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Cloudflare vs Fly.io

A detailed comparison to help you choose between Cloudflare and Fly.io.

Last reviewed:
C
Cloudflare

Web security, CDN, and edge computing platform.

F
Fly.io

Global edge application hosting platform

FeatureCloudflareFly.io
Pricing ModelFreemiumFreemium
Free TierYesYes
Monthly Cost (Solo)$0$0
Target Audiencesolopreneurs, startups, developersdevelopers
VerifiedYesNo
Solo-FriendlyYesYes
Open SourceNoNo
Editorial Rating4.7/54.2/5
CategoriesSecurity, Developer ToolsDeveloper Tools
Key FeaturesCDN & caching, DDoS protection, DNS management, SSL/TLS certificates, Workers (edge computing)Global edge deployment (30+ regions), Dockerfile-based deployment, Built-in Postgres and Redis, Volume storage, Private networking
Free Tier Quality
excellent
good

Pricing Breakdown

Cloudflare

Free: CDN, DDoS protection, SSL, DNS. Pro: $20/month (WAF, image optimization). Business: $200/month (custom WAF). Enterprise: custom. Workers: 100K requests/day free.

Fly.io

Free: 3 shared VMs (256MB each), 3GB storage, 160GB transfer. Shared VM: ~$1.94/month. Dedicated VM: ~$29/month. Postgres: from $1.94/month.

Integration Overlap

Shared Integrations (1)

Terraform

Only in Cloudflare (9)

WordPressShopifyAWSGoogle CloudAzureGitHubGitLabVercelNext.js

Only in Fly.io (6)

DockerGitHub ActionsPostgreSQLRedisPrometheusGrafana

Use Case Fit

Cloudflare

  • * CDN and website acceleration
  • * DDoS protection and security
  • * DNS hosting and management
  • * Serverless computing (Workers)
  • * Static site hosting (Pages)

Fly.io

  • * Global edge application hosting
  • * Full-stack app deployment
  • * Real-time application hosting
  • * Multi-region database deployment
  • * Docker container hosting

Cloudflare

Pros

  • + Incredibly generous free tier
  • + Fastest DNS in the world
  • + Workers platform for edge computing
  • + R2 with zero egress fees

Cons

  • - Advanced features require Business/Enterprise
  • - Complex Workers pricing at scale

Fly.io

Pros

  • + Deploy anywhere globally with one command
  • + Generous free tier (3 shared VMs)
  • + Run any Docker container
  • + Built-in managed databases

Cons

  • - Steeper learning curve than Vercel/Railway
  • - CLI-centric (less visual dashboard)
  • - Pricing can be unpredictable
  • - Documentation could be better

Editorial Verdict

Cloudflare takes the lead for solo founders — it offers better value and is explicitly solo-friendly. Fly.io may still be the right pick if you need deep Developer Tools features or plan to scale to a larger team.

Sarah Chen

Editor-in-Chief