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Home/Compare/Clerk vs Fly.io

Clerk vs Fly.io

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data last refreshed May 14, 2026.

Clerk

The most comprehensive User Management Platform.

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Category
auth
Plans tracked
4
Entry price
$25/mo
Free plan?
Yes
See full Clerk pricing & changelog →

Fly.io

Run user code close to users.

Visit →
Category
hosting
Plans tracked
4
Entry price
$29/mo
Free plan?
No
See full Fly.io pricing & changelog →

Plan-by-plan pricing

Clerk

Hobby

Clerk

Free
  • Up to 3 dashboard seats
  • Unlimited applications
  • 50,000 MRU limit per app
  • Up to 5 user impersonations
  • Custom domain
  • + 1 more

Pro

Clerk

$25/mo
  • Up to 3 dashboard seats
  • 50,000 MRU included per app
  • 1 Enterprise connection included
  • Remove Clerk branding
  • Multi-factor authentication (MFA)
  • + 1 more

Business

Clerk

$300/mo
  • 10 dashboard seats included
  • Additional seats $20/mo each
  • SOC2 Report
  • Enhanced dashboard roles
  • Priority support
  • + 1 more

Enterprise

Clerk

Custom
  • Annual committed use discounts
  • 99.99% Uptime SLA
  • Enterprise SSO for workspace
  • Premium support SLA + dedicated slack channel
  • HIPAA compliance available with BAA
  • + 1 more

Fly.io

Serious Support

Fly.io

$29/mo
  • Dedicated team of engineers
  • Starting price

Compliance Made Easy

Fly.io

$99/mo
  • HIPAA-compliant workloads
  • BAAs
  • SOC2s

Pay-as-You-Go Infrastructure

Fly.io

-
  • Micro VMs
  • Persistent storage
  • Usage-based billing

Enterprise-Ready

Fly.io

Custom
  • Larger workloads
  • Custom resource configurations
  • SLA requirements
  • Emergency support

Clerk vs Fly.io FAQ

Clerk vs Fly.io: which is cheaper?
Clerk starts at $25/mo, while Fly.io starts at $29/mo in the latest snapshot.
Does Clerk or Fly.io have a free plan?
Clerk shows a free plan in the latest snapshot, while Fly.io does not.
Is Clerk a good auth alternative to Fly.io?
Clerk is tracked in auth, while Fly.io overlaps for similar buyers. Use the changelog section below to compare shipping cadence before you choose.
How often is this Clerk vs Fly.io comparison updated?
TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Recent product updates

What each team shipped most recently.

Clerk

  • May 6, 2025
    Improved observability with Application Logs

    Clerk's new Logs page tracks sign-ins, updates, billing, and other events with filtering and full detail views.

  • Apr 22, 2025
    Clerk CLI

    Clerk CLI is an open-source terminal tool for managing Clerk projects, settings, and resources via commands like init, config, and api.

  • Apr 17, 2025
    API Keys General Availability

    Clerk API keys are now generally available with free monthly allocations for creations and verifications, followed by usage-based pricing.

See all Clerk updates →

Fly.io

No recent updates tracked.

See all Fly.io updates →

Which should you pick?

Both Clerk and Fly.io serve overlapping audiences (Clerk in auth, Fly.io in hosting).

  • Choose Clerk if you value: the most comprehensive user management platform.
  • Choose Fly.io if you value: run user code close to users.
  • Subscribe to TrackRival if you want to be notified whenever either of them changes pricing or ships a major update — so you can react before your competitors do.

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