runsonwhat

Costly's tech stack

What does Costly use?

Costly (getcostly.dev) uses at least 6 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, Vercel Analytics for analytics and Resend for email delivery. Last checked .

Re-check liveVisit getcostly.dev
Tools found
6
Categories
6
Layers
4 of 5
Last checked
Oct 2026

Costly'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

DNS

Application

1 tool, what the product is built with

Frontend

Data & Observability

1 tool, what they measure and store

Analytics

Company Ops

2 tools, what the team runs on day to day

Email Delivery

Workspace

Companies like Costly also use

Tools common among companies with a similar stack that we haven't found at Costly.

Companies with a stack like Costly's

Ranked by shared tools, with rare tools counting more.

Costly tech stack FAQ

What tools does Costly use?

We've found 6 tools at Costly (getcostly.dev). Edge & Hosting: GoDaddy and Vercel. Application: Next.js. Data & Observability: Vercel Analytics. Company Ops: Microsoft 365 and Resend. Last checked October 2, 2026.

What cloud does Costly run on?

Costly uses Vercel for hosting. We found Vercel through custom domain, DNS records and website code.

What email provider does Costly use?

Costly uses Microsoft 365 for email and documents. We found Microsoft 365 through email records.

What analytics tools does Costly use?

Costly uses Vercel Analytics for analytics. We found Vercel Analytics through website code.

Does Costly use Microsoft 365?

Yes. We found Microsoft 365 at Costly through email records. Microsoft 365 is used by 620,335 companies we track.

How does runsonwhat know what Costly uses?

We read public traces only: Costly'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.