# What does Expo use?

Expo (expo.dev) shows public evidence of 61 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Infrastructure
- Size: 11–50 employees
- Based in: San Francisco, United States
- Founded: 2013
- LinkedIn: https://www.linkedin.com/company/expo-dev

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code, Subprocessor list |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Subprocessor list |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records, Subprocessor list |  |
| [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code, Subprocessor list |  |
| [Algolia](https://www.runsonwhat.com/reverse/algolia) | Search | Website code |  |
| [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Website code |  |
| [Twilio](https://www.runsonwhat.com/reverse/twilio) | Backend & Database | Subprocessor list |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code, Subprocessor list |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |
| [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code |  |
| [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code, Subprocessor list |  |
| [VWO](https://www.runsonwhat.com/reverse/vwo) | Flags & Experiments | Website code |  |
| [Bugsnag](https://www.runsonwhat.com/reverse/bugsnag) | Monitoring | Website code |  |
| [Optimizely](https://www.runsonwhat.com/reverse/optimizely) | Flags & Experiments | Website code |  |
| [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain, DNS verification records, Website code |  |
| [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code |  |
| [Amplitude](https://www.runsonwhat.com/reverse/amplitude) | Analytics | Website code |  |
| [FullStory](https://www.runsonwhat.com/reverse/fullstory) | Analytics | Website code |  |
| [RudderStack](https://www.runsonwhat.com/reverse/rudderstack) | Analytics | Website code, Subprocessor list |  |
| [Pendo](https://www.runsonwhat.com/reverse/pendo) | Analytics | Website code |  |
| [LogRocket](https://www.runsonwhat.com/reverse/logrocket) | Monitoring | Website code |  |
| [Heap](https://www.runsonwhat.com/reverse/heap) | Analytics | Website code |  |
| [ClickHouse](https://www.runsonwhat.com/reverse/clickhouse) | Data Pipeline | Subprocessor list |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records, Subprocessor list |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code, Subprocessor list |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code, Subprocessor list |  |
| [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Website code |  |
| [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code |  |
| [Criteo](https://www.runsonwhat.com/reverse/criteo) | Ads & Pixels | Website code |  |
| [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification records |  |
| [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Website code |  |
| [Sanity](https://www.runsonwhat.com/reverse/sanity) | Website & CMS | Website code |  |
| [Kit](https://www.runsonwhat.com/reverse/convertkit) | Marketing | Website code |  |
| [Bitly](https://www.runsonwhat.com/reverse/bitly) | Marketing | Custom domain |  |
| [Discourse](https://www.runsonwhat.com/reverse/discourse) | Support & Docs | Subprocessor list |  |
| [Sprout Social](https://www.runsonwhat.com/reverse/sprout) | Marketing | Subprocessor list |  |
| [Pylon](https://www.runsonwhat.com/reverse/pylon) | Support & Docs | Subprocessor list |  |
| [Clay](https://www.runsonwhat.com/reverse/clay) | Sales & CRM | Subprocessor list |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | Subprocessor list |  |
| [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | Subprocessor list |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | Subprocessor list |  |
| [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | Subprocessor list |  |
| [Linear](https://www.runsonwhat.com/reverse/linear) | Dev Tools | Subprocessor list |  |
| [GitHub](https://www.runsonwhat.com/reverse/github) | Dev Tools | Subprocessor list |  |
| [Granola](https://www.runsonwhat.com/reverse/granola) | Collaboration | Subprocessor list |  |

## FAQ

### What tools does Expo use?

As of October 2026, runsonwhat has found 61 tools at Expo (expo.dev) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: jQuery, React and Tailwind CSS. Data & Observability: Microsoft Clarity, Sentry and Hotjar. Go-to-market: Meta Pixel, Microsoft Ads and Mailchimp. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 9, 2026.

### What cloud does Expo run on?

Expo uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on expo.dev's subprocessor list. Amazon Web Services is used by 144,866 companies runsonwhat tracks.

### What CRM does Expo use?

Expo uses HubSpot for its CRM, alongside Clay, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on expo.dev. HubSpot is used by 92,085 companies runsonwhat tracks.

### What email provider does Expo use?

Expo uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,707 companies runsonwhat tracks.

### What does Expo use for customer support?

Expo uses Intercom for customer support and documentation, alongside Discourse and Pylon, according to runsonwhat (October 2026). runsonwhat found Intercom through Intercom code on expo.dev. Intercom is used by 8,370 companies runsonwhat tracks.

### What payment provider does Expo use?

Expo uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on expo.dev. Stripe is used by 26,333 companies runsonwhat tracks.

### Does Expo use jQuery?

Yes. runsonwhat found jQuery at Expo through jQuery code on expo.dev. jQuery is a Frontend tool used by 897,299 companies runsonwhat tracks.

### Does Expo use AI tools?

Yes. runsonwhat has found Anthropic at Expo; Anthropic, for example, through a DNS verification record for Anthropic and its subprocessor list. AI services called only from servers leave no public trace, so Expo may use more AI tools than these.

### Which companies have a tech stack similar to Expo's?

The companies with the stacks most like Expo's are LATO Tec, Hatchet Technologies, Sazabi and Gather, according to runsonwhat (October 2026). Each shares 10 to 16 tools with Expo, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Expo uses?

runsonwhat reads public records only. Of the 61 tools at Expo, 31 were found through code on expo.dev, 14 through its own subprocessor list, 10 through DNS records, 4 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and expo.dev about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/expo.dev (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.