# Sierra vs Tidio: who uses which

On usedby, 51 companies use Sierra and 50 use Tidio. 1 company uses both, including ADT. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-10-09: 99 of 101 public lines checked.

## Side by side

|  | [Sierra](https://www.usedby.ai/tools/sierra.md) | [Tidio](https://www.usedby.ai/tools/tidio.md) |
|---|---|---|
| Public customers | 51 | 50 |
| Confirmed | 34 | 41 |
| Observed | 17 | 9 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers (every proof level) | Fintech & Payments (8), Retail (4), E-commerce & D2C (3) | Fashion & Apparel (8), Beauty & Cosmetics (7), E-commerce & D2C (5) |
| Category | AI agents for customer service | AI agents for customer service |
| Data processing terms | A data processing agreement is available. ([sierra.ai](https://sierra.ai/privacy-policy), checked 2026-10-04) | — |
| Free trial | — | Free trial or free plan available. ([tidio.com](https://www.tidio.com/pricing/), checked 2026-10-04) |
| Integrations | — | Salesforce, Zendesk, Shopify, Instagram, Messenger (Meta), WhatsApp, WordPress, Zapier, Tidio OpenAPI, ActiveCampaign, Asana, Adobe Commerce (Magento) ([tidio.com](https://www.tidio.com/integrations/), checked 2026-10-04) |

## Companies that use both

Every proof level counts; the proof level of each side is shown, strongest proofs first. The first public proof is not an adoption date.

| Company | Proof, Sierra | Proof, Tidio | First public proof, Sierra | First public proof, Tidio |
|---|---|---|---|---|
| [ADT](https://www.usedby.ai/companies/adt.md) | Confirmed | Observed | On or before November 2024 | On or before December 2024 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Sierra: [RunBuggy](https://www.usedby.ai/case-studies/runbuggy-sierra.md): **1,000 hours**: “Nearly 1,000 hours per month returned to exception handling and high-value work” (published 2026-02-03)
- Sierra: [Next](https://www.usedby.ai/case-studies/next-sierra.md): **6 weeks**: “Time to live 6 weeks” (published 2026-02-25)
- Tidio: [VisaEnvoy](https://www.usedby.ai/case-studies/visaenvoy-tidio.md): **36%**: “36% Increase in Bot Engagement: Pre-chat bot engagement rates rose from 2.11% to 2.86%” (published 2026-04-01)
- Tidio: [Tailfin](https://www.usedby.ai/case-studies/tailfin-tidio.md): **395.5 hours**: “395.5 hours 395.5 Hours Saved: In just 30 days, the AI solution saved Tailfin’s team nearly 400 hours of support time” (published 2026-04-01)

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