Liner vs SciSpace
Liner
liner.com
SciSpace
scispace.comSide by side
| Figure | Liner | SciSpace |
|---|---|---|
| Price from | $1.25/mo | $5.83/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Plans published | 9 | 16 |
| Spec score · AI Research Assistants | 8.9 (#5) | 8.7 (#7) |
| Browser extension | The Chrome extension can search, summarize, highlight, and bookmark webpages, PDFs, and YouTube videos. | The Chrome extension summarizes highlighted PDF text, chats with PDFs, saves papers to the library and generates citations. |
| Company facts | LinkedIn lists Liner as privately held, founded in 2015, headquartered in San Francisco, and employing 51–200 people. | LinkedIn lists SciSpace as privately held, founded in 2016, headquartered in Bangalore and employing 11–50 people. |
| Headquarters | Seoul, Republic of Korea | Milpitas, California, USA |
| Notable news | Liner announced Actions MCP on September 29, 2026, describing a single connection to roughly 1,100 external applications. | SciSpace announced on LinkedIn in October 2026 that Advanced and Max plans receive unlimited agent usage. |
| Rating on Apple App Store | 4.4 out of 5 from 1.4K ratings | 2.6 out of 5 from 11 ratings. |
| Rating on Chrome Web Store | 4.4 out of 5 from 6K ratings | 4.4 out of 5 from 144 ratings. |
| Rating on Trustpilot | 3.0 out of 5 from 3 reviews | 4.3 out of 5 from 405 reviews. |
| Support | The pricing page says Enterprise includes a dedicated manager and onboarding sessions, and lists dedicated customer success support for customized AI solutions. | Official pages publish [email protected] as the support contact. |
| What it does | Liner provides cited AI search, academic research tools, and professional writing workflows. | SciSpace describes itself as an end-to-end platform for discovering, analyzing and writing scientific literature. |
Plans
Liner
- FreeFree
- Pro$14.99 a year
- Pro annual$14.99 a month
- Pro$17.99 a month
- Team$26.99 a month
- Max$29.99 a year
- Max annual$29.99 a month
- Max$35.99 a month
- EnterprisePriced on request
SciSpace
- Premium$12 a month
- Advanced$70 a month
- Max$160 a month
- BasicFree
- BasicFree
- Premium$12 a month
- Team$12 a month
- Researcher$20 a month
- Advanced$70 a year
- Advanced$70 a month
In their own words
Liner
Liner combines AI search, academic research, and writing tools for professional workflows. Its search answers include citations users can follow, and searches can be limited to a chosen pool of sources. Liner Scholar supports paper discovery, citation following, comparisons across papers, literature reviews, and research hypotheses. Liner Write drafts from a topic, adds citations, edits text with AI, and exports to PDF or DOCX. Free accounts get unlimited Advanced Search and access to Image Generation and Deep Research, but have no agent credits, receive answers with ads, and can upload one file per day up to 25MB. Pro and Max list ChatGPT, Gemini, and Claude model access, with larger upload limits and ad-free search. Liner is available on Android, iOS, macOS, Windows, web, as an extension, and through an API. Pro costs $14.99 a month billed annually; Max costs $29.99 a month billed annually. Team includes a dedicated workspace and excludes team data from AI training.
SciSpace
SciSpace is a platform for finding, analyzing, and writing about scientific literature. Its literature review tool searches more than 280 million articles and organizes concise findings in tables with customizable columns. Chat with PDF offers citation-backed answers, section-by-section summaries, explanations of highlighted passages, and related-paper recommendations. Writing tools include AI-assisted suggestions, paraphrasing in context, style improvements, and an editor supporting more than 75 languages. Users can import references from Zotero or EndNote, though the Zotero import flow excludes papers without a DOI. A Chrome extension explains selected text, math, and tables; its mobile app is for iOS and supports searching, summarizing, and exploring peer-reviewed journals. SciSpace says its repository has metadata for 200 million-plus papers and 50 million-plus open-access full-text PDFs. It lists extension, iOS, and web access. The free plan is free and includes 100 monthly credits; paid plans start at $20/mo. SciSpace says uploaded PDFs are private to the user and are not used to train its AI models.