Firebase Auth
Google ecosystem · Phone auth
- Spark$0/mo, 50K MAUs included
- Blaze$0/mo, 50K MAUs included, then $0.0055 per MAU
$0/mo
at 25K MAUs
Firebase Auth pricing detailsAuth & Backend · plans & pricing
Authentication API Pricing Comparison
Compare authentication and backend platform pricing, free monthly active user limits, and core features from Clerk, Auth0, and Firebase Auth.
15 providers · USD monthly pricing · ordered by popularity
Top 3 auth & backend providers
Auth0
Okta
Enterprise SSO · Actions
- Free$0/mo, 25K MAUs included
- B2C Essentials$35/mo, 500 MAUs included, then $0.07 per MAU
- B2C Professional$240/mo, 1,000 MAUs included, then $0.24 per MAU
- EnterpriseCustom quote
$0/mo
at 25K MAUs
Auth0 pricing detailsClerk
Clerk
Prebuilt UI · Organizations
- Free$0/mo, 10K MAUs included
- Pro$25/mo, 10K MAUs included, then $0.02 per MAU
- EnterpriseCustom quote
$325/mo
at 25K MAUs
Clerk pricing detailsHow much will you use?
Relative to each provider's typical workload
1×typical usage
0.1×0.25×0.5×1×2×5×10×
Providers bill in different units, so usage is never converted between them. Each estimate scales that provider's own typical workload, shown under its price. Estimates exclude taxes and optional add-ons.
Compare the full directory
Auth & Backend providers
| Firebase AuthGoogle | Google ecosystem · Phone auth | 50,000 MAUs | $0/moat 25K MAUsPricing details |
| Auth0Okta | Enterprise SSO · Actions | 25,000 MAUs | $0/moat 25K MAUsPricing details |
| ClerkClerk | Prebuilt UI · Organizations | 10,000 MAUs | $325/moat 25K MAUsPricing details |
| Okta Customer IdentityOkta | Enterprise CIAM · Compliance · Workforce + customer | 25K MAUs (Auth0) | $100,000/moat 50K monthly active usersPricing details |
| Amazon CognitoAmazon Web Services | AWS native · Pay per MAU · User pools | 10K MAUs | $220/moat 50K monthly active usersPricing details |
| Appwrite CloudAppwrite | Open-source BaaS · Databases + storage · Functions | 75K MAUs | $0/moat 50K monthly active usersPricing details |
| WorkOSWorkOS | SSO + SCIM · Admin portal · Enterprise-ready | 1M MAUs free (AuthKit) | $0/moat 50K monthly active usersPricing details |
| Better AuthOpen source | TypeScript-first · Plugins · Self-hosted | Free, open source | $0/moat 1 serversPricing details |
| PocketBasePocketBase | Single binary · SQLite · Realtime | Free, self-hosted | $0/moat 1 serversPricing details |
| StytchStytch | Passkeys · B2B orgs · Fraud prevention | 10K MAUs | $4,000/moat 50K monthly active usersPricing details |
| DescopeDescope | No-code flows · Passwordless · B2B SSO | 7.5K MAUs | $2,049/moat 50K monthly active usersPricing details |
| Ping IdentityPing Identity | Enterprise federation · Orchestration · Regulated industries | Trial | $150,000/moat 50K monthly active usersPricing details |
| LuciaOpen source | Library, not a service · Session-based · Full control | Free, open source | $0/moat 1 serversPricing details |
| Passage by 1Password1Password | Passkeys-first · Biometrics · 1Password backed | 500 MAUs | $499/moat 50K monthly active usersPricing details |
| Transmit SecurityTransmit Security | Passwordless · Fraud & risk · Enterprise CIAM | Custom trial | —at 50K monthly active usersPricing details |
Firebase AuthGoogle
- Capabilities
- Google ecosystem · Phone auth
- Free tier
- 50,000 MAUs
- Monthly estimate
- $0/moat 25K MAUsPricing details
Auth0Okta
- Capabilities
- Enterprise SSO · Actions
- Free tier
- 25,000 MAUs
- Monthly estimate
- $0/moat 25K MAUsPricing details
ClerkClerk
- Capabilities
- Prebuilt UI · Organizations
- Free tier
- 10,000 MAUs
- Monthly estimate
- $325/moat 25K MAUsPricing details
- Capabilities
- Enterprise CIAM · Compliance · Workforce + customer
- Free tier
- 25K MAUs (Auth0)
- Monthly estimate
- $100,000/moat 50K monthly active usersPricing details
Amazon CognitoAmazon Web Services
- Capabilities
- AWS native · Pay per MAU · User pools
- Free tier
- 10K MAUs
- Monthly estimate
- $220/moat 50K monthly active usersPricing details
Appwrite CloudAppwrite
- Capabilities
- Open-source BaaS · Databases + storage · Functions
- Free tier
- 75K MAUs
- Monthly estimate
- $0/moat 50K monthly active usersPricing details
WorkOSWorkOS
- Capabilities
- SSO + SCIM · Admin portal · Enterprise-ready
- Free tier
- 1M MAUs free (AuthKit)
- Monthly estimate
- $0/moat 50K monthly active usersPricing details
Better AuthOpen source
- Capabilities
- TypeScript-first · Plugins · Self-hosted
- Free tier
- Free, open source
- Monthly estimate
- $0/moat 1 serversPricing details
PocketBasePocketBase
- Capabilities
- Single binary · SQLite · Realtime
- Free tier
- Free, self-hosted
- Monthly estimate
- $0/moat 1 serversPricing details
StytchStytch
- Capabilities
- Passkeys · B2B orgs · Fraud prevention
- Free tier
- 10K MAUs
- Monthly estimate
- $4,000/moat 50K monthly active usersPricing details
DescopeDescope
- Capabilities
- No-code flows · Passwordless · B2B SSO
- Free tier
- 7.5K MAUs
- Monthly estimate
- $2,049/moat 50K monthly active usersPricing details
Ping IdentityPing Identity
- Capabilities
- Enterprise federation · Orchestration · Regulated industries
- Free tier
- Trial
- Monthly estimate
- $150,000/moat 50K monthly active usersPricing details
LuciaOpen source
- Capabilities
- Library, not a service · Session-based · Full control
- Free tier
- Free, open source
- Monthly estimate
- $0/moat 1 serversPricing details
Passage by 1Password1Password
- Capabilities
- Passkeys-first · Biometrics · 1Password backed
- Free tier
- 500 MAUs
- Monthly estimate
- $499/moat 50K monthly active usersPricing details
Transmit SecurityTransmit Security
- Capabilities
- Passwordless · Fraud & risk · Enterprise CIAM
- Free tier
- Custom trial
- Monthly estimate
- —at 50K monthly active usersPricing details
The buying guide
How to choose auth & backend
- Compare providers at the same monthly active-user count, then review enterprise identity requirements, organization support, hosted UI, and ecosystem fit.
Auth & Backend pricing questions
Which auth & backend providers are most popular?
Firebase Auth, Auth0, Clerk are the most widely used providers in this list. The directory is ordered by popularity by default; sort by price or name to change it.
What is the cheapest option at typical usage?
At each provider's typical usage, Firebase Auth has the lowest estimate in this list at $0/mo. Estimates use tracked plans and exclude taxes and add-ons.
How many auth & backend providers are compared?
15 providers are tracked on this page, each with a dedicated pricing page.