Fellow vs Fireflies: who uses which
Customers, public proof and the companies that use both.
On usedby, 28 companies use Fellow and 24 use Fireflies. No company is listed with both yet.Latest check Oct 7, 2026: 43 of 52 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 Fellow, Fireflies, or both
Every company with a public proof for at least one of the two tools.
28
use only Fellow
0
companies use both
24
use only Fireflies
28 companies use only Fellow, 24 use only Fireflies and 0 use both, out of the 52 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 7, 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.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Fellow
FirefliesWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Fellow

Over 90% of Jimdo has fully adopted Fellow throughout the organization.
Jimdo
Vendor case study, fellow.ai, captured Oct 7, 2026

How Jacaranda Finance uses Fellow
Jacaranda Finance
Vendor case study, fellow.ai, captured Oct 7, 2026
Fireflies
No reviewed story for Fireflies yet.
Questions about Fellow and Fireflies
Which is used more, Fellow or Fireflies?
Fellow has more customers on usedby: 28 against 24 for Fireflies.
Do companies use both Fellow and Fireflies?
usedby has not found a company with a confirmed or observed line on both Fellow and Fireflies yet.
Who uses Fellow?
28 companies on usedby, each with the public page that shows it. See who uses Fellow.
Who uses Fireflies?
24 companies on usedby, each with the public page that shows it. See who uses Fireflies.
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.