Rayyan vs Undermind
Rayyan uniquely has 9 features · Undermind uniquely has 8 features.
| Rayyan | Undermind | |
|---|---|---|
| Company | ||
| Founded | 2014 | 2023 |
| HQ | Cambridge MA USA | San Francisco |
| AI model | Proprietary (ResearchPilot™) | Claude, ChatGPT, and others (user-connected agents) |
| User base | 1,000,000+ | Thousands of researchers across institutions; 1000+ GSK scientists |
| Platforms | Web, iOS, Android | Web |
| Languages | — | English only |
| Pricing | ||
| Pricing model | Freemium | Freemium |
| Free plan | Yes | Yes |
| Free trial | No — free tier available indefinitely | Yes |
| Starting price | $8.33/mo | $20/mo |
| Enterprise | Custom pricing | Custom pricing |
| Refund policy | — | Subscriptions can be cancelled at any time, but payments are generally non-refundable once a billing period has begun |
| All plans | Essential$8.33/mo (billed quarterly)Advanced$13.33/mo (billed quarterly)Business/Academic$41.67/moEnterpriseCustom | Free$0/moPro (Academic)$20/moPro (Industry)$75/moTeam (Academic)$18.7/person/mo billed annuallyTeam (Industry)$75/moEnterpriseCustom |
| Positioning | ||
| Best for | Systematic review researchers, academics, healthcare professionals, and research institutions | Academic and serious ongoing research |
| Differentiator | 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. | Deep AI-powered literature search with full-text analysis and agent integrations, reporting 10x more relevant results than Google Scholar in vendor benchmarks |
| Competitors | Covidence, DistillerSR, Abstrackr, EPPI-Reviewer, Nested Knowledge | Elicit, Semantic Scholar, Consensus, Perplexity AI, Research Rabbit, Connected Papers |
| Features | ||
| AI Chat and Deep Search | — | ✓ |
| AI Powered Screening | ✓ | — |
| Blind Mode | ✓ | — |
| Centralized Team Billing | — | ✓ |
| Conflict Resolution | ✓ | — |
| External Agent Connections (Claude, Chatgpt) | — | ✓ |
| Full Text Analysis | — | ✓ |
| Onboarding Seminars (Enterprise) | — | ✓ |
| Prisma Flow Diagrams | ✓ | — |
| Shared Workflows for Teams | ✓ | — |
| Shared Workspaces | — | ✓ |
| Zotero Import/Export (File Based) | ✓ | — |
| Academic Search | ✓ | ✓ |
| AI Summarization | ✓ | ✓ |
| API Access | ✓ | — |
| Browser Extension | ✕ | ✕ |
| Citation Generation | ✓ | ✓ |
| Data Privacy | ✓ | ✓ |
| Document Upload | ✓ | ✓ |
| Export Formats | 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 | Rayyan API (Enterprise), mobile app (iOS/Android), reference manager imports (RIS/BibTeX) | — |
| Notion Integration | ✕ | — |