On usedby, 17 companies use D-ID and 51 use HeyGen. No company is listed with both yet.Latest check Oct 8, 2026: 48 of 68 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 D-ID, HeyGen, or both
Every company with a public proof for at least one of the two tools.
17
use only D-ID
0
companies use both
51
use only HeyGen
17 companies use only D-ID, 51 use only HeyGen and 0 use both, out of the 68 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for D-ID yet.
Where it lands
Newest customers
We have not started tracking changes for HeyGen yet.
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.
D-ID
HeyGenWhat customers report
Results as the vendor or the customer published them, with the source and the date.
D-ID
50% Open Rate on the Billy 2.0 avatar email campaign, which is nearly double Envy's average.
Envy
Vendor case study, d-id.com, published May 18, 2025
The team successfully reduced response times to under three seconds
Hakuhodo Technologies
Vendor case study, d-id.com, published Feb 12, 2026
HeyGen
60–70% of client videos are powered by HeyGen
Nick Krem
Vendor case study, heygen.com, captured Oct 5, 2026
Shalev grew Yang Mun to over 2.5 million Instagram followers
Yang Mun
Vendor case study, heygen.com, captured Oct 2, 2026
Questions about D-ID and HeyGen
Which is used more, D-ID or HeyGen?
HeyGen has more customers on usedby: 51 against 17 for D-ID.
Do companies use both D-ID and HeyGen?
usedby has not found a company with a confirmed or observed line on both D-ID and HeyGen yet.
Who uses D-ID?
17 companies on usedby, each with the public page that shows it. See who uses D-ID.
Who uses HeyGen?
51 companies on usedby, each with the public page that shows it. See who uses HeyGen.
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.