
Rownd
Complete authentication platform with passwordless sign-in, payments, and user management. Free for up to 1M users with pre-built UI components and quick SDK integration.

Complete authentication and app services platform that handles everything from sign-in to scale, trusted by AI builders and product-led teams worldwide. Free for up to 1 million monthly active users with no credit card required.
Key features include:
- Passwordless authentication with passkeys and magic links for frictionless user experience
- Pre-built UI components for auth, payments, and user flows to launch faster
- Fully customizable interfaces that match your brand without compromising control
- Quick integration in minutes using SDKs or APIs across all major platforms
- Built-in payments and subscriptions with smart links for marketing campaigns
- Real-time user insights and metrics to optimize conversion and retention
Perfect for developers who want to ship faster without building authentication from scratch. Ideal for product teams looking to boost retention with better user experiences. Great for marketers who need frictionless sign-ins that drive growth.
Enterprise-grade security with SOC-2 certification, advanced encryption, and compliance with global standards. Adaptive sign-in updates in real-time based on user behavior without requiring redeployment.
Customers report conversion improvements from 40% to 77% after implementing Rownd. Backed by Y Combinator and trusted by companies scaling to millions of users.
Rownd’s pre‑built UI is fully customizable so product teams can change colors, wording and branding
Rownd’s webhook integration notifies external systems when user data changes
Connectors sync user accounts with tools like Airtable, Firebase, HubSpot, Mailchimp, WooCommerce and Zapier
Rownd is passwordless so there are no passwords to check against breach lists
Automated migration from other authentication providers or hands-on assistance when you come from your own auth
Developers can define custom fields and metadata in user profiles
Assign roles and permissions through groups and role‑based access control
Rownd provides an admin dashboard for managing users and applications
Rownd provides only passwordless authentication methods. Therefore, no password export possible
Built‑in analytics provide real‑time dashboards, funnels and cohort analysis to monitor user engagement