# What does Sofatutor use? Sofatutor (sofatutor.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-16). - Industry: Internet - Size: 201–1,000 employees - Based in: Berlin Friedrichshain, Germany - Founded: 2008 - LinkedIn: https://www.linkedin.com/company/sofatutor-gmbh ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [URIports](https://www.runsonwhat.com/reverse/uriports) | Security & Compliance | Email records | | | [Recruitee](https://www.runsonwhat.com/reverse/recruitee) | People & HR | Custom domain | | ## Hiring at Sofatutor 4 open roles on its public job board: Marketing 2, Other 2. ## FAQ ### What tools does Sofatutor use? As of October 2026, runsonwhat has found 14 tools at Sofatutor (sofatutor.com) in public records. Edge & Hosting: Amazon Route 53 and Google Cloud. Application: Anthropic and Stripe. Company Ops: Google Workspace, SendGrid and Apple Business. Last checked October 16, 2026. ### What cloud does Sofatutor run on? Sofatutor uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 75,103 companies runsonwhat tracks. ### What email provider does Sofatutor use? Sofatutor uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 397,574 companies runsonwhat tracks. ### What payment provider does Sofatutor use? Sofatutor uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 26,354 companies runsonwhat tracks. ### What does Sofatutor use for hiring and HR? Sofatutor uses Recruitee for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Recruitee through a subdomain that points at Recruitee. Recruitee is used by 840 companies runsonwhat tracks. ### Does Sofatutor use SendGrid? Yes. runsonwhat found SendGrid at Sofatutor through a subdomain that points at SendGrid and email records. SendGrid is a Email Delivery tool used by 191,092 companies runsonwhat tracks. ### Does Sofatutor use AI tools? Yes. runsonwhat has found Anthropic at Sofatutor; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Sofatutor may use more AI tools than these. ### Is Sofatutor hiring? Yes. As of October 2026, Sofatutor has 4 open roles on its public Recruitee job board, most in marketing (2). 2 were posted in the last 30 days and 1 were taken down. ### Which companies have a tech stack similar to Sofatutor's? The companies with the stacks most like Sofatutor's are PAG, Franz Ziel, Tony’s Chocolonely Global and die Bayerische, according to runsonwhat (October 2026). Each shares 2 to 5 tools with Sofatutor, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Sofatutor uses? runsonwhat reads public records only. Of the 14 tools at Sofatutor, 8 were found through DNS records, 3 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 sofatutor.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/sofatutor.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.