Connected Papers vs Litmaps vs Research Rabbit vs Scinapse
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Connected Papers
Visual exploration of related academic papers
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Litmaps
Discover related research with citation-graph mapping
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Research Rabbit
Visual citation-network mapper for papers — still free, now has RR+.
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| RECATOOLS Score | 7.4 / 10 | 7 / 10 | 7.7 / 10 | 6.4 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Freemium | Free | Freemium |
| Free tier | — | 3 maps with 200 papers each | Full access for free | — |
| Paid from | — | $10/month (Researcher) | — | — |
| Has API | ✗ | ✗ | ✗ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✗ | ✗ | ✓ | ✗ |
| Users | — | 100k+ researchers | 1m+ researchers | — |
| Founded | 2019 | 2016 | 2021 | — |
| Maker | — | University of Otago | Riley Davis, Timothy Chang | — |
| Verdict | Connected Papers is a beautifully simple research tool: enter one paper and it generates a visual graph of similar work based on citation/co-citation similarity, making it easy to discover prior, derivative and seminal p... |
Litmaps maps citation networks so you can see how papers connect, spot the seminal ones, and catch new work as it publishes — handy for systematic reviews and expanding out from a handful of seed papers. The bigger 2026... |
Research Rabbit maps citation networks, co-authorship, and topic timelines around any paper, and for years operated as a fully free public good for researchers. That changed on October 30, 2025: a redesign kept the core... |
Pluto Labs built Scinapse around citation data rather than raw keyword relevance, so a search surfaces the papers a field actually cites and the people behind them, plus author-level analytics. The free tier handles day-... |
| 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.