Liner
- Android app
- Yes
- Free plan
- Yes
- Paid plans from
- $1.25/mo
- Runs on
- Android, api, Browser extension, iOS, Mac, Web, Windows
Summary
Liner combines AI search, academic research, and writing tools for professional workflows. Its search produces answers with citations users can follow and check, and can focus on a specific pool of sources. Liner Scholar supports paper discovery, citation following, comparisons across papers, literature reviews, and research hypotheses. Liner Write can draft from a topic, add citations, edit text with AI, and export to PDF or DOCX. The free plan includes unlimited Advanced Search and access to Image Generation and Deep Research, but provides zero agent credits per month; answers include ads, and uploads are limited to one file per day up to 25 MB. Pro and Max list ChatGPT, Gemini, and Claude models, along with larger upload allowances and ad-free search. Pro is $14.99 USD per month billed annually; Max is $29.99 USD per month billed annually. Liner is available on Android, iOS, macOS, Windows, web, as an extension, and through an API. Team plans include a dedicated workspace and exclude team data from AI training.
Who it is for
Liner suits professionals who need cited AI search, academic research tools, or AI-assisted drafting and document export. Its file-based research tools and team workspace may fit users working with collections of sources or collaborators.
What is good
- Search answers include citations to follow.
- Scholar supports paper comparison and literature reviews.
- Write exports documents as PDF or DOCX.
- Available across mobile, desktop, web, API, and extension.
What to know first
- Free plan has zero agent credits per month.
- Free answers include ads.
- Free uploads are limited to one file daily.
- Pro and Max are billed annually.
Verdict
Liner brings cited search, academic research, and writing tools together, with support for source collections and file uploads. The free tier has constrained uploads and ads; Pro and Max add model access and higher upload allowances at annual-billed prices.
Liner plans and pricing
All plansCompared on AI research assistants
Facts
- Product
- Liner offers AI search, academic research, and writing tools for professional workflows.liner.com · 29 Sept 2026
- Cited search
- Liner says its AI search answers cite reputable sources that users can follow and check.liner.com · 29 Sept 2026
- Research
- Liner Scholar supports paper discovery, citation following, multi-paper comparison, literature reviews, and research hypotheses.liner.com · 29 Sept 2026
- Writing
- Liner Write can draft from a topic, add citations, edit text with AI, and export documents as PDF or DOCX.liner.com · 29 Sept 2026
- Source collection
- Liner search lets users ask questions about a specific pool of sources.liner.com · 29 Sept 2026
- AI models
- The Pro and Max plans list access to ChatGPT, Gemini, and Claude models.liner.com · 29 Sept 2026
- File upload limits
- The Free plan allows one upload per day up to 25MB per file, while Pro allows 20 daily uploads up to 100MB and Max allows unlimited daily uploads up to 200MB.liner.com · 29 Sept 2026
- Security
- Liner says users can request deletion of their account and activity, and that it regularly checks sensitive personal data and securely deletes it.liner.com · 29 Sept 2026
- Compliance
- Liner lists SOC 2 Type I and II, HIPAA, and ISO 27001:2022 among its security and compliance credentials.liner.com · 29 Sept 2026
- Team privacy
- The Team plan says team data is excluded from AI training and provides a dedicated workspace with admin controls.liner.com · 29 Sept 2026
- Support
- The pricing page says Enterprise includes a dedicated manager and onboarding sessions, and lists dedicated customer success support for customized AI solutions.liner.com · 29 Sept 2026
- Platforms
- Liner lists apps for iOS, Android, Mac, and Windows, plus Chrome and Edge browser extensions.liner.com · 29 Sept 2026
- Audience
- Liner Write identifies sales personnel, marketers, small business owners, and consultants as intended users.liner.com · 29 Sept 2026
Company
- Founded
- 2015liner.com · 28 Sept 2026
- Headquarters
- Seoul, Republic of Korealiner.com · 28 Sept 2026
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Sources
- liner.com· checked 29 Sept 2026
- liner.com/search· checked 29 Sept 2026
- liner.com/scholar· checked 29 Sept 2026
- liner.com/write· checked 29 Sept 2026
- liner.com/pricing· checked 29 Sept 2026
- liner.com/safety· checked 29 Sept 2026