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Hypothesis

Plans and prices

Free

Free

Core annotation · Private groups · Self-service support

Bronze

Priced on request

Core annotation · LMS integration · Up to 1,000 user seats · Partner workshops

Gold

Priced on request

Silver features · Up to 3,000 seats · Unlimited training · Dedicated customer success manager

Silver

Priced on request

Core annotation · LMS integration · Up to 2,000 user seats · Advanced analytics

Custom solution

Priced on request

Custom solution; page does not specify features or price

Every plan, in full

On the record

Additional integrations
Hypothesis says its annotations sync with LMS gradebooks, including Canvas SpeedGrader.web.hypothes.is · read 30 Sep 2026
Analytics
The LMS reporting dashboard provides annotation counts and engagement information across assignments and courses.web.hypothes.is · read 15 Oct 2026
Annotation features
Users can create annotations, private highlights, page notes, and threaded replies, and add tags to annotations.web.hypothes.is · read 30 Sep 2026
Annotation types
The service supports highlights, anchored annotations, page notes, threaded replies, tags and private, public or group visibility.web.hypothes.is · read 15 Oct 2026
API
The public API supports authentication plus creating, updating, deleting, searching and moderating annotations and managing users and groups.web.hypothes.is · read 15 Oct 2026
Auto-grading
The paid package descriptions include automatic grading based on student annotation activity and LMS gradebook synchronization.web.hypothes.is · read 15 Oct 2026
Browser access
The free web app can be used with a Chrome extension on Chrome and other Chromium browsers, or a bookmarklet in Firefox and Safari.web.hypothes.is · read 30 Sep 2026
Chrome distribution
The Chrome Web Store listing reports approximately 300,000 users and identifies Annotation Unlimited PBC as publisher.chromewebstore.google.com · read 15 Oct 2026
Company
The site footer identifies the company as Annotation Unlimited, PBC, and the About page says the project was founded as an open-source project in 2011.web.hypothes.is · read 30 Sep 2026
Company location and founding
LinkedIn lists headquarters in San Francisco, California and a 2011 founding year.linkedin.com · read 15 Oct 2026
Company scale
LinkedIn lists Hypothesis as a privately held education company with 11–50 employees.linkedin.com · read 15 Oct 2026
Compliance
Hypothesis says it has completed a Cloud Security Alliance CAIQ assessment and documents SOC compliance, and it provides a HECVAT response for higher education customers.web.hypothes.is · read 30 Sep 2026
Developer authentication
Users can create an API token at the developer account page, while OAuth authorization and token endpoints support integrated clients.web.hypothes.is · read 15 Oct 2026
Developer repositories
Hypothesis publishes public repositories for the annotation service, client, browser extension, PDF viewer, proxy, LMS app and WordPress plugin.github.com · read 15 Oct 2026
Documentation depth
The help center lists 37 annotation articles, 47 public-web articles and 124 LMS articles, plus installation and troubleshooting guides.web.hypothes.is · read 15 Oct 2026
Education focus
Hypothesis describes its institutional audience as colleges and universities, faculty and instructors, and students.web.hypothes.is · read 30 Sep 2026
Free personal use
Hypothesis says a free account is available for personal use and collaboration.web.hypothes.is · read 30 Sep 2026
Gradebook workflow
Canvas users can access student annotations through SpeedGrader, and the LMS app can synchronize annotation grades.oit.colorado.edu · read 15 Oct 2026

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