On usedby, 25 companies use Gem and 23 use SeekOut. No company is listed with both yet. Gem leads among the DevTools & Infrastructure companies on usedby that use either tool.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 Gem, SeekOut, or both
Every company with a public proof for at least one of the two tools.
25
use only Gem
0
companies use both
23
use only SeekOut
25 companies use only Gem, 23 use only SeekOut 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 6, 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.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Gem, SeekOut or both: a share of the companies on usedby, not of the market.
Gem onlyBothSeekOut only
More common with Gem
- DevTools & Infrastructure5 of the 7 DevTools & Infrastructure companies on usedby that use either tool use Gem.
- Artificial Intelligence4 of the 5 Artificial Intelligence companies on usedby that use either tool use Gem.
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.
Gem
SeekOutWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Gem
The switch to Gem resulted in immediate time and cost savings of 40%.
Excelity
Vendor case study, gem.com, published Jun 9, 2026
Saved 3,300+ hours through automated workflows.
Octave
Vendor case study, gem.com, published Jun 9, 2026
SeekOut
No reviewed story for SeekOut yet.
Questions about Gem and SeekOut
Which is used more, Gem or SeekOut?
Gem has more customers on usedby: 25 against 23 for SeekOut.
Do companies use both Gem and SeekOut?
usedby has not found a company with a confirmed or observed line on both Gem and SeekOut yet.
Who uses Gem?
25 companies on usedby, each with the public page that shows it. See who uses Gem.
Who uses SeekOut?
23 companies on usedby, each with the public page that shows it. See who uses SeekOut.
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.