AnswerThis vs Rayyan
AnswerThis uniquely has 9 features · Rayyan uniquely has 9 features.
| AnswerThis | Rayyan | |
|---|---|---|
| Company | ||
| Founded | — | 2014 |
| HQ | — | Cambridge MA USA |
| AI model | Claude Opus 4.5 (Max plan); proprietary ensemble for other tiers | Proprietary (ResearchPilot™) |
| User base | 200,000+ | 1,000,000+ |
| Platforms | Web | Web, iOS, Android |
| Languages | English primarily; multilingual search via 300M+ paper database | — |
| Pricing | ||
| Pricing model | Freemium | Freemium |
| Free plan | Yes | Yes |
| Free trial | No — free tier available indefinitely | No — free tier available indefinitely |
| Starting price | $35/mo | $8.33/mo |
| Enterprise | Custom | Custom pricing |
| All plans | Free$0/moPro$35/moResearch$75/moMax$250/moEnterpriseCustom | Essential$8.33/mo (billed quarterly)Advanced$13.33/mo (billed quarterly)Business/Academic$41.67/moEnterpriseCustom |
| Positioning | ||
| Best for | Academics, researchers, medical professionals, students, and pharma/biotech teams needing citation-backed literature reviews | Systematic review researchers, academics, healthcare professionals, and research institutions |
| Differentiator | Combines a 300M+ paper database with PRISMA-compliant systematic review pipelines, full-text AI screening, and risk-of-bias assessments purpose-built for pharma, biotech, and academic researchers. | The world's most widely adopted systematic review platform with 1M+ researchers, offering AI-assisted screening, deduplication of up to 200,000 references, PRISMA diagram generation, and the new ResearchPilot™ AI for zero-shot relevance ratings and automated data extraction. |
| Competitors | Elicit, Consensus, SciSpace, Semantic Scholar, Research Rabbit, Iris.ai | Covidence, DistillerSR, Abstrackr, EPPI-Reviewer, Nested Knowledge |
| Features | ||
| AI Writer with Citations | ✓ | — |
| AI Powered Screening | — | ✓ |
| Basic Queries | ✓ | — |
| Blind Mode | — | ✓ |
| Conflict Resolution | — | ✓ |
| Extended Thinking AI | ✓ | — |
| Library Storage | ✓ | — |
| Prisma Flow Diagrams | — | ✓ |
| Shared Workflows for Teams | — | ✓ |
| Systematic Reviews | ✓ | — |
| Zotero & Mendeley Sync | ✓ | — |
| Zotero Import/Export (File Based) | — | ✓ |
| Academic Search | ✓ | ✓ |
| AI Summarization | ✓ | ✓ |
| API Access | — | ✓ |
| Browser Extension | ✕ | ✕ |
| Citation Generation | ✓ | ✓ |
| Data Privacy | ✓ | ✓ |
| Document Upload | ✓ | ✓ |
| Export Formats | PDF, export papers/citations; submission-ready evidence tables | PRISMA diagrams, audit trail exports, data extraction outputs |
| Fact Checking | ✓ | ✕ |
| Follow Up Questions | ✓ | ✓ |
| Mobile App | ✕ | ✓ |
| Multi Source Synthesis | ✓ | ✓ |
| Team Collaboration | ✓ | ✓ |
| Web Search | ✓ | ✕ |
| Integrations | ||
| API Access | — | ✓ |
| Browser Extension | ✕ | ✕ |
| Google Docs Export | — | ✕ |
| Key Integrations | Zotero, Mendeley, SSO/SAML (Enterprise), institutional systems (Enterprise) | Rayyan API (Enterprise), mobile app (iOS/Android), reference manager imports (RIS/BibTeX) |
| Notion Integration | — | ✕ |
| Zotero Integration | ✓ | — |