PropelAuth
Authentication that works before you write any code
OTP-less One tap Sign in
No more passwords. Fast, simple, secure.
Updated February 2026
| PropelAuth | OTP-less One tap Sign in | |
|---|---|---|
| Rating | 5.0★ | 4.9★ |
| Reviews | 11 | 7 |
| Pros | 8 | 14 |
| FactScore™ | 54 | 43.9 |
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 OTP-less One tap Sign in — Pros
No OTP required Secure authentication Simple integration Easy to use One tap sign in Seamless user experience Fast login process Cost effective Whatsapp integration Apple integration Google integration Hassle free integration Improves customer experience Multichannel authenticationOnly in PropelAuth — Cons
—Both tools — Cons
—Only in OTP-less One tap Sign in — Cons
Misuse of customer data Privacy concernsDetails
| PropelAuth | OTP-less One tap Sign in | |
|---|---|---|
| Categories | Authentication & identity tools | Authentication & identity tools |
| Platforms | Web | Web |
| Became Popular | January 26, 2022 | January 23, 2023 |
| Website | www.propelauth.com | otpless.com |
Who Should Pick Which?
Choose PropelAuth if...
- B2B support
- Easy integration
- Excellent documentation
Choose OTP-less One tap Sign in if...
- No OTP required
- Secure authentication
- Simple integration
With a FactScore™ of 54 vs 43.9, PropelAuth leads in community reception. PropelAuth uniquely offers B2B support and Easy integration, while OTP-less One tap Sign in stands out for No OTP required and Secure authentication.
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.
OTP-less One tap Sign in
Activate One-tap Sign in with WhatsApp, Google, and Apple! ⚡️ Provide your users with a fast, simple, and secure authentication experience, eliminating the need for OTPs and passwords. Easily add ...
We wish otpless is free forever at least with a cap of 1000 users. it would be great if you could make otpless something like google oauth wherein if the user logins to one website after QR scan he...
Safe, simple and easy to use. We are able to get customers whatsapp number, esp international ones, helping us in building organic clinetele. Team is quiet energetic, completed the intergartion sec...
Related Comparisons
Frequently Asked Questions
Which is better, PropelAuth or OTP-less One tap Sign in?
Based on FactScore™, PropelAuth leads with a score of 54 vs 43.9. PropelAuth has a higher rating of 5.0★ compared to 4.9★.
What are the pros of PropelAuth compared to OTP-less One tap Sign in?
PropelAuth uniquely offers: B2B support, Easy integration, Excellent documentation, Organization management, Quick onboarding.
What are the pros of OTP-less One tap Sign in compared to PropelAuth?
OTP-less One tap Sign in uniquely offers: No OTP required, Secure authentication, Simple integration, Easy to use, One tap sign in.
Is PropelAuth better rated than OTP-less One tap Sign in?
PropelAuth is rated 5.0★ from 11 reviews. OTP-less One tap Sign in is rated 4.9★ from 7 reviews.
What is the FactScore™ of PropelAuth and OTP-less One tap Sign in?
FactScore™ weighs rating and review volume together. PropelAuth scores 54 and OTP-less One tap Sign in scores 43.9.
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