# Stilla vs Zapier: who uses which

On usedby, 6 companies use Stilla and 55 use Zapier. 1 company uses both, including Synthesia. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-10-12: 61 of 61 public lines checked.

## Side by side

|  | [Stilla](https://www.usedby.ai/tools/stilla.md) | [Zapier](https://www.usedby.ai/tools/zapier.md) |
|---|---|---|
| Public customers | 6 | 55 |
| Confirmed | 0 | 39 |
| Observed | 6 | 14 |
| Signals (job posts) | 0 | 2 |
| Top industries of customers (every proof level) | Fintech & Payments (1), HealthTech & Digital Health (1), Legal & Compliance (1) | DevTools & Infrastructure (7), Marketing Tech (7), Retail (4) |
| Category | Workflow automation & AI agents | Workflow automation & AI agents |
| Security | SOC 2 Type II ([trust.stilla.ai](https://trust.stilla.ai/), checked 2026-10-08) | SOC 2 Type II ([zapier.com](https://zapier.com/security-compliance), checked 2026-10-04) |
| Your data | Not used to train models by default. ([stilla.ai](https://stilla.ai/security), checked 2026-10-08) | — |
| Integrations | Slack, Microsoft Teams, GitHub, Google Calendar, Outlook Calendar, Zoom, Linear, Google Drive, SharePoint, OneDrive, Gmail, Notion ([stilla.ai](https://stilla.ai/integrations/microsoft-teams), checked 2026-10-08) | Google Sheets, Gmail, Slack, Google Calendar, Google Drive, HubSpot, Facebook Lead Ads, Google Forms, Notion, Mailchimp, Stripe, Salesforce ([zapier.com](https://zapier.com/apps), checked 2026-10-04) |
| Data processing terms | — | A data processing agreement is available. ([zapier.com](https://zapier.com/legal/data-processing-addendum), checked 2026-10-04) |
| Free trial | — | Free trial or free plan available. ([zapier.com](https://zapier.com/pricing), checked 2026-10-04) |
| Pricing | — | Free: $0 /month; Professional: $19.99 /month; Team: $69 /month; Enterprise: contact sales ([zapier.com](https://zapier.com/pricing), 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, Stilla | Proof, Zapier | First public proof, Stilla | First public proof, Zapier |
|---|---|---|---|---|
| [Synthesia](https://www.usedby.ai/companies/synthesia.md) | Observed | Confirmed | On or before January 2026 | On or before April 2025 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Zapier: [ActiveCampaign](https://www.usedby.ai/case-studies/activecampaign-zapier.md): **440%**: “attendance has increased 440% per month” (captured by usedby 2026-10-08)
- Zapier: [Calendly](https://www.usedby.ai/case-studies/calendly-zapier.md): **10+ hours**: “Collectively, Zapier saves us 10+ hours every week.” (captured by usedby 2026-10-08)

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