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Stytch is a modern authentication platform that many developers explore when adding passwordless login, MFA, and user management to their applications. Its clean APIs, polished documentation, and elegant UX make it appealing for teams that want a quick, low-friction way to launch authentication.

As products grow, developers often discover that Stytch’s focus on providing authentication building blocks increases the amount of custom engineering required. Because teams must assemble and maintain the authentication logic themselves, adding new requirements becomes more time-consuming. As organizations introduce multi-tenant B2B features, enterprise SSO needs, or more complex user journeys, the amount of custom code and ongoing maintenance grows, creating additional overhead and slowing development over time.

Below, we break down the top reasons developers look beyond Stytch, followed by a closer look at the best alternatives available today.

Why developers seek Stytch alternatives

Many teams outgrow Stytch for a few key reasons:

  • Limited flexibility and high engineering effort: Stytch’s building blocks require teams to maintain complex auth flows, slowing updates as requirements change.

  • MFA limitations: Not all authentication methods can be used as MFA. Adaptive or risk-based MFA is not available. Passkeys and magic links cannot be used as MFA methods.

  • Multi-tenancy: Stytch offers basic multi-tenant objects but leaves all orchestration to engineers.

  • Authorization: Stytch provides basic tenant-scoped RBAC but lacks attribute-based authorization, contextual/risk-driven policies, admin tooling, or lifecycle automation.

  • Weak tenant  and B2B support: Stytch’s B2B offering is new and lacks native FGA, enterprise IdPs, and advanced federation.

  • Fragmented identity model: Stytch treats B2C and B2B as separate products, creating different workflows and patterns to manage rather than a single unified identity platform.

  • Rigid integrations: Integrating with legacy systems or migrating from an existing identity provider often requires re-architecting authentication flows.

  • Session constraints: Abstracted session and token handling limit long-lived sessions, service tokens, and fine-grained lifecycle control.

  • Orchestration gaps: Stytch offers little built-in support for user lifecycle workflows, enrichment, or business logic automation.

  • Limited integration capabilities: Stytch’s Connected Apps let you act as an OAuth or OIDC identity provider, but they do not support data-level integrations with external services, leaving these integrations to custom engineering.

  • Cost unpredictability: Pricing can scale quickly as MAU, MFA usage, or advanced features grow.

Each alternative below addresses these gaps differently depending on your technical requirements, ecosystem, and growth stage.

Descope

Overview

Descope is a modern customer and agentic IAM platform built for developers who want flexible, secure authentication without taking on the overhead of managing complex infrastructure. 

Unlike Stytch, which separates B2C and B2B capabilities into different products and places constraints on customization, Descope provides a unified multi-tenant platform focused on simplicity, speed, and full control of identity flows for customers, partners, AI agents, and MCP servers.

Descope Flows homepage
Fig: Descope Flows homepage

Descope is particularly strong for B2C and B2B SaaS applications that need tenant-aware SSO, fine-grained authorization, and rich orchestration. It also supports new identity frontiers such as AI agents and MCP-based ecosystems where delegated trust and secure automation are essential.

Descope’s unique approach is based on Descope Flows, a no / low code journey-time orchestration interface that lets teams visually design flows for authentication, MFA, SSO, consent management, AI agent authentication, and more.

Customer Story: Why You.com Moved From Stytch to Descope

Key capabilities

SSO Setup Suite IdP selection
Fig: IdP selection in SSO Setup Suite

Strengths

  • Visual workflows: Descope’s drag & drop editor lets developers design login, signup, MFA, and SSO flows without backend scripting or custom glue code. This simplifies auth implementation and speeds up time to production.

  • Predictable pricing and responsive support: Descope offers transparent, usage-based pricing with no hidden fees or surprise jumps. Teams benefit from fast, knowledgeable support to help them implement, troubleshoot, and scale with confidence, as evidenced by Descope winning the Best Support G2 badge the last five quarters in a row.

  • Streamlined SSO: Build and manage SSO journeys with workflows, enable self-service setup, and migrate existing configurations with no disruption.

  • Passwordless authentication: Descope supports passkeys, magic links, OTP, and social login natively. These methods can be easily added to any flow, reducing reliance on passwords while improving UX and security.

  • Omnichannel authentication: With Descope, authentication flows can be unified across web, mobile, and third-party or partner applications. The same no-code or low-code workflows can be reused across environments, making updates and scaling easier over time.

  • Adaptive MFA: Descope allows developers to choose from a wide range of MFA methods and integrate seamlessly into their flows. MFA can be enforced only when needed using native and third-party risk signals, without overhauling existing auth systems.

  • AI agent ready: Descope supports secure authentication and access control for AI agents and MCP servers with its Agentic Identity Hub.

  • Built for developers: Whether using hosted components or fully custom UIs, Descope gives developers flexibility with SDKs and APIs in React, Node.js, Python, Flutter, and more. The platform fits into any tech stack without locking teams into rigid patterns.

Ideal for

Descope is a strong choice for developers and product teams that want to launch and scale authentication without taking on the operational complexity that often appears when using Stytch for multi-tenant, enterprise, or orchestration-heavy environments. It is also well suited for AI-driven applications that require identity controls for both users and autonomous agents.

Customer Story: Why Branch Insurance Chose Descope Over Stytch

Auth0

Overview

Auth0, part of Okta, is an established external identity platform and has been a popular choice for teams that want a mature, enterprise-ready solution. While Stytch focuses on clean developer UX and passwordless-first design, Auth0 offers a broader feature set with extensive protocol support, advanced SSO capabilities, and a long track record in large-scale deployments. 

For teams that need maturity and broad standards coverage, Auth0 remains a leading alternative to Stytch, especially for applications that must integrate with a wide range of enterprise identity providers.

Auth0 Homepage
Fig: Auth0 homepage

Key capabilities

  • SAML, OIDC, and OAuth2 support for enterprise-grade SSO

  • MFA options including WebAuthn, TOTP, SMS, and push notifications

  • Rules and Actions for extending authentication and authorization logic

  • Hosted login pages and customizable UIs for user journeys

Strengths

  • Broad protocol support: Works with SAML, OIDC, and OAuth2 for common enterprise SSO needs.

  • Flexible extensibility: Rules and Actions allow customization of authentication and authorization flows.

  • Established integrations: Offers a wide range of prebuilt connections to identity, analytics, and developer tools.

Ideal for

Auth0 is well suited for organizations that need a mature, enterprise-ready identity platform with broad standards support. Companies evaluating Stytch and looking for more extensive SSO capabilities often consider Auth0 when enterprise identity compatibility and protocol coverage take priority.

Also Read: Why GoodRx Moved From Auth0 to Descope

Amazon Cognito

Overview

Amazon Cognito is AWS’s fully managed authentication and user management service. It integrates directly with the AWS ecosystem and handles scaling, infrastructure, and availability without additional operational overhead. 

Compared to Stytch, Cognito offers stronger native ties to backend services and is often selected by teams that want to consolidate identity and infrastructure within AWS.

Amazon cognito homepage
Fig: Amazon Cognito homepage

Key capabilities

  • Managed user pools for authentication and user management

  • Federation with social and enterprise identity providers

  • MFA and adaptive authentication options

  • Integration with API Gateway, Lambda, and AWS IAM

Strengths

  • Fully managed service: Reduces operational work by handling scaling, availability, and updates.

  • AWS integration: Connects directly to AWS services for API security, access control, and backend workflows.

  • Reliable performance: Designed to support high-volume applications without custom scaling logic.

  • Security alignment: Benefits from AWS compliance standards and defaults.

Ideal for

Teams already invested in AWS infrastructure that want a managed identity service with strong backend integrations. Cognito is a strong Stytch alternative for applications that need deep ties into AWS services or long-term operational stability.

Firebase Authentication

Overview

Firebase Authentication is Google’s developer-focused identity service designed for fast, simple onboarding across mobile and web applications. Many teams start with Firebase because it offers quick setup, client-side SDKs, and seamless integration with Firestore, Cloud Functions, and other Firebase tools. 

Compared to Stytch, Firebase provides a more unified backend experience but offers less flexibility for multi-tenant or enterprise scenarios. It is well suited for projects that prioritize rapid development, mobile-first workflows, and minimal authentication infrastructure.

Firebase auth homepage
Fig: Firebase Authentication homepage

Key capabilities

  • Email and password authentication, OTP, and magic links

  • Social login with major identity providers

  • SDKs for iOS, Android, and web frameworks

  • Seamless integration with Firestore, Storage, and Cloud Functions

Strengths

  • Fast setup: Developers can enable common login methods in minutes with minimal configuration.

  • Mobile-friendly SDKs: Strong support for Android, iOS, and cross-platform frameworks.

  • Integrated backend: Works directly with Firestore and other Firebase products for simplified data and auth workflows.

Ideal for

Early-stage products, mobile apps, and teams that want a simple authentication layer tied closely to a managed backend.

Supabase

Overview

Supabase Authentication is built on GoTrue and tightly integrated with Supabase’s Postgres database, storage, and serverless functions. It appeals to teams that want an open-source backend with authentication built directly into the data layer. 

Compared to Stytch, Supabase offers a more unified developer experience but provides fewer enterprise features for multi-tenancy, SSO, and advanced orchestration. It is a strong choice for applications that rely heavily on Postgres and want authentication, authorization, and database logic to work together without managing separate services.

Supabase homepage
Fig: Supabase homepage

Key capabilities

  • Email and password authentication, magic links, and OAuth providers

  • Postgres row-level security for fine-grained access control

  • Serverless Edge Functions for custom backend logic

  • Self-hosted or fully managed deployment options

  • SDKs for JavaScript, Flutter, and other platforms

Strengths

  • Unified backend: Authentication, database, and functions work together without extra wiring.

  • Row-level security: Ties authorization directly to Postgres, reducing custom logic.

  • Flexible deployment: Supports both managed hosting and self-hosted setups.

Ideal for

Developers building data-intensive applications on Postgres who want integrated authentication and backend services. Supabase is a practical Stytch alternative for teams prioritizing unified tooling and open-source flexibility.

Keycloak

Overview

Keycloak is a widely adopted open-source identity and access management platform maintained by Red Hat. It provides built-in SSO, identity brokering, user federation, and an admin console, which gives teams more enterprise capabilities than Stytch offers out of the box. 

While Keycloak requires more operational work and infrastructure management, it is valued for its extensibility, open-source control, and ability to handle complex federation and policy requirements. It is a strong fit for teams that want full ownership of their identity stack and need features that go beyond Stytch’s primarily developer-focused, API-driven model.

Keycloak homepage
Fig: Keycloak homepage

Key capabilities

  • SSO support for OIDC, OAuth2, and SAML

  • Identity brokering and social login integration

  • LDAP and Active Directory federation

  • Built-in admin console and user self-service portal

Strengths

  • Open-source flexibility: Provides full control for teams that want to customize and self-host.

  • Enterprise compatibility: Integrates well with legacy identity systems and on-premise environments.

  • Extensible architecture: Supports plugins and SPI for deeper customization.

  • Active community: Benefits from broad community adoption and regular contributions.

Ideal for

Organizations that want an open-source identity system with strong SSO and federation capabilities. Keycloak is a suitable Stytch alternative for teams willing to manage infrastructure in exchange for greater control and customization.

Ory Kratos

Overview

Ory is an open-source, API-first identity suite built from modular components such as Ory Kratos, Ory Hydra, and Ory Keto. It offers extensive flexibility for teams that want to assemble a custom identity architecture rather than rely on a single managed platform. 

Compared to Stytch, Ory provides significantly more control over authentication, authorization, and policy logic but requires more engineering effort and operational ownership. It is a strong option for teams that need fine-grained control, self-hosting, or distributed identity workflows that exceed the constraints of Stytch’s more opinionated approach.

Ory Kratos homepage
Fig: Ory Kratos homepage

Key capabilities

  • Modular components for identity, OAuth2, and authorization

  • Self-hosted or cloud-managed deployment options

  • API-driven approach for full customization

  • Policy engine for fine-grained access control

Strengths

  • Modular design: Allows teams to adopt only the identity components they need.

  • High flexibility: Supports custom authentication and authorization patterns.

  • Self-hosting options: Enables full control over infrastructure, data, and compliance.

  • Strong open-source base: Backed by an active community and transparent development.

Ideal for

Engineering teams that want to build a custom identity system with complete control over each component. Ory is a suitable Stytch alternative for applications that require advanced policy models, self-hosting, or a modular approach to authentication and authorization.

Also Read: Why BalkanID Moved From Ory Kratos to Descope

FusionAuth

Overview

FusionAuth is a full-featured customer identity platform that can be deployed as a managed cloud service or fully self-hosted. It provides a comprehensive set of authentication and authorization features, including multi-tenancy, WebAuthn MFA, and an event-driven extension model. 

Compared to Stytch, FusionAuth offers stronger enterprise capabilities and more configuration options, although it requires a greater investment in setup and ongoing management. It is a strong option for teams that want flexibility, advanced policy controls, and the ability to run identity infrastructure on their own terms.

FusionAuth homepage
Fig: FusionAuth homepage

Key capabilities

  • Support for OAuth2, OIDC, and SAML-based SSO

  • WebAuthn, TOTP, SMS, and email MFA

  • Multi-tenant user and application management

  • Event-based workflow customization through webhooks and Lambdas

Strengths

  • Enterprise features built in: Includes multi-tenancy, advanced MFA, and SSO without requiring separate services.

  • Flexible deployment: Offers both managed hosting and full self-hosting for infrastructure control.

  • Protocol coverage: Supports modern and legacy SSO standards for broad compatibility.

Ideal for

Teams that want a powerful, extensible identity platform with options for self-hosting or cloud deployment. FusionAuth is a suitable Stytch alternative for organizations that need deeper enterprise capabilities and more control over how identity services are deployed and customized.

Conclusion 

Stytch offers a clean developer experience and strong passwordless capabilities, but many teams eventually reach its limits as their applications grow. Multi-tenant requirements, enterprise SSO, advanced orchestration, and connector-driven workflows often reveal gaps that lead developers to consider other platforms. The alternatives in this guide provide a range of options that address these needs in different ways, from fully managed services to customizable open-source systems.

Among the available choices, Descope stands out for its unified B2C and B2B platform, visual workflow editor, and broad set of connectors that simplify identity implementation and ongoing management. By handling authentication, authorization, and orchestration in a single system, Descope helps teams focus on building their products instead of maintaining identity workflows.

For more detailed information on Descope, check out our docs. If you'd like a demo, meet with our auth experts. Also, if you want to try Descope yourself, sign up for a Free Forever Account and start dragging & dropping your auth today!