---
lang: en
title: "Kinde Developer Authentication vs Supabase Identity & Authentication"
canonical: "https://saasspecs.com/kinde-vs-supabase/"
hvce_version: 1
tenant: saasspecs
slug: kinde-vs-supabase
record_kind: comparison
content_sha256: 18c4ebc9c6237f17bbd8d8af59bc8c5635afa1ed06c344283d577295934304db
indexed_at: "2026-06-15T06:32:32.875Z"
license: citation-free
entities:
  -
    role: a
    slug: kinde
    name: Kinde Developer Authentication
    type: Thing
    profile_url: "https://saasspecs.com/item/kinde/?format=md"
  -
    role: b
    slug: supabase
    name: "Supabase Identity & Authentication"
    type: Thing
    profile_url: "https://saasspecs.com/item/supabase/?format=md"
---
# Kinde Developer Authentication vs Supabase Identity & Authentication

## Pair

- **A**: Kinde Developer Authentication
- **B**: Supabase Identity & Authentication

## Entity A

- **Title**: [Kinde Developer Authentication](https://saasspecs.com/item/kinde/?format=md)
- **Schema type**: Corporation
- **Website**: https://kinde.com
- **Email**: support@kinde.com
- **Address**: 100 George Street, Sydney, NSW, 2000, Australia
- **Coordinates**: -33.8688, 151.2093
- **Deployment Link**: [Deploy Kinde Developer Authentication Stack Layer](https://kinde.com/affiliate-placeholder)

### Summary

A modern, fast developer identity ecosystem designed specifically to optimize SaaS product architecture and multi-tenant scaling.

### Description

Kinde is built ground-up to streamline modern SaaS launches. It features deep, native multi-tenancy configurations right out of the box, letting developers build cross-organization routing loops without custom schema management patterns.

### Attributes

- **Free Tier Allowance**: 10,000 MAU
- **Rate Limit Cap**: 3,000 RPM
- **Session Lifetime**: 720 Hours
- **Overage Fee per 1k MAU**: $0
- **MFA Support**: SMS Codes, TOTP, Email Codes
- **Enterprise SSO SAML**: Supported on standard scale plans via direct dashboard configuration
- **Custom Domain Support**: Included in primary paid tiers with zero infrastructure penalty
- **Supported SDKs**: Next.js, React, Remix, SvelteKit, TypeScript, Python, Ruby, Elixir
- **Social Providers**: Google, GitHub, Apple, Slack, Microsoft, Bitbucket, LinkedIn
- **Compliance Standards**: SOC2 Type II Certified, GDPR Compliant, CCPA Aligned
- **Webhook Fallback Policy**: Immediate delivery loops with automatic retries across standard intervals

## Entity B

- **Title**: [Supabase Identity & Authentication](https://saasspecs.com/item/supabase/?format=md)
- **Schema type**: Corporation
- **Website**: https://supabase.com
- **Email**: support@supabase.io
- **Address**: 85 Harrison St, San Francisco, California, 94105, United States
- **Coordinates**: 37.7833, -122.3999
- **Deployment Link**: [Deploy Supabase Identity & Authentication Stack Layer](https://partner.supabase.com/your-affiliate-id)

### Summary

An open-source Firebase alternative utilizing a highly scalable PostgreSQL metadata engine.

### Description

Supabase Auth provides a robust authentication layer built on GoTrue. It scales smoothly up to high-volume user tiers without custom backend code infrastructure.

### Attributes

- **Free Tier Allowance**: 50,000 MAU
- **Rate Limit Cap**: 10,000 RPM
- **Session Lifetime**: 24 Hours
- **Overage Fee per 1k MAU**: $0
- **MFA Support**: TOTP, WebAuthn, Phone SMS
- **Enterprise SSO SAML**: Available on Pro & Enterprise tiers via custom identity mapping
- **Custom Domain Support**: Available on Pro Tier ($20/mo) with full SSL configuration
- **Supported SDKs**: Next.js, React, Vue, Svelte, Node, Python, Go, Flutter, Swift
- **Social Providers**: Google, GitHub, Apple, Discord, GitLab, Bitbucket, Twitter
- **Compliance Standards**: SOC2 Type II, GDPR, HIPAA Compliant (with BAA agreement)
- **Webhook Fallback Policy**: Exponential backoff up to 24 hours with automatic failure truncation

## Facts (machine-readable)

| axis | unit | a_value | b_value | a_display | b_display |
| --- | --- | --- | --- | --- | --- |
| Free Tier Allowance | MAU | 10000 | 50000 | 10,000 MAU | 50,000 MAU |
| Rate Limit Cap | RPM | 3000 | 10000 | 3,000 RPM | 10,000 RPM |
| Session Lifetime | Hours | 720 | 24 | 720 Hours | 24 Hours |
| Overage Fee per 1k MAU | USD | 0.015 | 0.003 | 0.02 USD | 0 USD |

## Metrics

- **Free Tier Allowance**: 10,000 MAU / 50,000 MAU
- **Rate Limit Cap**: 3,000 RPM / 10,000 RPM
- **Session Lifetime**: 720 Hours / 24 Hours
- **Overage Fee per 1k MAU**: 0.02 USD / 0 USD

## Comparison context

This comparison covers the following catalog entities:

- [Kinde Developer Authentication](https://saasspecs.com/item/kinde/?format=md) (a)
- [Supabase Identity & Authentication](https://saasspecs.com/item/supabase/?format=md) (b)