# What does Citizen use? Citizen (citizen.com) shows public evidence of 27 tools, according to runsonwhat (last checked 2026-11-03). - Industry: Internet - Size: 51–200 employees - Based in: New York, United States - Founded: 2017 - LinkedIn: https://www.linkedin.com/company/citizen.com ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | DNS records, Website code | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Custom domain | 2022-06 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code | | | [MongoDB Atlas](https://www.runsonwhat.com/reverse/mongodb) | Backend & Database | DNS verification records | | ## 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 | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | DNS verification records, Website code | | | [GrowthBook](https://www.runsonwhat.com/reverse/growthbook) | Flags & Experiments | Website code | | ## 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 | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Custom domain, Website code | 2017-10 | | [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code | | | [RB2B](https://www.runsonwhat.com/reverse/rb2b) | Sales & CRM | Website code | | | [Branch](https://www.runsonwhat.com/reverse/branch) | Marketing | Custom domain, Website code | 2017-04 | | [Prismic](https://www.runsonwhat.com/reverse/prismic) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Have I Been Pwned](https://www.runsonwhat.com/reverse/hibp) | Security & Compliance | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [DMARC Digests](https://www.runsonwhat.com/reverse/dmarcdigests) | Security & Compliance | Email records | | | [Bitrise](https://www.runsonwhat.com/reverse/bitrise) | Dev Tools | DNS verification records | | ## Recent changes at Citizen - 2026-11-03: stopped using [Firebase](https://www.runsonwhat.com/reverse/firebase) - 2026-10-19: started using [Google Ads](https://www.runsonwhat.com/reverse/google-ads) - 2026-10-19: started using [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) - 2026-10-19: started using [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) ## Hiring at Citizen 8 open roles on its public job board: Data & AI 3, Engineering 2, Finance & Legal 1, Other 1, Sales 1. ## FAQ ### What tools does Citizen use? As of November 2026, runsonwhat has found 27 tools at Citizen (citizen.com) in public records. Edge & Hosting: Amazon Web Services, Google Cloud and Fastly. Application: React, Next.js and Stripe. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Meta Pixel and TikTok Pixel. Company Ops: Google Workspace, Apple Business and Have I Been Pwned. Last checked November 3, 2026. ### What cloud does Citizen run on? Citizen uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on citizen.com. Amazon Web Services is used by 147,206 companies runsonwhat tracks. ### What sales tools does Citizen use? The sales tools runsonwhat has found at Citizen are RB2B (November 2026); no CRM shows up in Citizen's public records. runsonwhat found RB2B through RB2B code on citizen.com. RB2B is used by 3,174 companies runsonwhat tracks. ### What email provider does Citizen use? Citizen uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on citizen.com. Google Workspace is used by 416,648 companies runsonwhat tracks. ### What does Citizen use for customer support? Citizen uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and a subdomain, and Citizen has used it since at least October 2017. Zendesk is used by 43,339 companies runsonwhat tracks. ### What payment provider does Citizen use? Citizen uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on citizen.com. Stripe is used by 31,211 companies runsonwhat tracks. ### How long has Citizen used Branch? Citizen has used Branch since at least April 2017, going by the first public certificate of the citizen.com subdomain that points at Branch. Other long-running tools at Citizen include Zendesk (since October 2017) and Fastly (since June 2022). ### Does Citizen use Google Ads? Yes. runsonwhat found Google Ads at Citizen through Google Ads code on citizen.com. Google Ads is a Ads & Pixels tool used by 541,080 companies runsonwhat tracks. ### Is Citizen hiring? Yes. As of November 2026, Citizen has 8 open roles on its public Ashby job board, most in data & AI (3), engineering (2) and finance & legal (1). 3 were posted in the last 30 days and 2 were taken down. ### Has Citizen changed tools recently? Yes. On runsonwhat's rechecks, Citizen started using Google Ads, Google Tag Manager and TikTok Pixel (latest on October 19, 2026) and stopped using Firebase (latest on November 3, 2026). A change counts only between two checks of citizen.com done the same way. ### Which companies have a tech stack similar to Citizen's? The companies with the stacks most like Citizen's are Olx Praca, Swiftly, Fundrise and GO株式会社, according to runsonwhat (November 2026). Each shares 9 to 13 tools with Citizen, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Citizen uses? runsonwhat reads public records only. Of the 27 tools at Citizen, 13 were found through code on citizen.com, 9 through DNS records, 3 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 citizen.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/citizen.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.