Auth0 vs Cloudflare
Auth0 and Cloudflare are both security & identity tools aimed at developers and enterprise. Cloudflare costs less, from $5/mo versus $35/mo for Auth0. Both have a free plan.
Identity platform for applications
CDN, DNS, WAF and edge platform
| Pricing | Freemium · $35 | Freemium · $5 |
| Starting price | $35/mo | $5/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Developers, Enterprise | Developers, Enterprise |
| Platforms | web | web |
| Country | US · 2013 | US · 2009 |
| Rating | — | — |
Choose Auth0 if
Companies with enterprise SSO requirements or large consumer user bases.
- Generous free tier (25k MAU)
- Enterprise SSO and compliance depth
- Reliable at huge scale
Look elsewhere if: Early-stage React apps wanting prebuilt UI (Clerk) or teams wanting self-hosted ownership (Better Auth, Keycloak).
Choose Cloudflare if
Anyone running a website, and developers who want edge compute and cheap storage.
- Industry-leading free tier
- Zero egress R2 undercuts S3 dramatically
- Global performance and security
Look elsewhere if: Teams needing the full breadth of managed services from a hyperscaler in one place.
Auth0 vs Cloudflare pricing
Auth0
- Free$0Up to 25,000 MAU, 1 custom domain, community support
- Essentials$35/moB2C, 500 MAU base; B2B from $150/mo; yearly = 11x monthly
- Professional$240/moB2C, 500 MAU base; B2B from $800/mo; 12 tenants
- EnterpriseCustom99.99% SLA, 30-day log retention
Cloudflare
- Free$0CDN, DNS, DDoS, Universal SSL
- Pro$25/domain/mo$20/mo billed annually; image optimization, 225 rules
- Business$250/domain/mo$200/mo billed annually; 100% uptime SLA, PCI DSS
- EnterpriseCustomContract; 24/7 phone support
- Workers Paid$5/moMinimum monthly charge per account; usage above included
Auth0 · Key features
- Universal Login with social, enterprise and passwordless
- MFA, passkeys and adaptive attack protection
- Organizations for B2B multi-tenant SSO
- Fine-grained authorization and RBAC
- Actions for custom flows and integrations
- SDKs for web, mobile and backend
Cons
- Expensive once beyond free or with enterprise connections
- Complex configuration
- UI customization takes effort
Cloudflare · Key features
- CDN, DNS, SSL and DDoS protection on every plan
- WAF, bot management and rate limiting
- Workers edge functions, Pages hosting and Workers AI
- R2 object storage with no egress fees
- D1, KV, Queues, Durable Objects and Vectorize
- Zero Trust access, tunnels and email security
Cons
- Product sprawl can confuse
- Some services less mature than AWS/GCP
- Support on lower plans is limited
Auth0 vs Cloudflare: FAQ
Which is cheaper, Auth0 or Cloudflare?
Cloudflare starts at $5/mo and Auth0 at $35/mo. Both prices are checked on the vendors' own pricing pages.
Do Auth0 and Cloudflare have a free plan?
Yes, both Auth0 and Cloudflare have a free plan; paid plans add more usage and features.