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Head-to-head · AI Summarizers

Sidenote vs Apogee

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Sidenote #4 in AI Summarizers 7.9/10 Free plan · 7-day trial Free planFree trial✓ 3 of 3 features Visit Sidenote
Apogee #8 in AI Summarizers 7.9/10 Free plan Free plan✓ 3 of 3 features Visit Apogee

Sidenote leads on 0 checks, Apogee on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planboth
  • Free trialonly Sidenote

Sidenote and Apogee score identically on our rubric (7.9 out of 10) for ai summarizers; Sidenote sits at #4 and Apogee at #8 in our editorial ranking, so the choice comes down to fit.

On export formats, Sidenote gives you Markdown where Apogee offers Txt.

Sidenote is the better fit for teams needing cited summaries and integrations. Apogee is the better fit for privacy-focused users needing broad summarization.

  • Sidenote fits best

    Teams needing cited summaries and integrations

  • Apogee fits best

    Privacy-focused users needing broad summarization

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Sidenote 7.9/10 Visit ↗ Apogee 7.9/10 Visit ↗
At a glance
Editor score 7.9 7.9
Ranking #4 in AI Summarizers #8 in AI Summarizers
Best for Teams needing cited summaries and integrations Privacy-focused users needing broad summarization
Pricing model Free plan + paid Free
Starting price £96/yr Free plan
Free plan ✓ ✓
Free trial 7 days —
Deployment Cloud, Browser extension Browser extension
Platforms Web, Chrome extension Chrome extension
Support Email, Docs Email, Docs
Integrations 9 integrations 2 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features Sidenote 3/3 · Apogee 3/3
Document upload ✓ ✓
Webpage summaries ✓ ✓
Transcript summaries ✓ ✓
Specs
Input limit Not checked yet Not checked yet
Summary length control Short Not checked yet
Export formats Markdown Txt
Our review
Pros
  • Clickable citations connect summaries to source passages.
  • Supports PDFs, Office files, webpages and connected documents.
  • Integrates with Confluence, Notion, SharePoint, Slack and more.
  • Summarizes webpages, videos, documents, emails, and pasted text
  • Supports local Ollama and llama.cpp models
  • Offers source highlights, multiple formats, translation, and retrieval Q&A
Cons
  • Free plan limits monthly documents, summaries, explanations and chat turns.
  • OCR and Word and PowerPoint support begin on the Pro plan.
  • Shared collections and SAML SSO require a Team plan.
  • Delivered as a browser extension rather than a standalone application
  • Video summaries rely on available transcripts
  • Local server connections require Ollama or llama.cpp
Our verdict

Sidenote is an AI reading assistant and document summarizer available through a Chrome extension and web dashboard. It is designed for students, researchers, analysts, legal teams, consultants and organizations working with internal…

Read the review →

Apogee is an open-source browser extension for summarizing webpages, articles, documentation, discussion threads, emails, transcripts, videos, documents, and pasted text. It is designed for privacy-focused users who want broad…

Read the review →
  1. SidenoteAI Summarizers 7.9Free plan · 7-day trial
  2. ApogeeAI Summarizers 7.9Free plan

Strengths and trade-offs

  • Sidenote — where it wins

    • Clickable citations connect summaries to source passages.
    • Supports PDFs, Office files, webpages and connected documents.
    • Integrates with Confluence, Notion, SharePoint, Slack and more.

    Where it doesn't

    • Free plan limits monthly documents, summaries, explanations and chat turns.
    • OCR and Word and PowerPoint support begin on the Pro plan.
    • Shared collections and SAML SSO require a Team plan.

  • Apogee — where it wins

    • Summarizes webpages, videos, documents, emails, and pasted text
    • Supports local Ollama and llama.cpp models
    • Offers source highlights, multiple formats, translation, and retrieval Q&A

    Where it doesn't

    • Delivered as a browser extension rather than a standalone application
    • Video summaries rely on available transcripts
    • Local server connections require Ollama or llama.cpp
  • Sidenote7.9/10 · Free plan · 7-day trial

    Cited document summaries, chat, OCR and integrations for research-heavy teams.

    Visit SidenoteFull verdict →
  • Apogee7.9/10 · Free plan

    A privacy-focused, open-source summarizer with broad input support and local AI options.

    Visit ApogeeFull verdict →

More comparisons

All AI summarizers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update