jo's tech stack
What does jo use?
jo (askjo.ai) uses at least 12 tools we can see from public records, including Fly.io for hosting, Google Workspace for email and documents, PostHog for analytics and Sentry for monitoring. Last checked .
“The personal AI agent that keeps up with your work and life.”
- Industry
- Consumer
- Size
- 1–10 employees
- Based in
- San Francisco, United States
- Founded
- 2023
- Company page
- Tools found
- 12
- Categories
- 10
- Layers
- 5 of 5
- Last checked
- Oct 2026
jo'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
3 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
1 tool, what the product is built with
Data & Observability
3 tools, what they measure and store
Monitoring
Analytics
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
jo tech stack FAQ
What tools does jo use?
As of October 2026, runsonwhat has found 12 tools at jo (askjo.ai) in public records. Edge & Hosting: Cloudflare, Amazon CloudFront and Fly.io. Data & Observability: Sentry, web-vitals and PostHog. Go-to-market: TikTok Pixel. Company Ops: Google Workspace, Resend and Rippling. Last checked October 20, 2026.
What cloud does jo run on?
jo uses Fly.io for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Fly.io through Fly.io code on askjo.ai. Fly.io is used by 4,303 companies runsonwhat tracks.
What email provider does jo use?
jo uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on askjo.ai. Google Workspace is used by 402,269 companies runsonwhat tracks.
What analytics tools does jo use?
jo uses PostHog for analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on askjo.ai. PostHog is used by 9,873 companies runsonwhat tracks.
What does jo use for hiring and HR?
jo uses Rippling for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Rippling through a DNS verification record for Rippling. Rippling is used by 3,193 companies runsonwhat tracks.
What monitoring tools does jo use?
jo uses Sentry for monitoring, alongside web-vitals, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on askjo.ai. Sentry is used by 78,404 companies runsonwhat tracks.
Does jo use Cloudflare?
Yes. runsonwhat found Cloudflare at jo through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 702,124 companies runsonwhat tracks.
How does runsonwhat know what jo uses?
runsonwhat reads public records only. Of the 12 tools at jo, 4 were found through DNS records, 4 through code on askjo.ai, 2 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and askjo.ai about 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.