Head to head

Auth0 vs Frontegg

As a authentication & identity API, Auth0 rates higher on the APIbenchmarks Index, 91.7 to 76.6, a 15.1-point gap. Here is how they compare on each criterion.

Auth0 logo
Auth0
Okta
A
91.7ABI / 100

Full-featured CIAM for B2C and B2B

Frontegg logo
Frontegg
Frontegg
B
76.6ABI / 100

Multi-tenant B2B user management

Criterion by criterion

CriterionAuth0Frontegg
Documentation & DX
93
78
Reliability
92
75
Ecosystem & SDKs
95
72
Accessibility
85
82
APIbenchmarks Index91.776.6

Specifications

Auth0Frontegg
Best forFull-featured CIAM for B2C and B2BMulti-tenant B2B user management
Free tier25k MAU (free plan)7.5k MAU (free tier)
PricingMAU-basedMAU-based (+ feature add-ons)
Official SDKs12 languages10 languages

Is Auth0 better than Frontegg?

On the APIbenchmarks Index, Auth0 rates higher (91.7 vs 76.6). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.

Verdict in one line

Auth0 leads by 15.1 points (91.7 vs 76.6) and wins 4 of 4 criteria.

Winner by criterion

CriterionAuth0 logoAuth0Frontegg logoFronteggWinner
Documentation & DX9378Auth0 logoAuth0
Reliability9275Auth0 logoAuth0
Ecosystem & SDKs9572Auth0 logoAuth0
Accessibility8582Auth0 logoAuth0
Auth0 vs Frontegg API comparison: ABI 91.7 vs 76.6; documentation & dx 93 vs 78, reliability 92 vs 75, ecosystem & sdks 95 vs 72, accessibility 85 vs 82.
Auth0 vs Frontegg API comparison: ABI 91.7 vs 76.6; documentation & dx 93 vs 78, reliability 92 vs 75, ecosystem & sdks 95 vs 72, accessibility 85 vs 82.

Choose Auth0 if… / choose Frontegg if…

Auth0 logoChoose Auth0 if
  • →documentation & dx matters most to you (93 vs 78)
  • →reliability matters most to you (92 vs 75)
  • →ecosystem & sdks matters most to you (95 vs 72)
  • →accessibility matters most to you (85 vs 82)
  • →you need broad SDK coverage (12 official SDKs vs 10)
  • →your use case matches its focus: full-featured ciam for b2c and b2b
Frontegg logoChoose Frontegg if
  • →your use case matches its focus: multi-tenant b2b user management

Pricing side by side

Auth0 logoAuth0
Model
MAU-based
Free tier
25k MAU (free plan)
  • Free$0
  • B2C Essentialsfrom $35-$70/mo (500 MAU)
  • B2B Essentialsfrom $150/mo (500 MAU)
  • B2C Professionalfrom $240/mo (1,000 MAU)
  • B2B Professionalfrom $800/mo (1,000 MAU)
  • EnterpriseCustom
Frontegg logoFrontegg
Model
MAU-based (+ feature add-ons)
Free tier
7.5k MAU (free tier)
  • Pay as You Go (PAYG)$0/mo to start, usage-based
  • EnterpriseCustom (contact sales)

Vendor-published pricing, verified 2026-06-27 (Auth0) and 2026-06-27 (Frontegg).

SDK and language coverage

Both · 5
React (auth0-react)Next.js (nextjs-auth0)AngularVuePython (FastAPI/Django/Flask)
Only Auth0 · 7
JavaScript / SPA (auth0-spa-js)Node.js (node-auth0)Java / Spring BootSwift / iOSKotlin / AndroidReact NativePHP / Ruby / .NET / Go
Only Frontegg · 5
Node.js / JavaScriptAndroidiOSREST APIWebhooks

Strengths and weaknesses

Auth0 logoAuth0
  • +Best-in-class developer experience with 30+ SDKs/Quickstarts covering nearly every major framework
  • +Universal Login plus Actions allow MFA, social login, and custom pipeline logic without app code changes
  • +Strong standards support (OAuth 2.0, OIDC, SAML) and deep enterprise SSO/identity connections
  • –MAU-based pricing with hard caps gets expensive fast at scale; widely called a startup 'growth penalty'
  • –Post-Okta pricing changes seen as steep and unpredictable (reports of large bill jumps and a B2C Essentials hike)
  • –B2B-critical features (enterprise SSO connections, higher rate limits, custom SLA, private cloud) gated behind custom Enterprise pricing
Frontegg logoFrontegg
  • +Multi-tenancy is a first-class primitive: per-tenant users, roles, SSO, branding and policies out of the box
  • +Fast time-to-value; reviewers call it plug-and-play with hosted login live in hours
  • +Entitlements engine ties feature-gating to subscription plans, well-suited to SaaS monetization
  • –Limited customization of the hosted/embedded login UI for teams with strict branding needs
  • –Cannot bring your own user database (no self-hosted data store)
  • –Webhooks are not very customizable

Auth0 vs Frontegg: questions

Which has better documentation, Auth0 or Frontegg?
Auth0 scores higher on documentation and developer experience: 93 vs 78 out of 100.
Which is more reliable, Auth0 or Frontegg?
Auth0 scores higher on reliability: 92 vs 75 out of 100.
Do Auth0 and Frontegg have a free tier?
Auth0: yes (25k MAU (free plan)). Frontegg: yes (7.5k MAU (free tier)).
How are Auth0 and Frontegg priced?
Auth0: MAU-based. Frontegg: MAU-based (+ feature add-ons).
Which has more official SDKs?
Auth0 lists 12 official SDKs, Frontegg lists 10.

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