Clerk
User management and authentication
Drop-in authentication and user management with prebuilt UI components, organizations and billing.
Best for: The fastest auth for Next.js/React SaaS
Visit Clerk ↗87
score / 100
- Pricing
- Pro $25/mo ($20 annual), then $0.02/MRU over 50K
- Free tier
- Yes: 50,000 monthly retained users per app
- Open source
- No
- Last verified
- 2026-10-15
Score breakdown
- Fit for the use case24 / 25
- Vibe-coder friendliness15 / 15
- Output quality & reliability13 / 15
- Pricing & free tier13 / 15
- Ecosystem & integrations10 / 10
- Momentum8 / 10
- Code ownership & lock-in4 / 10
Why this score: Best DX and prebuilt UI, with a generous free tier (50K MRU). Hosted and proprietary.
Based on desk research of official pricing pages and docs; see methodology.