# Ada vs Cresta: who uses which

On usedby, 35 companies use Ada and 18 use Cresta. 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: 45 of 53 public lines checked.

## Side by side

|  | [Ada](https://www.usedby.ai/tools/ada.md) | [Cresta](https://www.usedby.ai/tools/cresta.md) |
|---|---|---|
| Public customers | 35 | 18 |
| Confirmed | 27 | 15 |
| Observed | 8 | 3 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Fintech & Payments (6), E-commerce & D2C (3), HR & Recruiting (3) | Airlines & Aviation Services (2), Automotive Manufacturing (1), Fintech & Payments (1) |
| Category | Customer Service Automation | Customer Service Automation |

## 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)
- 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)

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