Auth & Backend · side by side
Descope vs Firebase Auth
Compare Descope, Firebase Auth by active-user allowances, social login, MFA, SSO, organizations and audit logs.
Auth & Backend pricing calculator
These providers bill in different units. Each estimate uses its own workload; there is no same-volume price winner.
Descope
50K
Firebase Auth
25K
Descope
$2,049 / mo
Growth · 50K monthly active users
Firebase Auth
$0 / mo
Spark plan · 25K MAUs
Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.
Auth & Backend overview & pricing
| Auth & Backend | Descope | Firebase Auth |
|---|---|---|
| Provider | Descope | |
| Billing unit | monthly active users | MAUs |
| Plan at selected usage | Growth | Spark plan |
| Monthly estimate | $2,049/mo | $0/mo |
| Workload | 50K monthly active users | 25K MAUs |
| Free access | 7.5K MAUs | 50,000 MAUs |
| Published plans | Free Forever, Pro, Growth, Enterprise | Spark plan, Blaze plan |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Descope
- Descope
- Firebase Auth
Billing unit
- Descope
- monthly active users
- Firebase Auth
- MAUs
Plan at selected usage
- Descope
- Growth
- Firebase Auth
- Spark plan
Monthly estimate
- Descope
- $2,049/mo
- Firebase Auth
- $0/mo
Workload
- Descope
- 50K monthly active users
- Firebase Auth
- 25K MAUs
Free access
- Descope
- 7.5K MAUs
- Firebase Auth
- 50,000 MAUs
Published plans
- Descope
- Free Forever, Pro, Growth, Enterprise
- Firebase Auth
- Spark plan, Blaze plan
Prices checked
- Descope
- 2026-10-08
- Firebase Auth
- 2026-10-08
Auth & Backend monthly cost
Descope: $2,049Firebase Auth: $0
Different workloads, separate estimates
Check how each provider defines an active user and separates consumer identity from enterprise organizations. SAML, MFA, custom domains and audit logs can be gated behind higher plans. A backend platform can also charge separately for storage, functions and traffic.
Auth & Backend feature comparison
| Auth & Backend | Descope | Firebase Auth |
|---|---|---|
| Social login | Not listed | |
| Base monthly price | $799 | Not listed |
| MAUs included / Additional MAU fee | 25,000 ($0.05 additional) | Not listed |
| Tenants included / Additional tenant fee | 100 ($1 additional) | Not listed |
| SSO connections included / Additional SSO conn. fee | 10 ($50 additional) | Not listed |
| Federated apps included | Unlimited (SAML / OIDC) | Not listed |
| M2M exchanges included / Additional M2M exchange fee | 100,000 ($2 per 1000 exchanges) | Not listed |
| Test users included | 500 | Not listed |
| MACs included / Additional MAC fee | 10,000 ($0.05 additional) | Not listed |
| MATKs included / Additional MATK fee | 10,000 ($0.05 additional) | Not listed |
| Biometrics / Passkeys | Not listed | |
| Email Magic Links | Not listed | |
| Email OTP | Not listed | |
| Authenticator Apps | Not listed | |
| SMS / voice call delivery with Descope | Up to 100 per month | Not listed |
| SMS / voice calls with your connector | Unlimited | Not listed |
| Email delivery with Descope | Up to 10,000 per day | Not listed |
| Email delivery with your connector | Unlimited | Not listed |
| Google One Tap | Not listed | |
| SAML / OIDC SSO | Up to 10 connections (Add-on available) | Not listed |
| Custom OIDC Provider | Not listed | |
| Role-Based Access Control (RBAC) | Not listed | |
| Fine-Grained Authorization (FGA) | Not listed | |
| User Provisioning (SCIM) | Not listed | |
| SSO Setup Suite - Widgets | Not listed | |
| SSO Setup Suite - Admin Portal | Not listed | |
| Localization | Not listed | |
| Audit Interface | Descope UI + external connectors | Not listed |
| Audit Retention | 1 month (Add-on available) | Not listed |
| Anonymous Users | 1M | Not listed |
| SSO Migration | Not listed | |
| Secure Session Management | Not listed | |
| Adaptive MFA | Not listed | |
| Step-up Authentication | Not listed | |
| Bot Protection | Not listed | |
| Custom Domain | Not listed | |
| SOC 2 Reports | Not listed | |
| HIPAA BAA | Not listed | |
| Scriptlets | Not listed | |
| Connectors | Not listed | |
| CI / CD Integration | Up to 10 Projects | Not listed |
| Multi-Region Deployments | Not listed | |
| A/B Testing | Not listed | No-cost |
| Analytics | Not listed | No-cost |
| App Check | Not listed | No-cost, subject to quotas and limits |
| App Distribution | Not listed | No-cost |
| App Hosting - Outgoing bandwidth (Uncached) | Not listed | Not applicable |
| App Hosting - Outgoing bandwidth (Cached) | Not listed | Not applicable |
| App Hosting - Storage | Not listed | Not applicable |
| Authentication - Phone Auth | Not listed | Not applicable |
| Authentication - Monthly active users | Not listed | 50K MAUs |
| Authentication - Monthly active users (SAML/OIDC) | Not listed | 50 MAUs |
| Cloud Firestore - Stored data (Standard) | Not listed | 1 GiB total |
| Cloud Firestore - Network egress (Standard) | Not listed | 10 GiB/month |
| Cloud Firestore - Document writes (Standard) | Not listed | 20K writes/day |
| Cloud Firestore - Document reads (Standard) | Not listed | 50K reads/day |
| Cloud Firestore - Document deletes (Standard) | Not listed | 20K deletes/day |
| Cloud Functions - Invocations | Not listed | Not applicable |
| Cloud Functions - Outbound networking | Not listed | Not applicable |
| Cloud Functions - Cloud Build minutes | Not listed | Not applicable |
| Cloud Messaging (FCM) | Not listed | No-cost |
| Crashlytics | Not listed | No-cost |
| Hosting - Storage | Not listed | 10 GB |
| Hosting - Data transfer | Not listed | 360 MB/day |
| Hosting - Custom domain & SSL | Not listed | |
| Hosting - Multiple sites per project | Not listed | |
| In-App Messaging | Not listed | No-cost |
| Performance Monitoring | Not listed | No-cost |
| Realtime Database - Simultaneous connections | Not listed | 100 |
| Realtime Database - Stored data | Not listed | 1 GB |
| Realtime Database - Data downloaded | Not listed | 10 GB/month |
| Realtime Database - Multiple databases per project | Not listed | |
| Remote Config - Fetch Requests | Not listed | Up to 100,000 per day per project |
| Test Lab - Virtual Device Tests | Not listed | 10 tests/day |
| Test Lab - Physical Device Tests | Not listed | 5 tests/day |
| Test Lab - Android Device Streaming | Not listed | 30 no-cost minutes per project, per month |
| Google Cloud BigQuery | Not listed | Yes (Sandbox limits) |
| Google Cloud Other IaaS | Not listed | |
| Gemini in Firebase | Not listed | No-cost |
| Firebase Studio | Not listed | No-cost for 3 workspaces |
Social login
- Descope
- Firebase Auth
- Not listed
Base monthly price
- Descope
- $799
- Firebase Auth
- Not listed
MAUs included / Additional MAU fee
- Descope
- 25,000 ($0.05 additional)
- Firebase Auth
- Not listed
Tenants included / Additional tenant fee
- Descope
- 100 ($1 additional)
- Firebase Auth
- Not listed
SSO connections included / Additional SSO conn. fee
- Descope
- 10 ($50 additional)
- Firebase Auth
- Not listed
Federated apps included
- Descope
- Unlimited (SAML / OIDC)
- Firebase Auth
- Not listed
M2M exchanges included / Additional M2M exchange fee
- Descope
- 100,000 ($2 per 1000 exchanges)
- Firebase Auth
- Not listed
Test users included
- Descope
- 500
- Firebase Auth
- Not listed
MACs included / Additional MAC fee
- Descope
- 10,000 ($0.05 additional)
- Firebase Auth
- Not listed
MATKs included / Additional MATK fee
- Descope
- 10,000 ($0.05 additional)
- Firebase Auth
- Not listed
Biometrics / Passkeys
- Descope
- Firebase Auth
- Not listed
Email Magic Links
- Descope
- Firebase Auth
- Not listed
Email OTP
- Descope
- Firebase Auth
- Not listed
Authenticator Apps
- Descope
- Firebase Auth
- Not listed
SMS / voice call delivery with Descope
- Descope
- Up to 100 per month
- Firebase Auth
- Not listed
SMS / voice calls with your connector
- Descope
- Unlimited
- Firebase Auth
- Not listed
Email delivery with Descope
- Descope
- Up to 10,000 per day
- Firebase Auth
- Not listed
Email delivery with your connector
- Descope
- Unlimited
- Firebase Auth
- Not listed
Google One Tap
- Descope
- Firebase Auth
- Not listed
SAML / OIDC SSO
- Descope
- Up to 10 connections (Add-on available)
- Firebase Auth
- Not listed
Custom OIDC Provider
- Descope
- Firebase Auth
- Not listed
Role-Based Access Control (RBAC)
- Descope
- Firebase Auth
- Not listed
Fine-Grained Authorization (FGA)
- Descope
- Firebase Auth
- Not listed
User Provisioning (SCIM)
- Descope
- Firebase Auth
- Not listed
SSO Setup Suite - Widgets
- Descope
- Firebase Auth
- Not listed
SSO Setup Suite - Admin Portal
- Descope
- Firebase Auth
- Not listed
Localization
- Descope
- Firebase Auth
- Not listed
Audit Interface
- Descope
- Descope UI + external connectors
- Firebase Auth
- Not listed
Audit Retention
- Descope
- 1 month (Add-on available)
- Firebase Auth
- Not listed
Anonymous Users
- Descope
- 1M
- Firebase Auth
- Not listed
SSO Migration
- Descope
- Firebase Auth
- Not listed
Secure Session Management
- Descope
- Firebase Auth
- Not listed
Adaptive MFA
- Descope
- Firebase Auth
- Not listed
Step-up Authentication
- Descope
- Firebase Auth
- Not listed
Bot Protection
- Descope
- Firebase Auth
- Not listed
Custom Domain
- Descope
- Firebase Auth
- Not listed
SOC 2 Reports
- Descope
- Firebase Auth
- Not listed
HIPAA BAA
- Descope
- Firebase Auth
- Not listed
Scriptlets
- Descope
- Firebase Auth
- Not listed
Connectors
- Descope
- Firebase Auth
- Not listed
CI / CD Integration
- Descope
- Up to 10 Projects
- Firebase Auth
- Not listed
Multi-Region Deployments
- Descope
- Firebase Auth
- Not listed
A/B Testing
- Descope
- Not listed
- Firebase Auth
- No-cost
Analytics
- Descope
- Not listed
- Firebase Auth
- No-cost
App Check
- Descope
- Not listed
- Firebase Auth
- No-cost, subject to quotas and limits
App Distribution
- Descope
- Not listed
- Firebase Auth
- No-cost
App Hosting - Outgoing bandwidth (Uncached)
- Descope
- Not listed
- Firebase Auth
- Not applicable
App Hosting - Outgoing bandwidth (Cached)
- Descope
- Not listed
- Firebase Auth
- Not applicable
App Hosting - Storage
- Descope
- Not listed
- Firebase Auth
- Not applicable
Authentication - Phone Auth
- Descope
- Not listed
- Firebase Auth
- Not applicable
Authentication - Monthly active users
- Descope
- Not listed
- Firebase Auth
- 50K MAUs
Authentication - Monthly active users (SAML/OIDC)
- Descope
- Not listed
- Firebase Auth
- 50 MAUs
Cloud Firestore - Stored data (Standard)
- Descope
- Not listed
- Firebase Auth
- 1 GiB total
Cloud Firestore - Network egress (Standard)
- Descope
- Not listed
- Firebase Auth
- 10 GiB/month
Cloud Firestore - Document writes (Standard)
- Descope
- Not listed
- Firebase Auth
- 20K writes/day
Cloud Firestore - Document reads (Standard)
- Descope
- Not listed
- Firebase Auth
- 50K reads/day
Cloud Firestore - Document deletes (Standard)
- Descope
- Not listed
- Firebase Auth
- 20K deletes/day
Cloud Functions - Invocations
- Descope
- Not listed
- Firebase Auth
- Not applicable
Cloud Functions - Outbound networking
- Descope
- Not listed
- Firebase Auth
- Not applicable
Cloud Functions - Cloud Build minutes
- Descope
- Not listed
- Firebase Auth
- Not applicable
Cloud Messaging (FCM)
- Descope
- Not listed
- Firebase Auth
- No-cost
Crashlytics
- Descope
- Not listed
- Firebase Auth
- No-cost
Hosting - Storage
- Descope
- Not listed
- Firebase Auth
- 10 GB
Hosting - Data transfer
- Descope
- Not listed
- Firebase Auth
- 360 MB/day
Hosting - Custom domain & SSL
- Descope
- Not listed
- Firebase Auth
Hosting - Multiple sites per project
- Descope
- Not listed
- Firebase Auth
In-App Messaging
- Descope
- Not listed
- Firebase Auth
- No-cost
Performance Monitoring
- Descope
- Not listed
- Firebase Auth
- No-cost
Realtime Database - Simultaneous connections
- Descope
- Not listed
- Firebase Auth
- 100
Realtime Database - Stored data
- Descope
- Not listed
- Firebase Auth
- 1 GB
Realtime Database - Data downloaded
- Descope
- Not listed
- Firebase Auth
- 10 GB/month
Realtime Database - Multiple databases per project
- Descope
- Not listed
- Firebase Auth
Remote Config - Fetch Requests
- Descope
- Not listed
- Firebase Auth
- Up to 100,000 per day per project
Test Lab - Virtual Device Tests
- Descope
- Not listed
- Firebase Auth
- 10 tests/day
Test Lab - Physical Device Tests
- Descope
- Not listed
- Firebase Auth
- 5 tests/day
Test Lab - Android Device Streaming
- Descope
- Not listed
- Firebase Auth
- 30 no-cost minutes per project, per month
Google Cloud BigQuery
- Descope
- Not listed
- Firebase Auth
- Yes (Sandbox limits)
Google Cloud Other IaaS
- Descope
- Not listed
- Firebase Auth
Gemini in Firebase
- Descope
- Not listed
- Firebase Auth
- No-cost
Firebase Studio
- Descope
- Not listed
- Firebase Auth
- No-cost for 3 workspaces
Showing 15 of 80
Which authentication & backend providers fit your needs?
Descope features & plan notes
- No-code flows
- Passwordless
- B2B SSO
- 25,000 Monthly active users (MAUs)
- 100 Monthly active tenants
- 10 SSO connections
- Unlimited Federated apps (SAML / OIDC)
- 500 Test users
- 100,000 M2M exchanges
- 10,000 Monthly active consents (MACs)
- 10,000 Monthly active tokens (MATKs)
- Everything in Pro, plus:
- Bot protection
- 1M Anonymous users
- Zero-downtime SSO migration
- SCIM provisioning
- Admin Portal
- Fine-grained authorization
- External audit connectors
- Multi-region data residency
- HIPAA BAA
- FedRAMP High add-on
Firebase Auth features & plan notes
- Google ecosystem
- Phone auth
- Generous no-cost usage limits
- No payment method needed
- Authentication: 50K MAUs (50 MAUs for SAML/OIDC)
- Cloud Firestore: 1 GiB total stored data, 10 GiB/month network egress, 20K writes/day, 50K reads/day, 20K deletes/day
- Hosting: 10 GB storage, 360 MB/day data transfer, custom domain & SSL, multiple sites per project
- Realtime Database: 100 simultaneous connections, 1 GB stored, 10 GB/month downloaded
- Remote Config: Up to 100,000 fetch requests per day per project
- Test Lab: 10 virtual device tests/day, 5 physical device tests/day, 30 no-cost Android device streaming min/month
- SQL Connect: 3-month no-cost trial (limit 1 Cloud SQL instance per project)
- Firebase Studio: No-cost for three workspaces
- No-cost products included: A/B Testing, Analytics, App Check, App Distribution, Cloud Messaging (FCM), Crashlytics, In-App Messaging, Performance Monitoring
How to compare authentication & backend providers
Check how each provider defines an active user and separates consumer identity from enterprise organizations. SAML, MFA, custom domains and audit logs can be gated behind higher plans. A backend platform can also charge separately for storage, functions and traffic.
Browse Auth & Backend pricing