Seamless Auth
6.9#16 in passwordless authentication softwareFrom $49 a monthAndroidiOSWebAPI
VisitSeamless Auth vs SuperTokens
SuperTokens
8.5#2 in passwordless authentication softwareFrom $0.02 a monthFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Seamless Auth | SuperTokens |
|---|---|---|
| Authentication methods | The product supports passkeys, magic links, email and phone OTP, and TOTP MFA. | The platform supports email/password, passwordless magic links or OTPs, social login, passkeys, MFA, unified login, machine-to-machine authentication, and enterprise multitenancy. |
| Integrations | The maker documents React, Express, Fastify, and Next.js integrations, with a framework-agnostic core for other runtimes. | The homepage lists support for JavaScript, Go, Python, React, Angular, Vue, Android, Flutter, and iOS, and says it works with more than 25 frameworks. |
| Product | Seamless Auth is open-source passwordless authentication infrastructure that can be self-hosted or used as a managed service. | SuperTokens is an open-source authentication provider for adding customizable authentication and session management to applications. |
Seamless Auth plans
- Free trialFree
- MVP$49 a month
- Business$149 a month
- EnterprisePriced on request
SuperTokens plans
- Self-hostedFree
- Self-hosted open sourceFree
- Account Linking add-on$0.01 a month
- Multi-factor authentication add-on$0.01 a month
- Cloud$0.02 a month
- Dashboard users$20 a month
Pick Seamless Auth if…
You want what its maker publishes above — check its page for the details.
Pick SuperTokens if…
SuperTokens is for developers building authentication and session management into applications, from startups to enterprises. It suits teams that want to self-host open-source features or use the managed Cloud plan.