runsonwhat

Harlo's tech stack

What does Harlo use?

Harlo (harlo.app) uses at least 17 tools we can see from public records, including Calendly for sales, Stripe for payments, Storylane for marketing and Sentry for monitoring. Last checked .

Re-check liveVisit harlo.app
Tools found
17
Categories
10
Layers
5 of 5
Changes seen
2

Harlo's stack, layer by layer

Of 17 tools, 13 came from website code, 1 from DNS verification records, 1 from DNS records and 2 from other records. 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

CDN & Edge

DNS

Application

9 tools, what the product is built with

Backend & Database

Payments & Billing

Media & UI

Data & Observability

2 tools, what they measure and store

Monitoring

Analytics

Go-to-market

3 tools, how they find and keep customers

Marketing

Sales & CRM

Company Ops

1 tool, what the team runs on day to day

Email Delivery

What changed at Harlo

Recent starts and stops

  1. StoppedMicrosoft 365
  2. StoppedRender

Companies like Harlo also use

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

Companies with a stack like Harlo's

Ranked by shared tools, with rare tools counting more.

Harlo tech stack FAQ

What tools does Harlo use?

As of November 2026, runsonwhat has found 17 tools at Harlo (harlo.app) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: Google Fonts, Font Awesome and Vimeo. Data & Observability: Google Analytics and Sentry. Go-to-market: Calendly and Storylane. Company Ops: SendGrid. Last checked November 2, 2026.

What sales tools does Harlo use?

The sales tools runsonwhat has found at Harlo are Calendly (November 2026); no CRM shows up in Harlo's public records. runsonwhat found Calendly through Calendly code on harlo.app. Calendly is used by 31,442 companies runsonwhat tracks.

What payment provider does Harlo use?

Harlo uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through Stripe code on harlo.app. Stripe is used by 31,126 companies runsonwhat tracks.

What analytics tools does Harlo use?

Harlo uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on harlo.app. Google Analytics is used by 905,965 companies runsonwhat tracks.

What marketing software does Harlo use?

Harlo uses Storylane for marketing, according to runsonwhat (November 2026). runsonwhat found Storylane through Storylane code on harlo.app. Storylane is used by 772 companies runsonwhat tracks.

What monitoring tools does Harlo use?

Harlo uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on harlo.app. Sentry is used by 80,076 companies runsonwhat tracks.

Does Harlo use Google Fonts?

Yes. runsonwhat found Google Fonts at Harlo through Google Fonts code on harlo.app. Google Fonts is a Media & UI tool used by 825,951 companies runsonwhat tracks.

Has Harlo changed tools recently?

Yes. On runsonwhat's rechecks, Harlo stopped using Microsoft 365 and Render (latest on November 2, 2026). A change counts only between two checks of harlo.app done the same way.

Which companies have a tech stack similar to Harlo's?

The companies with the stacks most like Harlo's are Quorum Analytics, Maximizer CRM, Opal Security and Lively, according to runsonwhat (November 2026). Each shares 8 to 9 tools with Harlo, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Harlo uses?

runsonwhat reads public records only. Of the 17 tools at Harlo, 13 were found through code on harlo.app, 2 through DNS records, 1 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and harlo.app 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.