, realtime, storage, edge functions and vector search.
- Best for
- Kinde:Unified auth, feature flags and billing
- Supabase:Postgres-backed backend as a service
- Who it’s for
- Kinde:SaaS founders, product teams and engineers who need auth, billing and feature-flagging in one service.
- Supabase:Developers building web, mobile or AI apps who need a full backend without managing servers.
- Pricing
- Kinde:Freemium
- Supabase:Freemium
- Plans
- Kinde:Free $0 · Pro $25 USD per month per month · Plus $75 USD per month per month · Scale $250 USD per month per month
- Supabase:Free $0 · Pro $25 per month · Team $599 per month
- Open source
- Kinde:—
- Supabase:Yes, 110,974 GitHub stars
- Works with
- Kinde:React, Remix, Nuxt, SvelteKit, Python, Java, PHP, Flutter
- Supabase:React, Next.js, Flutter, Expo React Native, OpenAI, Hugging Face, Stripe
Kinde features
- Password & passwordless login. Supports email/password, email-less, social logins and passkeys with MFA.
- Enterprise SSO & B2B orgs. Out-of-the-box SAML, Entra ID, Okta and multi-tenant organization management.
- Feature flag management. Create unlimited feature flags and control releases per environment.
- Recurring billing & transactions. Built-in subscription billing with per-transaction fees as low as 0.5%.
- Single SDK & multi-language support. One library with SDKs for JavaScript, TypeScript, Python, Java, .NET, PHP, Flutter, Ruby and more.
- Customizable UI & branding. Edit sign-in pages with HTML/CSS or React and remove Kinde branding on paid plans.
- Security & compliance. MFA, attack protection, SOC 2 and ISO 27001 reports, RBAC and audit logs.
- Developer tools & webhooks. Unlimited webhooks, API keys, custom claims and workflow actions.
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.
Kinde vs Supabase FAQ
Is Kinde or Supabase free?+
Kinde has a free plan; paid plans start at $25/month (Pro). Supabase has a free plan; paid plans start at $25/month (Pro).
Which is cheaper, Kinde or Supabase?+
They start at the same price: Kinde's Pro plan ($25/month) and Supabase's Pro plan ($25/month) cost the same.
Is Kinde or Supabase open source?+
Supabase is open source (supabase/supabase on GitHub, Apache-2.0 license). DevHunt has no public source repository on record for Kinde.
Do Kinde and Supabase integrate with the same tools?+
Partly. Both list React and Flutter. Kinde also lists Remix, Nuxt, SvelteKit, Python and 2 more; Supabase also lists Next.js, Expo React Native, OpenAI, Hugging Face and 1 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.