Clerk vs Fly.io
A detailed comparison of Clerk and Fly.io in 2026. Compare pricing plans, features, and find out which development service is right for you.
Clerk
Complete user management and authentication platform for modern applications
Clerk is a developer tools and infrastructure service that provides complete user management and authentication platform for modern applications. Founded in 2019 and headquartered in San Francisco, California, Clerk offers 3 pricing plans. It offers a free tier as well as paid plans starting from $25/month. Key features include Authentication, User management, Multi-factor auth, Social login. Clerk is a popular choice for users looking for quality development subscriptions.
Fly.io
Deploy app servers close to your users globally
Fly.io is a developer tools and infrastructure service that provides deploy app servers close to your users globally. Founded in 2017 and headquartered in Chicago, Illinois, Fly.io offers 3 pricing plans. It offers a free tier as well as paid plans starting from $29/month. Key features include Global deployment, Edge computing, GPU machines, Managed Postgres. Fly.io is a popular choice for users looking for quality development subscriptions.
Feature Comparison
Side-by-side comparison of features and capabilities
| Feature | Clerk | Fly.io |
|---|---|---|
| Starting Price | Free | Free |
| Plans Available | 3 | 3 |
| Year Founded | 2019 | 2017 |
| Headquarters | San Francisco, California | Chicago, Illinois |
| Authentication | ||
| User management | ||
| Multi-factor auth | ||
| Social login | ||
| Organization management | ||
| Global deployment | ||
| Edge computing | ||
| GPU machines | ||
| Managed Postgres | ||
| Autoscaling | ||
| Private networking |
Pricing Comparison
Compare all available plans and pricing tiers
Clerk Pricing
Fly.io Pricing
Frequently Asked Questions
Is Clerk or Fly.io better in 2026?
Both Clerk and Fly.io are excellent development services. Clerk offers Authentication and User management, while Fly.io features Global deployment and Edge computing. The best choice depends on your specific needs and budget.
How much does Clerk cost compared to Fly.io?
Clerk starts at $25/month, while Fly.io starts at $29/month. Both offer multiple pricing tiers to fit different budgets.
Can I track both Clerk and Fly.io subscriptions?
Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Clerk and Fly.io. Get renewal alerts, spending analytics, and never miss a payment — 100% free.
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Track Both Services in One Dashboard
Whether you choose Clerk, Fly.io, or both — track all your subscriptions in one place with smart alerts and analytics.