Liner
by Liner
At a glance
AI research assistant suite for search, academic research, and writing that answers questions with cited sources.
ai-search research highlighting
- Licence
- Not recorded
- Category
- Answer Engines
- Business model
- Freemium
- Availability
- Global
- Launched
- 2015
Overview
Liner is an AI research assistant suite with three products: Liner for search, Liner Scholar for academic research, and Liner Write for drafting. It answers questions with cited sources, supports citation checks and literature reviews, and is available as browser extensions and desktop and mobile apps. Liner offers a free tier with ads and daily limits, and Pro subscriptions that apply across all three products.
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Key features
- AI answers with source citations and one-click citation checks
- Literature review and paper comparison in Liner Scholar
- Deep research mode for scholarly questions
- Browser extension and mobile apps
Use cases
- Academic research with verifiable citations
- Collecting and organizing highlights across sources
- Fact-checked everyday search
Pricing
Liner has a free plan with ads and daily limits on some features; Pro subscriptions apply across Liner, Liner Scholar, and Liner Write and add higher limits and access to major AI models.
Record details
Provenance, dates and links are kept here so the main sections stay about the product itself.
Links, dates and provenance
- Record updated
- 2026-10-09
- Pricing
- liner.com ↗
- Founded
- 2015
- Headquarters
- KR
- Canonical URL
- https://globalaiproductindex.com/products/liner/
Selection profile
Every field says where its value comes from. "Unknown" means we have not confirmed it — it does not mean the product lacks the feature.
Selection profile11 fields4 unknown
- Tasks it fits
- Research with citations Search
Derived from the record: category "answer-engines".
Suggest a correction - How you use it
- Web app
Hosted product with no desktop/CLI tag in the record; assumed web-delivered.
Suggest a correction - Runs on
- Windows Android iOS
Matched on the vendor page: “reviews Learn Press Support Download For iOS For Android For Mac For Windows For Chrome For Edge Agents A”
Suggest a correction - Where it runs
- Vendor cloud
Vendor-hosted product; no self-hosted option is recorded.
Suggest a correction - Works offline
- Not recorded
The record contains no offline-operation claim.
Suggest a correction - Official service region
- Global
Mirrors the availability field already on the record ("global").
Suggest a correction - Public API
- Not recorded
The record does not state whether a public API exists.
Suggest a correction - Licence
- proprietary
Commercial product; no source licence is published in the record.
Suggest a correction - Commercial use
- Not recorded
Commercial product; the terms reviewed here do not state a non-commercial restriction, but that was not verified.
Suggest a correction - Interface languages
- Not recorded
No vendor page read in this pass states the product's own interface languages; the key exists so the field can be answered later rather than left absent.
Suggest a correction - Billing
- Subscription Free allowance: Limited Subscription required: No
Prices are the vendor’s advertised entry price and exclude taxes; always confirm on the vendor’s own page.
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Where each value comes from
- Tasks it fits
- Our inference
- How you use it
- Our inference
- Runs on
- Verified 2026-10-09 liner.com ↗
- Where it runs
- Our inference
- Works offline
- Our inference
- Official service region
- Our inference
- Public API
- Our inference
- Licence
- Our inference
- Commercial use
- Our inference
- Interface languages
- Unknown
Key facts and their evidence
Each fact lists the conditions it holds under, the page it was read from and the day it was checked.
-
Platform support: windows, android, ios Verified 2026-10-09 liner.com ↗
Applies to: As stated on liner.com on 2026-10-09
Matched on the vendor page: “reviews Learn Press Support Download For iOS For Android For Mac For Windows For Chrome For Edge Agents A”
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Frequently asked questions
What is Liner?
Liner is an AI research assistant that provides cited answers and tools to highlight and organize sources.
Who uses Liner?
Liner is popular with students, academics, and professionals who need trustworthy, citable answers.
Is Liner free?
A free tier with ads covers basic use; Pro plans add higher limits and access to major AI models.
What does the Liner record not establish?
No public documentation page is recorded because none was found on the vendor site, and the vendor pages did not state Liner's licence terms, regional availability or supported languages.
Similar products
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- Comet — AI-powered web browser from Perplexity with a built-in assistant that answers questions and performs tasks across pages.
Related guides
Sources
- Official website ↗
- The SaaS News: Liner raises 27B KRW in Series B2 round ↗
- AI agents for professionals | Search, academic research, write with Liner ↗
- Official pricing ↗
This record was last reviewed on 2026-10-09.
Machine-readable record: /api/products/liner.json · Spot an error? Suggest a correction