Fly.io: Edge app hosting. We've found 450 companies using Fly.io, most often in Healthcare (15%) and Engineering, Product and Design (9%), typically with 1–10 employees and 68% based in United States.
Customers450companies use it
Most popular withEngineering, Product and Design35× more likely than average
Typical customer1–10employees · mostly United States
We've found 450 companies using Fly.io among the 184,500 we've scanned so far. We only count a company when a direct public record backs it up.
What kind of companies use Fly.io?
Fly.io customers are most often in Healthcare (15%), Engineering, Product and Design (9%) and Internet (8%). The most common company size is 1–10 employees (32% of customers with a known size).
Which countries use Fly.io the most?
Most Fly.io customers we've found are in United States (68%), United Kingdom (7%) and Canada (5%).
What are the alternatives to Fly.io?
The most used alternatives in the same category are Vercel (17,012 companies), Microsoft Azure (16,964 companies), Google Cloud (16,305 companies) and Amazon Web Services (12,521 companies).
How does runsonwhat know a company uses Fly.io?
We read public traces only. For Fly.io that means a subdomain that points at Fly.io, the website's response headers and the company's published subprocessor list. Every match keeps the record it came from.
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