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Technologies / Mathpix / PostHog

Companies using Mathpix and PostHog

3 companies in our data have public evidence for both Mathpix and PostHog, and 2 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

3companies use both
60%of Mathpix users
under 1%of PostHog users
2name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyMathpixPostHog
Frizzlefrizzle.comFrizzle reads handwritten student work from paper and turns it into data on misconceptions and student progress.AI and machine learningEducation
Solve Intelligencesolveintelligence.comSolve Intelligence provides AI software for patent application drafting, prosecution, claim charting, patent litigation, and portfolio management and analysis.AI and machine learningLegal
Scraiberscraiber.comScraiber is a writing workspace for drafting, citing, and revising scientific papers, with autocompletion, shared documents, and journal-aware revision suggestions.

The two technologies

Mathpix is a document conversion technology that converts PDFs and images to searchable, exportable, and machine readable text. It is used for OCR with deep STEM functionality, including math, chemistry, handwriting, tables, foreign languages, and full PDF document conversion.

Summarized from mathpix.com on 9 Nov 2026.

60% of the 5 companies we see using Mathpix also show the other.

All 5 companies using Mathpix

PostHog

Analytics

PostHog is a platform that ingests and stores product analytics, errors, session replays, and business data so teams and their AI agents can query and act on it. It is used to answer product questions, investigate issues across tools, and give agents product context.

Summarized from posthog.com on 8 Nov 2026.

under 1% of the 1,780 companies we see using PostHog also show the other.

All 1,780 companies using PostHog1,126 name it as a subprocessorMore in Analytics

Other pairs

Companies with their own evidence for both.

More with Mathpix

Cloudflare5companies

More with PostHog

Cloudflare1,772companiesGoogle Workspace1,394companiesStripe993companiesNext.js851companiesAmazon Web Services827companiesVercel820companies

Questions

How many companies use both Mathpix and PostHog?

3 companies in StrataDB's data have public evidence for both, and 2 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Mathpix and PostHog?

Frizzle, Solve Intelligence and Scraiber. Each one links to the evidence behind it.

How does StrataDB know a company uses Mathpix and PostHog?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Mathpix and PostHog

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
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