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Keenious alternatives · AI Research

Keenious alternatives with a Windows app

The Keenious listing does not include a Windows app. 4 of the 69 other AI research tools in this directory list a Windows app.

Keenious has a free plan. Paid plans start at $10 per month, billed annually ($20 billed monthly). All of them are free or have a free plan.

4 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from Keenious

  1. Zotero

    Free, open-source reference manager from a nonprofit

    • Zotero starts at $20 per year for 2 GB of file storage. Keenious starts at $10 per month, billed annually ($20 billed monthly).
    • Only Zotero lists macOS, Windows, Linux, iOS and Android apps.
    • Only Keenious lists a web app.
    • Zotero is open source, according to its own site.
  2. ChatPDF

    Ask questions about PDFs and get answers with citations

    • ChatPDF starts at $89.99 per year or $14.99 per month (US App Store in-app purchase). Keenious starts at $10 per month, billed annually ($20 billed monthly).
    • Only ChatPDF lists macOS, Windows, iOS and Android apps.
  3. Otio

    AI research workspace for chatting across many sources

    • Otio starts at $7 per month (Lite), billed monthly or $84 per year. Keenious starts at $10 per month, billed annually ($20 billed monthly).
    • Only Otio lists macOS, Windows, Linux and iOS apps.
    • Only Otio lists a browser extension.
    • Otio also covers notes and AI agents.
  4. Liner

    AI search with cited answers, research agents and a writer

    • Liner starts at $14.99 per month, billed annually ($17.99 billed monthly). Keenious starts at $10 per month, billed annually ($20 billed monthly).
    • Only Liner lists macOS, Windows, iOS and Android apps.
    • Only Liner lists a browser extension.
    • Liner also covers AI agents, long-form writing and highlights.

Common questions

Which Keenious alternatives have a Windows app?

Zotero, ChatPDF, Otio and Liner list a Windows app.

Does Keenious have a Windows app?

The Keenious listing does not include a Windows app. It lists Web.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Keenious: the alternatives its listing names first, then the tools that share the most features with it.