AI Research Tools
AI research tools for iPhone and iPad
8 of the 28 AI research tools in this directory list an iPhone and iPad app.
All of them are free or have a free plan.
Listings checked up to Oct 5, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| SciSpaceAI research platform for literature review and reading papers | Free plan · from $12/mo | Yes | Web, iOS, Browser extension |
| ChatPDFAsk questions about PDFs and get answers with citations | Free plan · from $89.99/yr | Yes | Web, macOS, Windows, iOS, Android |
| AnaraAI research assistant that cites the exact source passage | Free plan · from $8/mo | Yes | Web, macOS, iOS, Browser extension |
| AskYourPDFChat with PDFs and other documents and get cited answers | Free plan · from $11.99/mo | Yes | Web, iOS, Android, Browser extension |
| R DiscoveryPaper discovery app with an AI assistant, PDF chat and audio | Free plan · from $69/yr | Yes | Web, iOS, Android, Browser extension |
| LinerAI search with cited answers, research agents and a writer | Free plan · from $14.99/mo | Yes | Web, macOS, Windows, iOS, Android, Browser extension |
| alphaXivarXiv reading and discovery site with an AI research assistant | Free plan · from $8/mo | Yes | Web, iOS, Browser extension |
| OtioAI research workspace for chatting across many sources | Free plan · from $7/mo | Yes | Web, macOS, Windows, Linux, iOS, Browser extension |
Common questions
Which AI research tools work on iPhone and iPad?
8 of the 28 AI research tools in this directory list an iPhone and iPad app. They are SciSpace, ChatPDF, Anara, AskYourPDF, R Discovery, Liner, alphaXiv and Otio.
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 each listing names the pages it was read from.