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Evaluate features, pricing, platforms, and real user ratings side-by-side to make the right choice.
2 / 4 Tools
| Attribute | OpenAlex by OurResearch non-profit | Rayyan by Rayyan Systems Inc. |
|---|---|---|
| Category | Research | Research |
| Rating & Reviews | ★New / 5.0 0 verified reviews Weighted score: 0.00 | ★New / 5.0 0 verified reviews Weighted score: 0.00 |
| Pricing Model | free | freemium |
| Starting Price | Free 100% free open data and open API (CC0 License). | $8/mo Free basic tier (3 reviews); Student at $8/month; Professional at $20/month. |
| Platforms | WebAPI | WebiOSAndroid |
| AI Capabilities | 250M+ Research Knowledge GraphCitation Network TraversalInstitution & Author DisambiguationOpen Access Link Identification | Machine Learning Paper PrioritizationAutomated DeduplicationBlind Multi-Reviewer ScreeningPRISMA Workflow Compliance |
| Overview | Free, open catalogue of the world's research system with 250M+ scientific works and citations. | AI-assisted screening tool for systematic literature reviews, clinical trials, and meta-analyses. |
| Tags | open-accesscitationsbibliographicresearch | systematic-reviewmedicalclinical-trialsresearch |
