Clerk vs Fly.io: Pricing Comparison 2026
Side-by-side pricing comparison of Clerk and Fly.io. See all plans, features, and costs at a glance.
Bottom line: Clerk starts at Custom pricing and Fly.io starts at Custom pricing. Compare all 7 pricing tiers side by side.
Last updated: July 6, 2026
Clerk vs Fly.io: Quick Pricing Facts
| Feature | Clerk | Fly.io |
|---|---|---|
| Starting Price | Custom pricing | Custom pricing |
| Number of Plans | 4 | 3 |
| Free Tier | Yes | No |
| Pricing Model | usage-based | usage-based |
| Annual Discount | N/A | N/A |
Clerk and Fly.io are both priced at Custom pricing, making them equally accessible Dev Tools. Together they offer 7 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.
Clerk stands out with a free plan for getting started.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Dev Tools needs.
Ready to get started? Try either tool free — no credit card required.
What Reviewers Say
Clerk
Fly.io
Which Should You Choose?
Choose Clerk if:
- •You need authentication and user management for your application
- •Clerk's pre-built auth UI and organization management accelerate your product development
- •You want managed user storage and session handling
Choose Fly.io if:
- •You need a deployment platform that runs Docker containers on global edge infrastructure
- •Fly.io's simplicity for deploying apps close to users is the key advantage
- •You want PaaS-style deployments with global latency benefits
Clerk is authentication infrastructure. Fly.io is a deployment platform. They do not compete. Many teams deploy Clerk-authenticated applications on Fly.io. Clerk is free up to 10,000 MAUs; paid from $25/month. Fly.io starts free for small apps; usage-based pricing scales with compute.
Frequently Asked Questions: Clerk vs Fly.io
How many pricing plans does Clerk have vs Fly.io?
Does Clerk or Fly.io offer a free plan?
Does Clerk or Fly.io offer custom enterprise pricing?
How do Clerk and Fly.io compare for Dev Tools?
Sources
- Clerk Official Pricing- Vendor pricing page
- Fly.io Official Pricing- Vendor pricing page
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