Quo (formerly OpenPhone)'s tech stack
What does Quo (formerly OpenPhone) use?
Quo (formerly OpenPhone) (quo.com) uses at least 45 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .
“Quo brings your calls, texts, and contacts together in one AI-powered shared space. Keep your team aligned, respond faster, and ensure every customer feels valued.”
- Industry
- Operations
- Size
- 51–200 employees
- Based in
- San Francisco, United States
- Founded
- 2018
- Company page
- Tools found
- 45
- Categories
- 18
- Layers
- 5 of 5
- Last checked
- Oct 2026
Quo (formerly OpenPhone)'s stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
6 tools, what the product is built with
Data & Observability
8 tools, what they measure and store
Go-to-market
16 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
13 tools, what the team runs on day to day
Email Delivery
Collaboration
Dev Tools
People & HR
Quo (formerly OpenPhone) tech stack FAQ
What tools does Quo (formerly OpenPhone) use?
We've found 45 tools at Quo (formerly OpenPhone) (quo.com). Edge & Hosting: Cloudflare and Vercel. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, SendGrid and Apple Business. Last checked October 2, 2026.
What cloud does Quo (formerly OpenPhone) run on?
Quo (formerly OpenPhone) uses Vercel for hosting. We found Vercel through DNS verification records.
What CRM does Quo (formerly OpenPhone) use?
Quo (formerly OpenPhone) uses HubSpot and Unify for sales and CRM. We found HubSpot through website code.
What email provider does Quo (formerly OpenPhone) use?
Quo (formerly OpenPhone) uses Google Workspace and Apple Business for email and documents. We found Google Workspace through email records and website code.
What does Quo (formerly OpenPhone) use for customer support?
Quo (formerly OpenPhone) uses Zendesk for customer support. We found Zendesk through email records and website code.
What analytics tools does Quo (formerly OpenPhone) use?
Quo (formerly OpenPhone) uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics, among 7 tools in this category. We found Google Analytics through website code.
Does Quo (formerly OpenPhone) use Cloudflare?
Yes. We found Cloudflare at Quo (formerly OpenPhone) through DNS records, email records and website code. Cloudflare is used by 307,584 companies we track.
How does runsonwhat know what Quo (formerly OpenPhone) uses?
We read public traces only: Quo (formerly OpenPhone)'s DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.