6 free alternatives to PropelAuth

Auth0's free tier covers up to 25,000 monthly active users, plus 1 custom domain, 5 organizations, 1 enterprise connection, self-service SSO, SCIM, passwordless authentication, unlimited social connections subject to system limitations, brand customization, basic attack protection, and community support. For a builder who mainly needs a hosted identity layer and expects user growth, that is a larger usage envelope than PropelAuth's 10,000 MAU cap. The tradeoff is that the org limit is tighter and the free plan is more narrowly framed around general auth than B2B org-heavy workflows. Switch here if you are hitting user scale first and can live with fewer organizations.

• Beats PropelAuth: Higher monthly active user allowance
• Falls short: Fewer included organizations
• Who should switch: Switch to Auth0 if your main constraint is MAU growth, not organization count.

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Clerk's free tier includes unlimited applications, 50,000 monthly retained users per app, up to 3 dashboard seats, up to 5 user impersonations, custom domain support, most authentication features, and a long list of auth, session, security, and organization controls. It also includes free B2B auth add-on support with 100 MRO per app, up to 20 members per organization, and admin/member roles with custom permissions. Compared with PropelAuth, Clerk gives you more room on retained users and broader frontend auth tooling, while staying free without a card. It falls short on organization scale because the free plan limits org members and dashboard seats more tightly. Switch if you want more standard auth surface area and can accept the smaller org caps.

• Beats PropelAuth: More retained users per app
• Falls short: Lower organization member ceiling
• Who should switch: Switch to Clerk if you need broad auth UI and API coverage with a bigger free user cap.

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Logto's free tier includes up to 50,000 monthly active users, 50,000 tokens per month, 3 total applications, 1 machine-to-machine app, 3 social connectors, 1 custom domain, 1 webhook, audit logs with 3-day retention, and 1 tenant member for console access. It also includes account APIs, user management, and user authentication. Against PropelAuth, the standout is the larger MAU limit and the explicit token quota, which helps if your auth traffic is token-heavy. It falls short on organization depth and B2B-specific ergonomics because the free tier is more constrained on apps, console access, and tenant members. Switch if your app is growing on pure auth volume rather than org management.

• Beats PropelAuth: Higher monthly active user allowance
• Falls short: Tighter console and app limits
• Who should switch: Switch to Logto if you want more free headroom on MAUs and token volume.

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MojoAuth's free tier includes 25,000 MAUs, unlimited total users, email OTP, magic link, Facebook and Google login, basic attack protection, and hosted login and registration pages. That makes it a simple free option for teams that want passwordless flows or social login without assembling a larger B2B auth stack. Compared with PropelAuth, it offers more MAU headroom and a cleaner fit for passwordless-first sign-in. It falls short on B2B-specific capabilities like organization management, RBAC, and enterprise auth features that PropelAuth emphasizes. Switch if your product is login-first and not deeply centered on tenant and organization management.

• Beats PropelAuth: Passwordless and social login focus
• Falls short: Less B2B organization and RBAC depth
• Who should switch: Switch to MojoAuth if you want a simpler free auth layer and do not need PropelAuth-style B2B controls.

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Permit.io's free Community plan covers RBAC, ABAC, ReBAC, PBAC, and IaC authorization models through UI and API access, unlimited authorization microservices, embeddable authorization interfaces, shared workspaces and environments, unlimited authorization queries, up to 1,000 monthly active users, up to 20 tenants, up to 25 roles, up to 50 resource types, up to 2,000 role assignments, up to 20 groups, up to 2,000 resource instances, 3 environments, hybrid deployment, and 14 days of logs retention. For authorization policy work, that is a much broader free policy toolkit than PropelAuth's free tier. It falls short hard on MAU scale and on general customer identity features because it is oriented toward authorization rather than full auth. Switch if policy management matters more than login and account onboarding.

• Beats PropelAuth: Broader authorization model coverage
• Falls short: Much lower MAU cap
• Who should switch: Switch to Permit.io if authorization policy management is the real problem, not authentication.

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Kinde's free tier includes 10,500 monthly active users, 5 monthly active organizations, unlimited dashboard seats, unlimited applications, a 0.7% platform fee per customer transaction, custom billing plans, billing APIs, a self-serve portal, email and passwordless auth, social sign-on, SAML and enterprise SSO, 2,000 M2M tokens, API authorization, custom claims, custom session tokens, MFA options, custom domain, 10 feature flags, 5 custom data properties, and extensive protection and localization features. Relative to PropelAuth, the biggest free advantage is that it gives you slightly more MAUs plus a much wider product surface that mixes auth, billing, and access management. It falls short on organization allowance because the free tier only includes 5 monthly active organizations. Switch if you want auth plus billing in one place and can accept the smaller org ceiling.

• Beats PropelAuth: Broader free surface across auth and billing
• Falls short: Fewer monthly active organizations
• Who should switch: Switch to Kinde if you want one free platform for authentication and subscription workflows.

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