On usedby, 35 companies use Pylon and 24 use Zowie. No company is listed with both yet. Pylon leads among the DevTools & Infrastructure companies on usedby that use either tool.Latest check Oct 8, 2026: 59 of 59 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 Pylon, Zowie, or both
Every company with a public proof for at least one of the two tools.
35
use only Pylon
0
companies use both
24
use only Zowie
35 companies use only Pylon, 24 use only Zowie and 0 use both, out of the 59 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 8, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Pylon, Zowie or both: a share of the companies on usedby, not of the market.
Pylon onlyBothZowie only
More common with Pylon
- DevTools & Infrastructure7 of the 7 DevTools & Infrastructure companies on usedby that use either tool use Pylon.
- Artificial Intelligence6 of the 6 Artificial Intelligence companies on usedby that use either tool use Pylon.
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.
Pylon
ZowieWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Pylon
Ada completed their migration in 2 weeks with zero disruption
Ada
Vendor case study, usepylon.com, captured Oct 8, 2026
First response times have improved from 50 minutes to under 3.5 minutes for support issues
Coalesce
Vendor case study, usepylon.com, captured Oct 8, 2026
Zowie
No reviewed story for Zowie yet.
Questions about Pylon and Zowie
Which is used more, Pylon or Zowie?
Pylon has more customers on usedby: 35 against 24 for Zowie.
Do companies use both Pylon and Zowie?
usedby has not found a company with a confirmed or observed line on both Pylon and Zowie yet.
Who uses Pylon?
35 companies on usedby, each with the public page that shows it. See who uses Pylon.
Who uses Zowie?
24 companies on usedby, each with the public page that shows it. See who uses Zowie.
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.