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Semantic Scholar alternatives · AI Research

Semantic Scholar alternatives with an iPhone and iPad app

The Semantic Scholar listing does not include an iPhone and iPad app. 8 of the 27 other AI research tools in this directory list an iPhone and iPad app.

Semantic Scholar is free to use. All of them are free or have a free plan.

8 tools · Listings checked up to Oct 5, 2026 · Where the facts come from

How each one differs from Semantic Scholar

  1. alphaXiv

    arXiv reading and discovery site with an AI research assistant

    • alphaXiv starts at $8 per month (alphaXiv Go). Semantic Scholar is free.
    • Only alphaXiv lists an iOS app.
    • alphaXiv also covers chat assistant and highlights.
    • Semantic Scholar also covers citations.
  2. 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). Semantic Scholar is free.
    • Only R Discovery lists iOS and Android apps.
    • R Discovery also covers chat assistant.
  3. 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). Semantic Scholar is free.
    • Only ChatPDF lists macOS, Windows, iOS and Android apps.
    • Only Semantic Scholar lists a browser extension.
    • ChatPDF also covers chat assistant.
  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). Semantic Scholar is free.
    • Only Liner lists macOS, Windows, iOS and Android apps.
    • Liner also covers AI agents, long-form writing and highlights.
  5. SciSpace

    AI research platform for literature review and reading papers

    • SciSpace starts at $12 per month, billed annually ($20 billed monthly). Semantic Scholar is free.
    • Only SciSpace lists an iOS app.
    • SciSpace also covers chat assistant and AI agents.
  6. Anara

    AI research assistant that cites the exact source passage

    • Anara starts at $8 per seat / month, billed yearly ($10 billed monthly). Semantic Scholar is free.
    • Only Anara lists macOS and iOS apps.
    • Anara also covers chat assistant, web clipper and AI agents.
  7. AskYourPDF

    Chat with PDFs and other documents and get cited answers

    • AskYourPDF starts at $11.99 per month, billed yearly ($14.99 billed monthly). Semantic Scholar is free.
    • Only AskYourPDF lists iOS and Android apps.
    • AskYourPDF also covers chat assistant.
    • Semantic Scholar also covers AI search.
  8. Otio

    AI research workspace for chatting across many sources

    • Otio starts at $7 per month (Lite), billed monthly or $84 per year. Semantic Scholar is free.
    • Only Otio lists macOS, Windows, Linux and iOS apps.
    • Otio also covers chat assistant, notes and AI agents.

Common questions

Which Semantic Scholar alternatives have an iPhone and iPad app?

alphaXiv, R Discovery, ChatPDF, Liner, SciSpace, Anara, AskYourPDF and Otio list an iPhone and iPad app.

Does Semantic Scholar have an iPhone and iPad app?

The Semantic Scholar listing does not include an iPhone and iPad app. It lists Web and Browser extension.

When was this checked?

Every listing on this page was checked on Oct 5, 2026, against the pages it cites. 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 Semantic Scholar: the alternatives its listing names first, then the tools that share the most features with it.