Head-to-head, indicative as of Oct 2026. Prices change — always confirm on the vendor page.
Quick read: pick Fly.io if your workload is apps that need to be close to users everywhere and its included egress fits your traffic shape; pick Azure App Service if you need enterprise .net and web apps on azure. For anything latency-sensitive at the edge, cold start row is the tiebreaker.
| Fly.io | Azure App Service | |
|---|---|---|
| Type | Global VM platform | Managed app hosting |
| Free tier | Small allowances on paid plan | F1 free tier |
| Paid pricing (indicative) | Pay-as-you-go from ~$2/mo per VM | B1 from ~$13-14/mo |
| Egress | Free tier then billed | Metered |
| Cold start | ~300ms (Firecracker VMs) | N/A |
| Regions | 30+ regions | Azure global regions |
| Best for | Apps that need to be close to users everywhere | Enterprise .NET and web apps on Azure |
Try Fly.io Try Azure App Service
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Last reviewed 2026-10-02 · NinjaOps SEO grid · DevOps blog