Fly.io vs Cloudflare: Honest Comparison (2026)

<p>Fly.io is a platform for running full-stack applications on servers close to users worldwide while Cloudflare Workers provides an edge computing platform for serverless functions. Both focus on running code close to users but with fundamentally different architectures.</p><div class="scores-data" data-scores-a='{"ease_of_use":7,"features":8.5,"value":8,"support":7}' data-scores-b='{"ease_of_use":8,"features":8.5,"value":9,"support":7.5}'></div><h3>Tool A Strengths</h3><ul><li>Run full applications on real VMs</li><li>Support for any Docker container</li><li>Persistent storage and databases</li><li>Traditional server architecture distributed globally</li><li>Built-in Postgres clusters</li></ul><h3>Tool A Weaknesses</h3><ul><li>Steeper learning curve</li><li>Pricing can be unpredictable</li><li>Smaller edge network than Cloudflare</li><li>Debugging distributed apps is complex</li></ul><h3>Tool B Strengths</h3><ul><li>Massive 300+ location edge network</li><li>Workers for edge computing</li><li>R2 object storage with no egress fees</li><li>D1 edge database</li><li>KV and Durable Objects for state</li></ul><h3>Tool B Weaknesses</h3><ul><li>Limited to serverless architecture</li><li>No traditional VMs or servers</li><li>Worker execution time limits</li><li>Complex apps need architecture rethinking</li></ul>