On usedby, 10 companies use Day AI and 40 use Gong. No company is listed with both yet. Gong leads among the Marketing Tech companies on usedby that use either tool.Latest check Oct 2, 2026: 38 of 50 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 Day AI, Gong, or both
Every company with a public proof for at least one of the two tools.
10
use only Day AI
0
companies use both
40
use only Gong
10 companies use only Day AI, 40 use only Gong and 0 use both, out of the 50 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for Day AI yet.
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.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Day AI, Gong or both: a share of the companies on usedby, not of the market.
Day AI onlyBothGong only
More common with Gong
- Marketing Tech9 of the 9 Marketing Tech companies on usedby that use either tool use Gong.
- HR & Recruiting8 of the 8 HR & Recruiting companies on usedby that use either tool use Gong.
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.
Day AIGongWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Questions about Day AI and Gong
Which is used more, Day AI or Gong?
Gong has more customers on usedby: 40 against 10 for Day AI.
Do companies use both Day AI and Gong?
usedby has not found a company with a confirmed or observed line on both Day AI and Gong yet.
Who uses Day AI?
10 companies on usedby, each with the public page that shows it. See who uses Day AI.
Who uses Gong?
40 companies on usedby, each with the public page that shows it. See who uses Gong.
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.