Rayyan vs Sysrev
Rayyan uniquely has 10 features · Sysrev uniquely has 6 features.
| Rayyan | Sysrev | |
|---|---|---|
| Company | ||
| Founded | 2014 | 2017 |
| HQ | Cambridge MA USA | Baltimore, USA |
| AI model | Proprietary (ResearchPilot™) | Proprietary |
| User base | 1,000,000+ | — |
| Platforms | Web, iOS, Android | Web |
| Languages | — | English only |
| Pricing | ||
| Pricing model | Freemium | Freemium |
| Free plan | Yes | Yes |
| Free trial | No — free tier available indefinitely | No |
| Starting price | $8.33/mo | $0/mo |
| Enterprise | Custom pricing | Contact Us |
| All plans | Essential$8.33/mo (billed quarterly)Advanced$13.33/mo (billed quarterly)Business/Academic$41.67/moEnterpriseCustom | BasicFreePremium$50/mo per memberEnterpriseContact Us |
| Positioning | ||
| Best for | Systematic review researchers, academics, healthcare professionals, and research institutions | Researchers, academic institutions, and organizations conducting systematic literature reviews and document data extraction |
| 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. | Combines AI-powered auto-labeling with human review workflows for flexible, scalable document data extraction across PDFs, title-abstract pairs, plain text, and structured JSON. |
| Competitors | Covidence, DistillerSR, Abstrackr, EPPI-Reviewer, Nested Knowledge | Rayyan, Covidence, DistillerSR, Abstrackr, Iris.ai |
| Features | ||
| AI Powered Screening | ✓ | — |
| Blind Mode | ✓ | — |
| Conflict Resolution | ✓ | — |
| Group Labels | — | ✓ |
| Prisma Flow Diagrams | ✓ | — |
| Shared Workflows for Teams | ✓ | — |
| Sysrev Analytics | — | ✓ |
| Sysrev Auto Labeler | — | ✓ |
| Unlimited Private Projects | — | ✓ |
| Unlimited Project Reviewers | — | ✓ |
| Unlimited Public Projects | — | ✓ |
| 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 | Yes — data export (CSV/JSON implied); user owns and can export data at any time |
| 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) | API access, JSON data import/export, structured data portability |
| Notion Integration | ✕ | ✕ |