🆚 Hypothesis vs. PageProofer
- 📈 Hypothesis is slightly more popular than PageProofer.
- 🌍 Hypothesis is more popular in Vietnam, the United Kingdom, and the Philippines.
- 🌎 PageProofer is more popular in the United States, Japan, and the Netherlands.
Type
About
Hypothesis is an open-source social annotation tool widely used in education that allows users to highlight, comment on, and annotate web pages, PDFs, and other digital content collaboratively.
It supports threaded discussions, public and private groups, tagging and replies, instructor moderation, and deep integration with learning management systems such as Canvas, Blackboard, Moodle, and
D2L Brightspace to embed annotation activities into courses and assignments.
PageProofer is a visual annotation and website feedback tool that lets users leave notes, drawings, screenshots, and screen recordings pinned to specific web page elements to communicate design issues and bugs.
It captures contextual metadata such as browser, OS, and screen size, supports file attachments and comments, offers a centralized dashboard for tracking and assigning feedback, and integrates with project management tools like Trello, 
Jira, and 
Slack.
Headquarters
Pricing
(5 users)$39/month
(20 users)$89/month
(unlimited users)$199/month
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- ⭐ 5th most popular in Vietnam in the Feedback category.
- ⬆️ 46th most popular in the United Kingdom in the Feedback category.
- ⬆️ 49th most popular in the United States in the Feedback category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Userback🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,375,483 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.