# Ada vs Kustomer: who uses which

On usedby, 35 companies use Ada and 32 use Kustomer. No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-05: 59 of 67 public lines checked.

## Side by side

|  | [Ada](https://www.usedby.ai/tools/ada.md) | [Kustomer](https://www.usedby.ai/tools/kustomer.md) |
|---|---|---|
| Public customers | 35 | 32 |
| Confirmed | 27 | 27 |
| Observed | 8 | 5 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Fintech & Payments (6), E-commerce & D2C (3), HR & Recruiting (3) | E-commerce & D2C (9), Fashion & Apparel (6), Travel & Hospitality (2) |
| Category | Customer Service Automation | Customer Service Automation |
| Data processing terms | — | A data processing agreement is available. ([kustomer.com](https://www.kustomer.com/privacy/), checked 2026-10-07) |
| Integrations | — | 8x8, Acuity Scheduling, Ada, AfterShip, Aircall, Amazon Connect, Amazon Redshift, AskNicely, Assembled, Attentive, Babelforce, BigCommerce ([kustomer.com](https://www.kustomer.com/integrations/), checked 2026-10-07) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Ada: [Dott](https://www.usedby.ai/case-studies/dott-ada.md): **77%**: “By 2026, that number had climbed to 77%” (published 2026-05-21)
- Ada: [Deezer](https://www.usedby.ai/case-studies/deezer-ada.md): **85%**: “Melodie is involved in about 85% of Deezer's support contacts” (published 2026-08-17)
- Kustomer: [MeUndies](https://www.usedby.ai/case-studies/meundies-kustomer.md): **66%**: “chat grew from 36% to 66% of all inbound volume in under 9 months” (captured by usedby 2026-10-03)
- Kustomer: [Coterie Baby](https://www.usedby.ai/case-studies/coterie-baby-kustomer.md): story without a checked figure. (captured by usedby 2026-10-03)

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Source: https://www.usedby.ai/compare/ada-vs-kustomer · How we check: https://www.usedby.ai/methodology