Skip to content

ChatDOC alternatives · AI Research

ChatDOC alternatives with an Android app

The ChatDOC listing does not include an Android app. 8 of the 49 other AI research tools in this directory list an Android app.

ChatDOC is a paid product with a free trial, starting at $89.9 per 360 days (a 30-day plan is also sold). 6 of them are free or have a free plan.

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

How each one differs from ChatDOC

  1. 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). ChatDOC starts at $89.9 per 360 days (a 30-day plan is also sold).
    • ChatPDF has a free plan. ChatDOC does not, though it has a free trial.
    • Only ChatPDF lists macOS, Windows, iOS and Android apps.
    • Only ChatDOC lists a browser extension.
  2. AskYourPDF

    Chat with PDFs and other documents and get cited answers

    • AskYourPDF starts at $11.99 per month, billed yearly ($14.99 billed monthly). ChatDOC starts at $89.9 per 360 days (a 30-day plan is also sold).
    • AskYourPDF has a free plan. ChatDOC does not, though it has a free trial.
    • Only AskYourPDF lists iOS and Android apps.
  3. Consensus

    AI search engine that answers questions from peer-reviewed papers

    • Consensus has a free plan. ChatDOC does not, though it has a free trial.
    • Only Consensus lists an Android app.
    • Only ChatDOC lists a browser extension.
    • Consensus also covers AI search and AI agents.
  4. R Discovery

    Paper discovery app with an AI assistant, PDF chat and audio

    • R Discovery starts at $69 per year, or $12 billed monthly (US prices). ChatDOC starts at $89.9 per 360 days (a 30-day plan is also sold).
    • R Discovery has a free plan. ChatDOC does not, though it has a free trial.
    • Only R Discovery lists iOS and Android apps.
    • R Discovery also covers AI search.
  5. Liner

    AI search with cited answers, research agents and a writer

    • Liner starts at $14.99 per month, billed annually ($17.99 billed monthly). ChatDOC starts at $89.9 per 360 days (a 30-day plan is also sold).
    • Liner has a free plan. ChatDOC does not, though it has a free trial.
    • Only Liner lists macOS, Windows, iOS and Android apps.
    • Liner also covers AI search, AI agents, long-form writing and highlights.
  6. Zotero

    Free, open-source reference manager from a nonprofit

    • Zotero starts at $20 per year for 2 GB of file storage. ChatDOC starts at $89.9 per 360 days (a 30-day plan is also sold).
    • Zotero has a free plan. ChatDOC does not, though it has a free trial.
    • Only Zotero lists macOS, Windows, Linux, iOS and Android apps.
    • Only ChatDOC lists a web app.
  7. Eightify

    AI summaries and key insights for YouTube videos

    • Only Eightify lists iOS and Android apps.
    • Only ChatDOC lists a web app.
    • Eightify also covers transcription.
    • ChatDOC also covers citations.
  8. Mapify

    Turn PDFs, videos, web pages and audio into AI mind maps

    • Mapify starts at $5.99 per month, billed yearly ($9.99 billed monthly). ChatDOC starts at $89.9 per 360 days (a 30-day plan is also sold).
    • Only Mapify lists iOS, Android and macOS apps.
    • Mapify also covers transcription, mind mapping and presentations.
    • ChatDOC also covers research and citations.

Common questions

Which ChatDOC alternatives have an Android app?

ChatPDF, AskYourPDF, Consensus, R Discovery, Liner, Zotero, Eightify and Mapify list an Android app.

Does ChatDOC have an Android app?

The ChatDOC listing does not include an Android app. It lists Web and Browser extension.

Which of these AI research tools are free?

ChatPDF, AskYourPDF, Consensus, R Discovery, Liner and Zotero are free or have a free plan.

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 ChatDOC: the alternatives its listing names first, then the tools that share the most features with it.