Head to head

Clerk vs Frontegg

As a authentication & identity API, Clerk rates higher on the APIbenchmarks Index, 85.2 to 76.6, a 8.6-point gap. Here is how they compare on each criterion.

Clerk logo
Clerk
Clerk
A
85.2ABI / 100

Embeddable auth UI for React/Next.js

Frontegg logo
Frontegg
Frontegg
B
76.6ABI / 100

Multi-tenant B2B user management

Criterion by criterion

CriterionClerkFrontegg
Documentation & DX
91
78
Reliability
78
75
Ecosystem & SDKs
80
72
Accessibility
92
82
APIbenchmarks Index85.276.6

Specifications

ClerkFrontegg
Best forEmbeddable auth UI for React/Next.jsMulti-tenant B2B user management
Free tier50k MAU (monthly retained users)7.5k MAU (free tier)
PricingMAU-basedMAU-based (+ feature add-ons)
Official SDKs12 languages10 languages

Is Clerk better than Frontegg?

On the APIbenchmarks Index, Clerk rates higher (85.2 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

Clerk leads by 8.6 points (85.2 vs 76.6) and wins 4 of 4 criteria.

Winner by criterion

CriterionClerk logoClerkFrontegg logoFronteggWinner
Documentation & DX9178Clerk logoClerk
Reliability7875Clerk logoClerk
Ecosystem & SDKs8072Clerk logoClerk
Accessibility9282Clerk logoClerk
Clerk vs Frontegg API comparison: ABI 85.2 vs 76.6; documentation & dx 91 vs 78, reliability 78 vs 75, ecosystem & sdks 80 vs 72, accessibility 92 vs 82.
Clerk vs Frontegg API comparison: ABI 85.2 vs 76.6; documentation & dx 91 vs 78, reliability 78 vs 75, ecosystem & sdks 80 vs 72, accessibility 92 vs 82.

Choose Clerk if… / choose Frontegg if…

Clerk logoChoose Clerk if
  • →documentation & dx matters most to you (91 vs 78)
  • →reliability matters most to you (78 vs 75)
  • →ecosystem & sdks matters most to you (80 vs 72)
  • →accessibility matters most to you (92 vs 82)
  • →you need broad SDK coverage (12 official SDKs vs 10)
  • →your use case matches its focus: embeddable auth ui for react/next.js
Frontegg logoChoose Frontegg if
  • →your use case matches its focus: multi-tenant b2b user management

Pricing side by side

Clerk logoClerk
Model
MAU-based
Free tier
50k MAU (monthly retained users)
  • Hobby (Free)$0/mo
  • Pro$25/mo ($20/mo annual)
  • Business$300/mo ($250/mo annual)
  • EnterpriseCustom (annual only)
  • B2B Authentication add-on$100/mo ($85/mo annual)
  • Administration / Billing add-ons$100/mo admin · 0.7% of billing volume
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 (Clerk) and 2026-06-27 (Frontegg).

SDK and language coverage

Both · 5
Next.jsReactiOSAndroidPython
Only Clerk · 7
RemixAstroNuxtExpo / React NativeJavaScript (Backend/Node)GoRuby
Only Frontegg · 5
AngularVueNode.js / JavaScriptREST APIWebhooks

Strengths and weaknesses

Clerk logoClerk
  • +Drop-in prebuilt, fully styled UI components (SignIn, UserProfile, OrganizationSwitcher) drastically cut auth build time
  • +Very generous free tier, first 50,000 monthly retained users free in every paid app
  • +Excellent, framework-specific documentation and quickstarts praised by developers
  • –Reliability track record is a real concern, notable Sept 2025 outage and a March 2026 postmortem, plus many logged status events
  • –Security-adjacent and B2B features (org management, unlimited impersonation, admin) gated behind $100/mo add-ons
  • –Deep component/hosted-session coupling creates meaningful vendor lock-in and migration friction
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

Clerk vs Frontegg: questions

Which has better documentation, Clerk or Frontegg?
Clerk scores higher on documentation and developer experience: 91 vs 78 out of 100.
Which is more reliable, Clerk or Frontegg?
Clerk scores higher on reliability: 78 vs 75 out of 100.
Do Clerk and Frontegg have a free tier?
Clerk: yes (50k MAU (monthly retained users)). Frontegg: yes (7.5k MAU (free tier)).
How are Clerk and Frontegg priced?
Clerk: MAU-based. Frontegg: MAU-based (+ feature add-ons).
Which has more official SDKs?
Clerk lists 12 official SDKs, Frontegg lists 10.

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