PropelAuth
Authentication that works before you write any code
Stack Auth
Open-source Auth0/Clerk Alternative
Updated February 2026
| PropelAuth | Stack Auth | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 11 | 4 |
| Pros | 8 | 0 |
| FactScore™ | 54 | 34.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in PropelAuth — Pros
B2B support Easy integration Excellent documentation Organization management Quick onboarding Reliable Rust integration SAML/SSO supportBoth tools — Pros
—Only in Stack Auth — Pros
No unique pros listedOnly in PropelAuth — Cons
—Both tools — Cons
—Only in Stack Auth — Cons
—Details
| PropelAuth | Stack Auth | |
|---|---|---|
| Categories | Authentication & identity tools | Authentication & identity tools |
| Platforms | Web | Web |
| Became Popular | January 26, 2022 | August 2, 2024 |
| Website | www.propelauth.com | stack-auth.com |
Who Should Pick Which?
Choose PropelAuth if...
- B2B support
- Easy integration
- Excellent documentation
Choose Stack Auth if...
- No unique pros listed
With a FactScore™ of 54 vs 34.9, PropelAuth leads in community reception. PropelAuth uniquely offers B2B support and Easy integration, while Stack Auth stands out for No unique pros listed.
What Users Say
PropelAuth
PropelAuth offers seamless management of user login/logout states both in the browser extension and on the main webpage—an essential feature for the functionality of the Cognify browser extension. ...
Since we migrated to PropelAuth our overhead of managing organizations and users has dropped 10x - so easy to get started and yet comes with lots of features.
They saved us a good few weeks of dev effort on building auth and admin. Also, an amazing team and support.
Stack Auth
I love Stack for being open source and making it super easy to add auth. Love the team and love the product!
Related Comparisons
Frequently Asked Questions
Which is better, PropelAuth or Stack Auth?
Based on FactScore™, PropelAuth leads with a score of 54 vs 34.9. PropelAuth has a higher rating of 5.0★ compared to 5.0★.
What are the pros of PropelAuth compared to Stack Auth?
PropelAuth uniquely offers: B2B support, Easy integration, Excellent documentation, Organization management, Quick onboarding.
What are the pros of Stack Auth compared to PropelAuth?
Stack Auth uniquely offers: No unique pros listed.
Is PropelAuth better rated than Stack Auth?
PropelAuth is rated 5.0★ from 11 reviews. Stack Auth is rated 5.0★ from 4 reviews.
What is the FactScore™ of PropelAuth and Stack Auth?
FactScore™ weighs rating and review volume together. PropelAuth scores 54 and Stack Auth scores 34.9.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free