On usedby, 91 companies use Hex and 35 use PostHog. 2 companies use both, including Supabase and Lovable. Hex leads among the DevTools & Infrastructure companies on usedby that use either tool, PostHog among the Artificial Intelligence companies.Latest check Nov 13, 2026: 126 of 126 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Hex, PostHog, or both
Every company with a public proof for at least one of the two tools.
89
listed for Hex only
2
companies use both
33
listed for PostHog only
On usedby, 89 companies are listed for Hex only, 33 are listed for PostHog only and 2 use both, out of the 124 companies listed for at least one. An absent listing does not prove non-use.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Hex |
|---|---|
 Supabase | On or before Apr 2026 |
 Lovable | On or before Jan 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Hex, PostHog or both: a share of the companies on usedby, not of the market.
Listed for Hex onlyBothListed for PostHog only
More common with Hex
- DevTools & Infrastructure13 of the 20 DevTools & Infrastructure companies on usedby that use either tool use Hex, 1 of them alongside PostHog.
- Fintech & Payments6 of the 6 Fintech & Payments companies on usedby that use either tool use Hex.
More common with PostHog
- Artificial Intelligence11 of the 17 Artificial Intelligence companies on usedby that use either tool use PostHog, 1 of them alongside Hex.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Vendor facts checked: Hex, 3 of 6; PostHog, 5 of 6. Missing facts remain unverified, not absent features.
HexPostHogWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Hex
86% of recent Notebook Agent users aren't data scientists
Notion
Vendor case study, hex.tech, published Feb 18, 2026
running more tests at higher confidence with 50% less manual effort
The Zebra
Vendor case study, hex.tech, published Feb 18, 2026
PostHog
it took Evan only 10 minutes to set it up
Grantable
Vendor case study, posthog.com, captured Nov 12, 2026
Over the past six months alone, event volume increased 19×.
Arena (LMArena)
Vendor case study, posthog.com, captured Nov 12, 2026
Questions about Hex and PostHog
Which is used more, Hex or PostHog?
Hex has more customers on usedby: 91 against 35 for PostHog. Hex leads among the DevTools & Infrastructure companies on usedby that use either tool, PostHog among the Artificial Intelligence companies.
Do companies use both Hex and PostHog?
Yes. 2 companies use both on usedby, including Supabase and Lovable.
Who uses Hex?
91 companies on usedby, each with the public page that shows it. See who uses Hex.
Who uses PostHog?
35 companies on usedby, each with the public page that shows it. See who uses PostHog.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.