Fly.io vs Upsun

Looking for a Platform-as-a-Service that goes beyond limits in deployment, performance, and observability? That’s Upsun.


Multicloud	AWS, Azure, OVH, GCP	Proprietary infrastructure
Sustainability	Carbon tracking + green hosting	x
Preview environments	Byte-for-byte clones with real data	Manual GitHub Actions setup
Request timeout	Unlimited duration	Fixed with timeout
Observability	Built-in observability features	3rd-party add-on
Managed data services	Full support	Postgres and Redis only
Pricing transparency	Transparent usage-based pricing	Region-based pricing
Performance monitoring	Real-time APM	Basic infrastructure metrics
Regulatory compliance	Comprehensive compliance framework	Limited
Persistent storage	Multi-tier storage	Limited
Background jobs	Built-in cron scheduling	Manual configuration
Container management	Git workflow	Docker setup required

All the enterprise PaaS features you need—all without complexity. Contact sales to schedule a demo.

Why Upsun is the best Fly.io alternative

Zero DevOps complexity

Git push is all you need to deploy your applications. Focus on development while Upsun manages Docker, containers, and infrastructure behind the scenes.

Built-in compliance certification

Meet enterprise compliance requirements with Upsun's built-in certifications (SOC2, PCI DSS, HIPAA) and security controls. Say goodbye to compliance gaps and deploy with confidence.

Predictable total cost

One platform, one contract, one bill. No surprise charges or hidden infrastructure costs.

Faster time to market

Go from local repo to production in minutes. Spend time building features without disruption in your application pipeline.

Ready to migrate to Upsun?

Switching is easier than you think.

Start with our free trial, and spend 15 days exploring Upsun for free. You'll see why over 16,000 developers choose the transparency, flexibility, and autonomy we provide.

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Experience the Upsun advantage

Get a 3% discount when you deploy and manage applications at data centers in our incentive-eligible greener regions.

Create byte-for-byte clones of your production environment in under 2 minutes, making updates simple, safe, and straightforward.

One centralized PaaS handles ops, storage, security, previews, and more. Sign 1 contract, pay 1 bill, and let your developers focus on 1 thing: coding.

Zero effort, 0 commitment required upfront. Get started with our $0 free tier and experience the difference for yourself.

…it's our flagship and our most visible web property taking millions of visits a month, so the extra hours of uptime are a huge win for us—especially since we don't have to worry about monitoring and fixing it ourselves.

Ryan Geraghty
Director of Web Development, HMP Global