Assembled vs Decagon: who uses which
Customers, public proof and the companies that use both.
On usedby, 39 companies use Assembled and 43 use Decagon. 4 companies use both, including Notion, ClassPass, and Spring Health. Assembled leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 8, 2026: 82 of 82 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 Assembled, Decagon, or both
Every company with a public proof for at least one of the two tools.
35
use only Assembled
4
companies use both
39
use only Decagon
35 companies use only Assembled, 39 use only Decagon and 4 use both, out of the 78 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
Where it lands
Newest customers
We have not started tracking changes for Decagon yet.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Notion |
 ClassPass |
 Spring Health |
 Substack |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Assembled, Decagon or both: a share of the companies on usedby, not of the market.
Assembled onlyBothDecagon only
More common with Assembled
- Fintech & Payments6 of the 10 Fintech & Payments companies on usedby that use either tool use Assembled.
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.
Assembled
DecagonWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Assembled
Through improved schedule adherence alone, NEXT Insurance has already saved $957K.
NEXT Insurance
Vendor case study, assembled.com, captured Oct 8, 2026
average handle time has dropped by 60%
Preply
Vendor case study, assembled.com, captured Oct 8, 2026
Decagon
Avoided the need to hire over 35 additional agents while managing growing inquiry volumes
NG.CASH
Vendor case study, decagon.ai, published Jul 28, 2026
ticket resolution time improved up to 34%
Notion
Vendor case study, decagon.ai, published Jul 28, 2026
Questions about Assembled and Decagon
Which is used more, Assembled or Decagon?
Decagon has more customers on usedby: 43 against 39 for Assembled.
Do companies use both Assembled and Decagon?
Yes. 4 companies use both on usedby, including Notion, ClassPass, and Spring Health.
Who uses Assembled?
39 companies on usedby, each with the public page that shows it. See who uses Assembled.
Who uses Decagon?
43 companies on usedby, each with the public page that shows it. See who uses Decagon.
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.