Hanko vs Seamless Auth
Hanko
hanko.io
Seamless Auth
seamlessauth.comSide by side
| Figure | Hanko | Seamless Auth |
|---|---|---|
| Price from | $29/mo | $49/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 4 | 4 |
| Spec score · Passwordless Authentication Software | 8.5 (#10) | 7.9 (#15) |
| Authentication methods | Hanko supports passkeys, passwords, passwordless login, multi-factor authentication, and single sign-on. | The product supports passkeys, magic links, email and phone OTP, and TOTP MFA. |
| Framework support | Hanko Elements are framework-agnostic web components compatible with web stacks using HTML and JavaScript. | The authentication core is framework agnostic and uses adapters to integrate with server frameworks. |
| Integrations | The site links quickstarts and starter templates for frameworks including Next.js, Remix, Nuxt, Svelte, React, Vue, Solid, and Symfony. | The maker documents React, Express, Fastify, and Next.js integrations, with a framework-agnostic core for other runtimes. |
| Product | Hanko is an open-source authentication and user management platform for modern apps. | Seamless Auth is open-source passwordless authentication infrastructure that can be self-hosted or used as a managed service. |
Plans
Seamless Auth
- Free trialFree
- MVP$49 a month
- Business$149 a month
- EnterprisePriced on request
In their own words
Hanko
Hanko is an open-source authentication and user management platform for apps, supporting passkeys, passwords, passwordless login, multi-factor authentication, and single sign-on. Developers can use Hanko Elements, customizable web components for onboarding, login, and account management, or the Flow API to build custom authentication frontends. Elements work with web stacks using HTML and JavaScript. Quickstarts and starter templates are linked for Next.js, Remix, Nuxt, Svelte, React, Vue, Solid, and Symfony. Hanko is available in Hanko Cloud, private cloud, or self-hosted on customer servers. Hanko Cloud is currently hosted only in AWS Frankfurt, Germany. The company says customers retain control of their data and can move between Cloud and self-hosted deployments. Its Trust Center lists GDPR as compliant and ISO 27001 as in progress. Cloud tiers include 10,000 free monthly active users; the pricing FAQ says limits do not block signups or logins. Starter costs nothing, while Pro costs $29 a month.
Seamless Auth
Seamless Auth has no write-up on Specifiction yet; its figures are above.