AI search & research · 2 tools compared
Last verified:
Prices may changeCollege Reports & Assignments
Liner ◐Free plan
Search papers with a Korean UI and easily copy citation formats. Student discount available.
Work Research & Latest Info
Perplexity ◐Free plan
Searches the entire web and adds sentence-level citations. Generates reports via deep research.
Korean first
Liner ◐Free plan
As a Korean service, the UI and explanations are in Korean, and it explains English papers in Korean.
| Item | Liner | Perplexity |
|---|---|---|
| Price | ◐Free plan | ◐Free plan |
| Free limits | Advanced search is unlimited with ads in answers; file uploads limited to 1 per day | Unlimited basic searches, daily limit on advanced (Pro) searches |
| Paid price | Pro $17.99/month ($14.99 with annual billing) · Max $35.99/month | Pro $20/month ($200/year) · Max $200/month ($2,000/year) |
| Student / edu discount | Student discount available | No |
| Korean | ○KoreanKorean service. UI and responses in Korean; explains English papers in Korean. | ○KoreanBoth UI and answers support Korean. Proportion of Korean sources is relatively low |
| Login | Required | Optional |
| Platforms | Web · Browser extension · iOS · Android | Web · iOS · Android · Windows · macOS |
| File input | PDF, URL | PDF, IMAGE, TXT |
| Search Scope | Academic-focused + Web | Entire Web + Academic filter |
| Citation Support | Copy citation formats like APA | Numbered sources, no citation formatting |
| Browser Extension | Highlighting & summary extension | Search & summary extension |
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LINER is a Korean AI search tool focused on academic sources. It finds relevant papers and explains them in Korean, letting you copy APA citations easily. Upload PDFs to summarize or use the extension to highlight web text. Free daily limits are tight, and student discounts are available.
Perplexity searches the web and attaches numbered source citations to every sentence. An academic filter is available. Deep research generates long reports, and you can search without signing up. It lacks citation formatting and often prioritizes English sources over domestic Korean content.
Choose based on whether your goal is an academic report or general research. LINER suits college assignments needing citations. Perplexity is better for broad work research. Pick LINER for a Korean-first UI, or Perplexity for wider English sources. Always verify summaries against original sources.
| Situation | Pick | Why |
|---|---|---|
| 🎒 College Reports & Assignments | Liner | Search papers with a Korean UI and easily copy citation formats. Student discount available. |
| 💼 Work Research & Latest Info | Perplexity | Searches the entire web and adds sentence-level citations. Generates reports via deep research. |
| 🗣️ Korean first | Liner | As a Korean service, the UI and explanations are in Korean, and it explains English papers in Korean. |
| ⚡ No sign-up | Perplexity | Search immediately without signing up. |
Not a ranking. Different situations, different answers.
Last verified:
Prices may change; confirm on each official site before paying. A comparison's verified date is the oldest of the comparison and its tools.
A Korean AI search engine specialized in papers and academic sources
An AI search engine that answers with sources