CADIMA vs Rayyan

CADIMA is a free web application for planning, conducting, and documenting systematic reviews, systematic maps, and other literature reviews. It accepts review questions from any research discipline and lets review teams work together worldwide, with no stated limit on reviewers at different stages. During screening, records can be allocated automatically while allowing independent and parallel assessment. CADIMA removes duplicate records automatically and supports bulk PDF uploads. It records the review process in detail, while its evidence synthesis database provides guidance and hosts synthesis data. The site describes planned archiving for review and evidence-map data and modules. Access data are used for statistical purposes and are not passed to third parties, according to the privacy policy. A scientist-and-programmer team handles questions, and user feedback informs further development. CADIMA is published by the Julius Kühn-Institut in Quedlinburg, Germany. The footer identifies version 2.2.4.2, dated April 2023.

Rayyan is a platform for teams carrying out systematic evidence reviews, with workflows intended to be transparent, auditable, and reproducible. Its process spans reference import, collaboration, deduplication, title and abstract screening, full-text screening, data extraction, risk-of-bias assessment, and reporting. ResearchPilot AI Reviewer screens articles against criteria set by the user and gives decisions with reasoning notes. The Analyzer suggests inclusion or exclusion with justification, while the researcher retains final decision-making. ResearchPilot can also extract answers to custom questions from PDFs and metadata, highlight relevant passages, and let users inspect the answers. References are imported from exported files rather than a direct database connection. The API offers programmatic access to reviews, references, decisions, and metadata, plus workflow automation and external integrations. Rayyan is available on Android, iOS, web, and through an API. The Free plan allows three active reviews and two free reviewers; paid options start at $8.33 a month per seat, billed annually. Free mobile access is limited; Essential and higher provide unlimited mobile access.