# Crescendo vs Duckle: who uses which

On usedby, 31 companies use Crescendo and 21 use Duckle. 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 2026-10-07: 48 of 52 public lines checked.

## Side by side

|  | [Crescendo](https://www.usedby.ai/tools/crescendo.md) | [Duckle](https://www.usedby.ai/tools/duckle.md) |
|---|---|---|
| Public customers | 31 | 21 |
| Confirmed | 15 | 4 |
| Observed | 16 | 17 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Marketplace (2), DevTools & Infrastructure (1), Fintech & Payments (1) | Artificial Intelligence (3), DevTools & Infrastructure (3), Data & Analytics (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) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Crescendo: [Webconnex](https://www.usedby.ai/case-studies/webconnex-crescendo.md): **12,000+**: “With 12,000+ more tickets sold year over year” (captured by usedby 2026-10-07)
- Crescendo: [Rio](https://www.usedby.ai/case-studies/rio-crescendo.md): **$10K**: “Monthly savings $10K” (captured by usedby 2026-10-07)
- Duckle: [Abbiamo](https://www.usedby.ai/case-studies/abbiamo-duckle.md): **66%**: “66% reduction in support cost” (captured by usedby 2026-10-04)

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