# What does iRhythm (United States) use? iRhythm (United States) (irhythmtech.com) shows public evidence of 43 tools, according to runsonwhat (last checked 2026-10-20). - Based in: United States - Founded: 2006 - LinkedIn: https://www.linkedin.com/company/484413 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [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 | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Three.js](https://www.runsonwhat.com/reverse/threejs) | Media & UI | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [Adobe Experience Platform Tags](https://www.runsonwhat.com/reverse/adobe-launch) | Data Pipeline | Website code | | | [Pendo](https://www.runsonwhat.com/reverse/pendo) | Analytics | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [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 | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code | 2017-10 | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2017-10 | | [The Trade Desk](https://www.runsonwhat.com/reverse/tradedesk) | Ads & Pixels | Website code | | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | | [Freshdesk](https://www.runsonwhat.com/reverse/freshdesk) | Support & Docs | Email records | | | [Adobe Experience Manager](https://www.runsonwhat.com/reverse/adobe-aem) | Website & CMS | Custom domain, Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Custom domain, DNS verification records | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records, Website code | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records | | | [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records | | | [Foxit](https://www.runsonwhat.com/reverse/foxit) | Collaboration | DNS verification records | | | [Greenhouse](https://www.runsonwhat.com/reverse/greenhouse) | People & HR | Website code | | | [Lovable](https://www.runsonwhat.com/reverse/lovable) | Dev Tools | DNS verification records | | | [Virtru](https://www.runsonwhat.com/reverse/virtru) | Security & Compliance | DNS verification records | | ## FAQ ### What tools does iRhythm (United States) use? As of October 2026, runsonwhat has found 43 tools at iRhythm (United States) (irhythmtech.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Vimeo and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 20, 2026. ### What cloud does iRhythm (United States) run on? iRhythm (United States) uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on irhythmtech.com. Amazon Web Services is used by 145,137 companies runsonwhat tracks. ### What CRM does iRhythm (United States) use? iRhythm (United States) uses HubSpot for its CRM, alongside Salesforce and ZoomInfo, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records, and iRhythm (United States) has used it since at least October 2017. HubSpot is used by 92,748 companies runsonwhat tracks. ### What email provider does iRhythm (United States) use? iRhythm (United States) uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a subdomain that points at Microsoft 365 and a DNS verification record. Microsoft 365 is used by 705,118 companies runsonwhat tracks. ### What does iRhythm (United States) use for customer support? iRhythm (United States) uses Freshdesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Freshdesk through email records that authorize Freshdesk. Freshdesk is used by 12,270 companies runsonwhat tracks. ### What analytics tools does iRhythm (United States) use? iRhythm (United States) uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on irhythmtech.com. Google Analytics is used by 860,552 companies runsonwhat tracks. ### How long has iRhythm (United States) used HubSpot? iRhythm (United States) has used HubSpot since at least October 2017, going by the first public certificate of the irhythmtech.com subdomain that points at HubSpot. Other long-running tools at iRhythm (United States) include HubSpot CMS (since October 2017). ### Does iRhythm (United States) use jQuery? Yes. runsonwhat found jQuery at iRhythm (United States) through jQuery code on irhythmtech.com. jQuery is a Frontend tool used by 903,223 companies runsonwhat tracks. ### Does iRhythm (United States) use AI tools? Yes. runsonwhat has found OpenAI at iRhythm (United States); OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so iRhythm (United States) may use more AI tools than these. ### Which companies have a tech stack similar to iRhythm (United States)'s? The companies with the stacks most like iRhythm (United States)'s are Hc3, Success Academy, OpenLoop Health and Therap Services LLC., according to runsonwhat (October 2026). Each shares 13 to 25 tools with iRhythm (United States), and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what iRhythm (United States) uses? runsonwhat reads public records only. Of the 43 tools at iRhythm (United States), 18 were found through code on irhythmtech.com, 16 through DNS records, 5 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and irhythmtech.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/irhythmtech.com (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.