How many companies use Substack vs YUI?

6,092 companies use Substack and 2,284 companies use YUI in our database. Substack is more widely adopted with 2.7x more companies than YUI.

Can I get a list of companies using both Substack and YUI?

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.

Substack is used by 6,092companies — 2.7x more than YUI (2,284).

6,092 use Substack2,284 use YUI

	Substack	YUI
Companies	6,092	2,284
Category	Blogs	JavaScript libraries

Get the full comparison

8,376 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=substack

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