Glasp vs Liner vs Mem vs Gemini Notebook (formerly NotebookLM)
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Glasp
Social web-highlighter with AI summaries
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Mem
AI-native note-taking with automatic organization
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Gemini Notebook (formerly NotebookLM)
Source-grounded research notebook with podcast-style summaries
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| RECATOOLS Score | 6.7 / 10 | 6.7 / 10 | 6.8 / 10 | 8.3 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Freemium | Freemium | Freemium |
| Free tier | — | — | — | — |
| Paid from | — | — | — | Free (Standard) tier; paid access bundled into Google AI subscriptions — Plus ~$7.99/mo |
| Has API | ✗ | ✗ | ✗ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✓ | ✓ | ✗ | ✓ |
| Users | — | — | — | Reported in the millions of monthly active users in 2026 |
| Founded | 2021 | — | 2019 | 2023 |
| Maker | — | — | Mem Labs | — |
| Verdict | Glasp is a social highlighting and knowledge-capture tool: you highlight articles, PDFs and YouTube transcripts in the browser, get AI summaries, and optionally share your highlights with a community, with export into no... |
Liner earns its keep on citation traceability — every claim links back to a specific line in a specific source, and Scholar mode narrows that source pool to academic literature with one-click APA/MLA/Chicago export. For... |
Mem is an AI-first note-taking app that de-emphasises folders in favour of automatic organisation, smart search, and AI that surfaces related notes and answers questions across your knowledge base. It suits individuals w... |
NotebookLM has a genuinely distinct shape among AI tools: it answers from the sources you upload, with inline citations, which keeps hallucination noticeably lower than open-ended chatbots. Audio Overviews — two AI hosts... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.