SciSpace alternatives · AI Research
SciSpace alternatives with a Windows app
The SciSpace listing does not include a Windows app. 4 of the 49 other AI research tools in this directory list a Windows app.
SciSpace has a free plan. Paid plans start at $12 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 SciSpace
- Free plan · from $89.99/yr
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). SciSpace starts at $12 per month, billed annually ($20 billed monthly).
- Only ChatPDF lists macOS, Windows and Android apps.
- Only SciSpace lists a browser extension.
- SciSpace also covers AI agents.
- Free plan · from $7/mo
Otio
AI research workspace for chatting across many sources
- Otio starts at $7 per month (Lite), billed monthly or $84 per year. SciSpace starts at $12 per month, billed annually ($20 billed monthly).
- Only Otio lists macOS, Windows and Linux apps.
- Otio also covers notes.
- Free plan · from $14.99/mo
Liner
AI search with cited answers, research agents and a writer
- Liner starts at $14.99 per month, billed annually ($17.99 billed monthly). SciSpace starts at $12 per month, billed annually ($20 billed monthly).
- Only Liner lists macOS, Windows and Android apps.
- Liner also covers long-form writing and highlights.
- SciSpace also covers chat assistant.
- Free plan · from $20/yr
Zotero
Free, open-source reference manager from a nonprofit
- Zotero starts at $20 per year for 2 GB of file storage. SciSpace starts at $12 per month, billed annually ($20 billed monthly).
- Only Zotero lists macOS, Windows, Linux and Android apps.
- Only SciSpace lists a web app.
- Only SciSpace lists a browser extension.
Common questions
Which SciSpace alternatives have a Windows app?
ChatPDF, Otio, Liner and Zotero list a Windows app.
Does SciSpace have a Windows app?
The SciSpace listing does not include a Windows app. It lists Web, iOS and Browser extension.
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 SciSpace: the alternatives its listing names first, then the tools that share the most features with it.



