Assembled vs Kustomer: who uses which
Customers, public proof and the companies that use both.
On usedby, 39 companies use Assembled and 32 use Kustomer. No company is listed with both yet. Assembled leads among the Fintech & Payments companies on usedby that use either tool, Kustomer among the E-commerce & D2C companies.Latest check Oct 8, 2026: 71 of 71 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, Kustomer, or both
Every company with a public proof for at least one of the two tools.
39
use only Assembled
0
companies use both
32
use only Kustomer
39 companies use only Assembled, 32 use only Kustomer and 0 use both, out of the 71 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 Kustomer yet.
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 Assembled, Kustomer or both: a share of the companies on usedby, not of the market.
Assembled onlyBothKustomer only
More common with Assembled
- Fintech & Payments6 of the 7 Fintech & Payments companies on usedby that use either tool use Assembled.
More common with Kustomer
- E-commerce & D2C9 of the 9 E-commerce & D2C companies on usedby that use either tool use Kustomer.
- Fashion & Apparel6 of the 6 Fashion & Apparel companies on usedby that use either tool use Kustomer.
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.
AssembledKustomerWhat 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
Kustomer
chat grew from 36% to 66% of all inbound volume in under 9 months
MeUndies
Vendor case study, kustomer.com, captured Oct 3, 2026
How Coterie Baby uses Kustomer
Coterie Baby
Vendor case study, kustomer.com, captured Oct 3, 2026
Questions about Assembled and Kustomer
Which is used more, Assembled or Kustomer?
Assembled has more customers on usedby: 39 against 32 for Kustomer. Assembled leads among the Fintech & Payments companies on usedby that use either tool, Kustomer among the E-commerce & D2C companies.
Do companies use both Assembled and Kustomer?
usedby has not found a company with a confirmed or observed line on both Assembled and Kustomer yet.
Who uses Assembled?
39 companies on usedby, each with the public page that shows it. See who uses Assembled.
Who uses Kustomer?
32 companies on usedby, each with the public page that shows it. See who uses Kustomer.
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.