Fellow vs Grain: who uses which
Customers, public proof and the companies that use both.
On usedby, 28 companies use Fellow and 30 use Grain. 1 company uses both, including Webflow. Grain leads among the Marketing Tech companies on usedby that use either tool.Latest check Oct 7, 2026: 58 of 58 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, Grain, or both
Every company with a public proof for at least one of the two tools.
27
use only Fellow
1
company uses both
29
use only Grain
27 companies use only Fellow, 29 use only Grain and 1 uses both, out of the 57 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 7, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
Webflow |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Fellow
GrainWhat 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
Grain
No reviewed story for Grain yet.
Questions about Fellow and Grain
Which is used more, Fellow or Grain?
Grain has more customers on usedby: 30 against 28 for Fellow.
Do companies use both Fellow and Grain?
Yes. 1 company uses both on usedby, including Webflow.
Who uses Fellow?
28 companies on usedby, each with the public page that shows it. See who uses Fellow.
Who uses Grain?
30 companies on usedby, each with the public page that shows it. See who uses Grain.
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.
