On usedby, 30 companies use Grain and 18 use Tana. No company is listed with both yet. Grain leads among the Marketing Tech companies on usedby that use either tool, Tana among the DevTools & Infrastructure companies.Latest check Oct 8, 2026: 48 of 48 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 Grain, Tana, or both
Every company with a public proof for at least one of the two tools.
30
use only Grain
0
companies use both
18
use only Tana
30 companies use only Grain, 18 use only Tana and 0 use both, out of the 48 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 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 Grain, Tana or both: a share of the companies on usedby, not of the market.
Grain onlyBothTana only
More common with Grain
- Marketing Tech5 of the 5 Marketing Tech companies on usedby that use either tool use Grain.
More common with Tana
- DevTools & Infrastructure3 of the 5 DevTools & Infrastructure companies on usedby that use either tool use Tana.
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.
GrainTanaWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Questions about Grain and Tana
Which is used more, Grain or Tana?
Grain has more customers on usedby: 30 against 18 for Tana. Grain leads among the Marketing Tech companies on usedby that use either tool, Tana among the DevTools & Infrastructure companies.
Do companies use both Grain and Tana?
usedby has not found a company with a confirmed or observed line on both Grain and Tana yet.
Who uses Grain?
30 companies on usedby, each with the public page that shows it. See who uses Grain.
Who uses Tana?
18 companies on usedby, each with the public page that shows it. See who uses Tana.
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.