# Cresta vs Zendesk AI: who uses which

On usedby, 18 companies use Cresta and 27 use Zendesk AI. 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: 41 of 45 public lines checked.

## Side by side

|  | [Cresta](https://www.usedby.ai/tools/cresta.md) | [Zendesk AI](https://www.usedby.ai/tools/zendesk-ai.md) |
|---|---|---|
| Public customers | 18 | 27 |
| Confirmed | 15 | 14 |
| Observed | 3 | 12 |
| Signals (job posts) | 0 | 1 |
| Top industries of customers | Airlines & Aviation Services (2), Automotive Manufacturing (1), Fintech & Payments (1) | DevTools & Infrastructure (4), Travel & Hospitality (3), E-commerce & D2C (2) |
| Category | Customer Service Automation | Customer Service Automation |
| Data processing terms | — | A data processing agreement is available. ([zendesk.com](https://www.zendesk.com/trust-center/), checked 2026-10-07) |
| Free trial | — | Free trial or free plan available. ([zendesk.com](https://www.zendesk.com/pricing/), checked 2026-10-07) |
| Integrations | — | Shopify, Microsoft Teams, Pipedrive, Klaviyo, GIPHY ([zendesk.com](https://www.zendesk.com/marketplace/), checked 2026-10-07) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Cresta: [Aptive](https://www.usedby.ai/case-studies/aptive-environmental-cresta.md): **$2.37 million**: “$2.37 million in additional annual revenue in the 2 years since deploying Cresta” (captured by usedby 2026-10-07)
- Cresta: [Vivint](https://www.usedby.ai/case-studies/vivint-cresta.md): **7%**: “In an Agent Assist pilot program, Vivint agents increased their closed won rate by nearly 7%.” (captured by usedby 2026-10-07)
- Zendesk AI: [IRC-CEO](https://www.usedby.ai/case-studies/irc-ceo-zendesk-ai.md): **56 percent**: “a reduction by more than 56 percent” (published 2026-03-09)
- Zendesk AI: [Babbel](https://www.usedby.ai/case-studies/babbel-zendesk-ai.md): **50 percent**: “more than 50 percent of Babbel’s tickets are automated through AI agents” (published 2026-02-11)

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