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PropelAuth alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave PropelAuth: cloud only, and focused on B2B; consumer features are thinner. We ranked 5 alternatives by how directly each one replaces PropelAuth, then by reviews, real visits and how recently each app's facts were checked against its own website. WorkOS currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1WorkOS logoWorkOSFree plan + paidNoWeb4 of 466.5
2Frontegg logoFronteggFree plan + paidNoWeb3 of 362.6
3ClClerkFree plan + paidNoWeb, iOS, Android4 of 459.6
4Kinde logoKindeFree plan + paidNoWeb, iOS, Android4 of 457.2
5Zitadel logoZitadelOpen sourceYesWeb, Self-hosted4 of 455.3
  1. WorkOS logo

    1. WorkOSTop pick

    Best for: B2B SaaS companies selling to enterprises that ask for SSO and SCIM

    Free plan + paidWeb

    66.5

    score / 100

    Why switch from PropelAuth

    Free user management for up to a million users, paying per enterprise connection.

    Pros

    • First million monthly active users are free
    • Self-serve Admin Portal for customers' IT admins
    • Clean APIs and docs for SSO and directory sync

    Cons

    • Each enterprise SSO connection is billed monthly
    • Cloud only
    • Less suited to consumer apps with heavy fraud concerns
    Visit WorkOS Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is WorkOS a good PropelAuth alternative?

    Verified facts

    4 of 4 verified
    Free plan
    First 1 million active users free
    Checked Oct 25, 2026workos.com(opens source in a new tab)
    SSO price
    $125 per connection/month (1–15)
    Checked Oct 25, 2026workos.com(opens source in a new tab)
    Above 1M users
    $2,500/month per additional million
    Checked Oct 25, 2026workos.com(opens source in a new tab)
    Admin portal
    Self-serve SSO setup for IT admins
    Checked Oct 25, 2026workos.com(opens source in a new tab)
  2. Frontegg logo

    2. Frontegg

    Best for: B2B SaaS companies that want customers to manage their own users, SSO and roles

    Free plan + paidWeb

    62.6

    score / 100

    Why switch from PropelAuth

    Deeper B2B platform with entitlements and an embeddable admin portal.

    Pros

    • Embeddable self-service admin portal for your customers
    • Entitlements and feature flags tied to plans
    • Enterprise SSO connections included on the free tier

    Cons

    • Paid enterprise pricing is only available through sales
    • Cloud only
    • More concepts to configure than a simple login service
    Visit Frontegg Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Frontegg a good PropelAuth alternative?

    Verified facts

    3 of 3 verified
    Free plan
    Up to 7,500 users
    Checked Oct 25, 2026frontegg.com(opens source in a new tab)
    Free SSO
    5 enterprise connections
    Checked Oct 25, 2026frontegg.com(opens source in a new tab)
    Admin portal
    Embedded self-service portal
    Checked Oct 25, 2026frontegg.com(opens source in a new tab)
  3. Cl

    3. Clerk

    Best for: React and Next.js developers who want polished sign-in screens working in minutes

    Free plan + paidWeb, iOS, Android

    59.6

    score / 100

    Why switch from PropelAuth

    Polished components covering both consumer and B2B apps.

    Pros

    • Prebuilt, customisable UI components save weeks of work
    • Excellent Next.js and React integration
    • Generous free tier per application

    Cons

    • Cloud only; user data cannot be self-hosted
    • Enterprise SSO connections are billed individually
    • Less flexible than code-first libraries for unusual flows
    Visit Clerk Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Clerk a good PropelAuth alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 50,000 monthly retained users per app
    Checked Oct 25, 2026clerk.com(opens source in a new tab)
    Pro price
    $20/month billed annually
    Checked Oct 25, 2026clerk.com(opens source in a new tab)
    Extra SSO connection
    $75/month each
    Checked Oct 25, 2026clerk.com(opens source in a new tab)
    Compliance
    SOC 2 Type 2
    Checked Oct 25, 2026clerk.com(opens source in a new tab)
  4. Kinde logo

    4. Kinde

    Best for: Startups that want auth, feature flags and subscription billing from one provider

    Free plan + paidWeb, iOS, Android

    57.2

    score / 100

    Why switch from PropelAuth

    Bundles B2B organisations with billing and feature flags.

    Pros

    • Bundles auth with billing and feature flags
    • Free plan covers over 10,000 monthly active users
    • B2B organisations and roles on every plan

    Cons

    • Cloud only
    • Bundled extras overlap with tools many teams already use
    • Enterprise SSO only included from higher tiers
    Visit Kinde Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Kinde a good PropelAuth alternative?

    Verified facts

    4 of 4 verified
    Free plan
    10,500 monthly active users
    Checked Oct 25, 2026kinde.com(opens source in a new tab)
    Starting price
    Pro $25/month
    Checked Oct 25, 2026kinde.com(opens source in a new tab)
    Plus price
    $75/month, includes enterprise SSO
    Checked Oct 25, 2026kinde.com(opens source in a new tab)
    Billing
    Subscriptions and billing included
    Checked Oct 25, 2026kinde.com(opens source in a new tab)
  5. Zitadel logo

    5. Zitadel

    Best for: B2B SaaS teams that want multi-tenant identity with the option to self-host

    Open sourceSelf-hostableWeb, Self-hosted

    55.3

    score / 100

    Why switch from PropelAuth

    Open-source and multi-tenant if you want to self-host B2B identity.

    Pros

    • Multi-tenancy and delegated admin built into the core
    • Choice of managed cloud or self-hosting the same code
    • Full audit trail from its event-sourced design

    Cons

    • AGPL licence may need legal review for some companies
    • Smaller community than Keycloak
    • Free cloud tier is limited in daily active users
    Visit Zitadel Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Zitadel a good PropelAuth alternative?

    Verified facts

    4 of 4 verified
    License
    AGPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Free plan
    $0/month cloud tier
    Checked Oct 25, 2026zitadel.com(opens source in a new tab)
    Pro price
    $100/month
    Checked Oct 25, 2026zitadel.com(opens source in a new tab)
    Data location
    EU, US, Switzerland or Australia
    Checked Oct 25, 2026zitadel.com(opens source in a new tab)

The best PropelAuth alternative for…

The highest-ranked app in this list for each need.

WorkOS logo

Best PropelAuth alternative for most people

WorkOS

Free user management for up to a million users, paying per enterprise connection.

Zitadel logo

Best PropelAuth alternative for a free option

Zitadel

Open-source and multi-tenant if you want to self-host B2B identity.

Frontegg logo

Best PropelAuth alternative for a free plan you can upgrade

Frontegg

Deeper B2B platform with entitlements and an embeddable admin portal.

Zitadel logo

Best PropelAuth alternative for open source

Zitadel

Open-source and multi-tenant if you want to self-host B2B identity.

Zitadel logo

Best PropelAuth alternative for self-hosting

Zitadel

Open-source and multi-tenant if you want to self-host B2B identity.

Cl

Best PropelAuth alternative for iPhone and Android

Clerk

Polished components covering both consumer and B2B apps.

Kinde logo

Best PropelAuth alternative for working in the browser

Kinde

Bundles B2B organisations with billing and feature flags.

PropelAuth alternatives: common questions

What is the best alternative to PropelAuth?

WorkOS ranks first right now. Free user management for up to a million users, paying per enterprise connection. Frontegg and Clerk follow it in our ranking.

Is there a free alternative to PropelAuth?

Yes. WorkOS (free plan + paid), Frontegg (free plan + paid), Clerk (free plan + paid) and Kinde (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to PropelAuth?

Yes: Zitadel. Zitadel can also be self-hosted.

Why do people switch from PropelAuth?

The complaints we hear most: cloud only; focused on B2B; consumer features are thinner; smaller company and community than the big providers.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces PropelAuth, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.