Liner vs Primer
Liner
liner.comPrimer
primerapp.comSide by side
| Figure | Liner | Primer |
|---|---|---|
| Price from | $1.25/mo | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Plans published | 9 | 0 |
| Spec score · AI Research Assistants | 8.9 (#5) | 6.6 (#28) |
| Product | Liner offers AI search, academic research, and writing tools for professional workflows. | Primer describes itself as an AI analyst for equity investors that takes research from source material through drivers, models, and written output. |
| Security | Liner says users can request deletion of their account and activity, and that it regularly checks sensitive personal data and securely deletes it. | Primer describes itself as SOC 2 compliant and says customer data is ring-fenced and never used to train models. |
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
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.