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Clerk

An authentication and user management platform

★★★★★ 5.0/5
FactScore™ 94.3
VS

ZenStack

Build scalable web apps with minimal code

★★★★★ 5.0/5
FactScore™ 15.1

Updated February 2026

Clerk ZenStack
Rating 5.0★ 5.0★
Reviews 76 1
Pros 19 0
FactScore™ 94.3 15.1

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
94.3
Clerk FactScore™
★ Clerk wins on FactScore™
15.1
ZenStack FactScore™

Pros & Cons

Only in Clerk — Pros

Easy integration Comprehensive solution Free tier Fast setup Flexible auth Prebuilt UI components Developer APIs Secure login flows Beautiful components Generous free tier OAuth support Admin dashboard B2B use cases Customer support Excellent documentation Next.js integration Seamless integration Social logins Web 3.0 integration

Both tools — Pros

—

Only in ZenStack — Pros

No unique pros listed

Only in Clerk — Cons

Native-app hiccups

Both tools — Cons

—

Only in ZenStack — Cons

—

Details

Clerk ZenStack
Categories Authentication & identity tools Authentication & identity tools, Command line tools, Unified API
Platforms Web Web
Became Popular April 22, 2021 October 10, 2023
Website go.clerk.com github.com

Who Should Pick Which?

Choose Clerk if...

  • Easy integration
  • Comprehensive solution
  • Free tier

Choose ZenStack if...

  • No unique pros listed

With a FactScore™ of 94.3 vs 15.1, Clerk leads in community reception. Clerk uniquely offers Easy integration and Comprehensive solution, while ZenStack stands out for No unique pros listed.

3

What Users Say

Clerk

F
Fiona Aug 20, 2024
★★★★★

We initially began building user management in-house but quickly realized that creating a secure and seamless user experience involved more complexity than anticipated. It was clear that continuing...

A
Aswin Feb 14, 2025
★★★★★

Clerk makes authentication effortless, with a developer-friendly API and prebuilt UI components that save time. Unlike Auth0 or Firebase Auth, Clerk provides first-class support for modern framewor...

A
Alexis Feb 10, 2026
★★★★★

We needed production-ready authentication without slowing the team down. Clerk let us ship securely from day one and stay focused on core product work. Setup was fast, UX is polished out of the box...

ZenStack

E
Erik Dec 19, 2023
★★★★★

ZenStack fills in the gaps in Prisma, making it a powerful way to interact with your database. Automatic CRUD operations via tRPC or REST, and easy data validation via Zod, not to mention fine-grai...

Frequently Asked Questions

Which is better, Clerk or ZenStack?

Based on FactScore™, Clerk leads with a score of 94.3 vs 15.1. Clerk has a higher rating of 5.0★ compared to 5.0★.

What are the pros of Clerk compared to ZenStack?

Clerk uniquely offers: Easy integration, Comprehensive solution, Free tier, Fast setup, Flexible auth.

What are the pros of ZenStack compared to Clerk?

ZenStack uniquely offers: No unique pros listed.

Is Clerk better rated than ZenStack?

Clerk is rated 5.0★ from 76 reviews. ZenStack is rated 5.0★ from 1 reviews.

What is the FactScore™ of Clerk and ZenStack?

FactScore™ weighs rating and review volume together. Clerk scores 94.3 and ZenStack scores 15.1.

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