300+
Institutions using it
Per vendor tagline
Report
Hypothesis is the leading social annotation platform trusted by 300+ institutions to boost student engagement, comprehension, and critical thinking — seamlessly integrated into your LMS.
Depends
DependsBuy if you run LMS-based courses and want social annotation across reading-heavy classes — 300+ institutions already do.
Buy for LMS-based college courses; quote-only pricing makes it wrong for individuals and businesses.
300+
Institutions using it
Per vendor tagline
$1.9M
Last disclosed funding
2016 announcement
None
Public pricing
Quote-only sales
Yes
Open-source client
GitHub: hypothesis/client
Quote-only pricing, no public rates
LMS integration, web/PDF annotation, open client
Dedicated security page; no public vulnerabilities found
Not disclosed
No known public vulnerabilities found in the sources reviewed.
No usable independent product reviews surfaced — review searches were dominated by unrelated content about scientific hypotheses.
Compare Hypothesis with each alternative.
Social annotation built for coursework; strong LMS-grade alternative.
Hypothesis vs PerusallFree collaborative commenting if readings can live in Docs.
Free PDF annotation plus reference management for researchers.
Hypothesis vs ZoteroYour LMS may already include graded document markup.
Based on 10 public sources. Most review-search results were unrelated keyword noise about scientific hypotheses, so user sentiment and review ratings are thin.
Anonymous. You can change your vote.
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