What Fly.io does
Fly.io deploys full-stack applications as Firecracker virtual machines. The listing says apps are distributed across more than 30 regions, so they run close to users for low latency. The listing describes it as offering more control than Vercel with less complexity than AWS. Developers who need that balance use it to run applications globally. The product is available at fly.io.
How Fly.io compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as Fly.io does. Among the 5 that list a starting price, the cheapest is Railway at $5 a month and the median is $19. All 5 offer an API, as Fly.io does. Fly.io offers a command-line tool. Of the 4 alternatives with platforms on record, all 4 offer a command-line tool. Fly.io was founded in 2017; the alternatives were founded between 2014 and 2022, 3 of them earlier. The alternatives with a known headquarters are in the United States.