Profound vs Surfer: who uses which
Customers, public proof and the companies that use both.
On usedby, 39 companies use Profound and 53 use Surfer. 1 company uses both, including Intuit. Surfer leads among the DevTools & Infrastructure companies on usedby that use either tool.Latest check Oct 8, 2026: 89 of 92 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses Profound, Surfer, or both
Every company with a public proof for at least one of the two tools.
38
use only Profound
1
company uses both
52
use only Surfer
38 companies use only Profound, 52 use only Surfer and 1 uses both, out of the 91 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 2, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Intuit |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Profound, Surfer or both: a share of the companies on usedby, not of the market.
Profound onlyBothSurfer only
More common with Surfer
- DevTools & Infrastructure4 of the 7 DevTools & Infrastructure companies on usedby that use either tool use Surfer.
- Marketing Tech6 of the 6 Marketing Tech companies on usedby that use either tool use Surfer.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
ProfoundSurferWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Profound
Airbyte closed a $100,000 deal from ChatGPT in July 2025
Airbyte
Vendor case study, tryprofound.com, captured Oct 8, 2026
set up full visibility across all the core prompts we cared about in less than 2 hours
Statsig
Vendor case study, tryprofound.com, captured Oct 8, 2026
Surfer
No reviewed story for Surfer yet.
Questions about Profound and Surfer
Which is used more, Profound or Surfer?
Surfer has more customers on usedby: 53 against 39 for Profound.
Do companies use both Profound and Surfer?
Yes. 1 company uses both on usedby, including Intuit.
Who uses Profound?
39 companies on usedby, each with the public page that shows it. See who uses Profound.
Who uses Surfer?
53 companies on usedby, each with the public page that shows it. See who uses Surfer.
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 three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.