Auth0
Secure access for everyone. But not just anyone.
OTP-less One tap Sign in
No more passwords. Fast, simple, secure.
Updated February 2026
| Auth0 | OTP-less One tap Sign in | |
|---|---|---|
| Rating | 5.0★ | 4.9★ |
| Reviews | 13 | 7 |
| Pros | 16 | 14 |
| FactScore™ | 57.3 | 43.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Auth0 — Pros
Ease of use Quick onboarding Secure access Easy integration Excellent documentation Personalization Fair pricing for startups Feature-rich product Federated identity management Flexible SSO SAML tooling Granular access control High performance Multifactor authentication Scalable Universal login Uptime reliabilityBoth 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 Auth0 — Cons
—Both tools — Cons
—Only in OTP-less One tap Sign in — Cons
Misuse of customer data Privacy concernsDetails
| Auth0 | OTP-less One tap Sign in | |
|---|---|---|
| Categories | Authentication & identity tools | Authentication & identity tools |
| Platforms | Web | Web |
| Became Popular | September 17, 2014 | January 23, 2023 |
| Website | auth0.com | otpless.com |
Who Should Pick Which?
Choose Auth0 if...
- Ease of use
- Quick onboarding
- Secure access
Choose OTP-less One tap Sign in if...
- No OTP required
- Secure authentication
- Simple integration
With a FactScore™ of 57.3 vs 43.9, Auth0 leads in community reception. Auth0 uniquely offers Ease of use and Quick onboarding, while OTP-less One tap Sign in stands out for No OTP required and Secure authentication.
What Users Say
Auth0
Auth0 makes authentication effortless and enterprise-grade at the same time. For Waydev AI, it handles thousands of users and complex role-based access without adding friction to our development fl...
We selected Auth0 as our first IdP partner to release core functionality for our 'Use Ours or BYO Authentication provider' functionality. Thank you Auth0 for building a feature-rich product.
A huge thanks to Auth0 for helping us out with the authentication flow. They were really quick with the onboarding process and even with the support tickets.
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, Auth0 or OTP-less One tap Sign in?
Based on FactScore™, Auth0 leads with a score of 57.3 vs 43.9. Auth0 has a higher rating of 5.0★ compared to 4.9★.
What are the pros of Auth0 compared to OTP-less One tap Sign in?
Auth0 uniquely offers: Ease of use, Quick onboarding, Secure access, Easy integration, Excellent documentation.
What are the pros of OTP-less One tap Sign in compared to Auth0?
OTP-less One tap Sign in uniquely offers: No OTP required, Secure authentication, Simple integration, Easy to use, One tap sign in.
Is Auth0 better rated than OTP-less One tap Sign in?
Auth0 is rated 5.0★ from 13 reviews. OTP-less One tap Sign in is rated 4.9★ from 7 reviews.
What is the FactScore™ of Auth0 and OTP-less One tap Sign in?
FactScore™ weighs rating and review volume together. Auth0 scores 57.3 and OTP-less One tap Sign in scores 43.9.
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