Side by side

Annot8 vs Hypothesis

Both stand on web annotation tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Annot8

Free plan APISelf-hostedWeb

Annot8 combines page-level feedback with live chat, public requests, and analytics. Its Free plan has defined project, seat, thread, storage, and history limits; Pro adds AI triage and third-party integrations.

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Hypothesis

Free plan Open source APIExtensionWeb

Hypothesis brings annotations and discussion into course materials, with both personal use and institutional LMS integrations listed. Check the seat limits and package details when considering an institutional rollout.

Visit Hypothesis

The facts

	Annot8	Hypothesis
Free plan	Yes	Yes
Open source	Not published	Yes
Runs on	API, Self-hosted, Web	API, Extension, Web
Lowest paid plan	Pro: $10 a month	Free or on request
Plans published	4	5
Maker	Not published	Not published
Website	annot8.app	web.hypothes.is
On web annotation tools	#2 of 31	#1 of 31

Annot8: what it does well

Pins feedback comments to page elements.
Threads can include screenshots, recordings, and voice notes.
Free plan includes 2 projects and 50 monthly threads.
AI triage can summarize threads and extract action items.
CSV export and outbound JSON webhooks are listed.

What to know first

Free plan is limited to 50 threads monthly.
Free plan history lasts 14 days.
Third-party integrations and AI triage require Pro or above.
No independent security certification is currently claimed.

Hypothesis: what it does well

Annotations support private highlights, notes, tags and threaded replies.
Supports web pages, PDFs, EPUB files and YouTube videos.
LTI 1.3 integrations include Canvas, Moodle and Sakai.
Free plan includes core annotation and private groups.

What to know first

Bronze package caps seats at 1,000.
Silver package caps seats at 2,000.
Gold package caps seats at 3,000.

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