# What does Eargo use? Eargo (eargo.com) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-11-12). - Industry: Medical Devices - Size: 201–1,000 employees - Based in: San Jose, United States - Founded: 2010 - LinkedIn: https://www.linkedin.com/company/eargo ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain | 2017-10 | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain, Website config | 2023-09 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Salesforce Marketing Cloud](https://www.runsonwhat.com/reverse/sfmc) | Marketing | DNS verification records, Email records | | ## 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 | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records, Email records | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [UserWay](https://www.runsonwhat.com/reverse/userway) | Security & Compliance | Website code | | | [Check Point Harmony Email](https://www.runsonwhat.com/reverse/avanan) | Security & Compliance | Email records | | | [TrustArc](https://www.runsonwhat.com/reverse/trustarc) | Security & Compliance | Website code | | ## Recent changes at Eargo - 2026-11-05: started using again [Adobe](https://www.runsonwhat.com/reverse/adobe) - 2026-11-05: started using again [Apple Business](https://www.runsonwhat.com/reverse/apple) - 2026-11-05: started using again [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-11-05: started using again [Check Point Harmony Email](https://www.runsonwhat.com/reverse/avanan) - 2026-11-05: started using again [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-11-05: started using again [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) - 2026-11-05: started using again [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-11-05: started using again [Salesforce Marketing Cloud](https://www.runsonwhat.com/reverse/sfmc) - 2026-10-31: stopped using [Salesforce Marketing Cloud](https://www.runsonwhat.com/reverse/sfmc) - 2026-10-31: stopped using [Adobe](https://www.runsonwhat.com/reverse/adobe) - 2026-10-31: stopped using [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-10-31: stopped using [Apple Business](https://www.runsonwhat.com/reverse/apple) ## FAQ ### What tools does Eargo use? As of November 2026, runsonwhat has found 24 tools at Eargo (eargo.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Google Fonts, React and Adobe Fonts. Go-to-market: Mailchimp, Salesforce and Salesforce Marketing Cloud. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 12, 2026. ### What cloud does Eargo run on? Eargo uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on eargo.com. Amazon Web Services is used by 147,633 companies runsonwhat tracks. ### What CRM does Eargo use? Eargo uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on eargo.com. Salesforce is used by 35,536 companies runsonwhat tracks. ### What email provider does Eargo use? Eargo uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 736,661 companies runsonwhat tracks. ### What marketing software does Eargo use? Eargo uses Mailchimp for marketing, alongside Salesforce Marketing Cloud, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 119,261 companies runsonwhat tracks. ### What does Eargo use for login and identity? Eargo uses Auth0 for sign-in and identity, according to runsonwhat (November 2026). runsonwhat found Auth0 through a subdomain that points at Auth0 and configuration files, and Eargo has used it since at least September 2023. Auth0 is used by 6,153 companies runsonwhat tracks. ### How long has Eargo used Cloudflare? Eargo has used Cloudflare since at least October 2017, going by the first public certificate of the eargo.com subdomain that points at Cloudflare. Other long-running tools at Eargo include Auth0 (since September 2023). ### Does Eargo use Google Fonts? Yes. runsonwhat found Google Fonts at Eargo through Google Fonts code on eargo.com. Google Fonts is a Media & UI tool used by 825,720 companies runsonwhat tracks. ### Has Eargo changed tools recently? Yes. On runsonwhat's rechecks, Eargo started using Adobe, Apple Business and Atlassian (latest on November 5, 2026) and stopped using Salesforce Marketing Cloud, Adobe and Google Search Console (latest on October 31, 2026). A change counts only between two checks of eargo.com done the same way. ### Which companies have a tech stack similar to Eargo's? The companies with the stacks most like Eargo's are Pulse Jobs, PRS for Music, NETSCOUT and Tombstone Harley-Davidson, according to runsonwhat (November 2026). Each shares 1 to 6 tools with Eargo, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Eargo uses? runsonwhat reads public records only. Of the 24 tools at Eargo, 8 were found through DNS records, 8 through code on eargo.com, 5 through email records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and eargo.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/eargo.com (updated November 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.