How many companies use Fly.io vs Pantheon?

166 companies use Fly.io and 1,981 companies use Pantheon in our database. Pantheon is more widely adopted with 11.9x more companies than Fly.io.

Can I get a list of companies using both Fly.io and Pantheon?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

Pantheon is used by 1,981companies — 11.9x more than Fly.io (166).

166 use Fly.io1,981 use Pantheon

	Fly.io	Pantheon
Companies	166	1,981
Category	PaaS	PaaS

Get the full comparison

2,147 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=fly-io

From the makers of AgentData

DragApp

AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

HeyHelp

AI email assistant inside Gmail. Drafts, sorts, follows up.

Oneway

All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

Access technology comparison data programmatically via REST API or MCP.