# Duckle vs Kustomer: who uses which

On usedby, 21 companies use Duckle 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 2026-10-04: 49 of 53 public lines checked.

## Side by side

|  | [Duckle](https://www.usedby.ai/tools/duckle.md) | [Kustomer](https://www.usedby.ai/tools/kustomer.md) |
|---|---|---|
| Public customers | 21 | 32 |
| Confirmed | 4 | 27 |
| Observed | 17 | 5 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Artificial Intelligence (3), DevTools & Infrastructure (3), Data & Analytics (2) | E-commerce & D2C (9), Fashion & Apparel (6), Travel & Hospitality (2) |
| Category | Customer Service Automation | Customer Service Automation |
| Integrations | Slack, Discord, Gmail, Confluence, Notion, Google Drive, Sentry, Jira, Linear, GitHub, Zendesk, Intercom ([duckie.ai](https://duckie.ai/integrations), checked 2026-10-07) | 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) |
| Data processing terms | — | A data processing agreement is available. ([kustomer.com](https://www.kustomer.com/privacy/), checked 2026-10-07) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Duckle: [Abbiamo](https://www.usedby.ai/case-studies/abbiamo-duckle.md): **66%**: “66% reduction in support cost” (captured by usedby 2026-10-04)
- 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/duckle-vs-kustomer · How we check: https://www.usedby.ai/methodology