The use case: how Grantable deploys PostHog
Grantable, an AI grant-writing platform, uses PostHog for product analytics, session replay, feature flags, error tracking and surveys. It now also uses PostHog Workflows to send onboarding emails and Slack alerts based on product data, replacing Customer.io and Zapier-style automations.
More reported results
Figures published in PostHog’s case study. They are not independently measured by usedby.
PostHog is about 1/100th of the cost compared to other tools
In the customer’s words
Even in alpha, Workflows has been at least one-tenth of the time it would’ve taken us to build something we’d actually put in production in Zapier.Other companies using PostHog
Customers across industries, with public evidence.
11XConfirmed
Arena (LMArena)ConfirmedCloudPeekConfirmed
CounterPressConfirmed
ElevenLabsConfirmed
ExaConfirmedGo straight to the source
Based on PostHog’s published case study. We check the public evidence; the results are reported by the vendor.
posthog.com- Last checked
- Nov 12, 2026
Open source capture What the story claims, and what we checked
What we compared with the page.
- The figure: 10 minutesChecked
Printed word for word on the page, near the name of Grantable.
- The passage quoted aboveChecked
Copied word for word from the page, near the name of Grantable.
- Grantable uses PostHogChecked
Confirmed line.
- The result itselfNot checked
We quote it; we did not measure it.
That workflow is live in production today and it took Evan only 10 minutes to set it up.