Comparison
Symmathy vs Rayyan
Symmathy and Rayyan operate at different points in the review pipeline. Symmathy runs the federated search; Rayyan handles title/abstract screening. This page lays out what each does so you can decide which (or both) you need.
| What it does | Symmathy | Rayyan |
|---|---|---|
| Primary step | Search & discovery | Title/abstract screening |
| Database search | Federated across 10+ biomedical sources | Import-only (you supply records) |
| Non-English coverage | LILACS, J-STAGE, HAL, ThaiJO with inline translation | Multilingual interface; screening only |
| Blinded dual-reviewer screening | Export to a screening tool | Built-in |
| Conflict resolution | Out of scope | Built-in |
| PRISMA flow numbers | Auto-logs search-side (sources, queries, counts) | Tracks screening decisions |
| Pricing model | Per-user SaaS, free tier | Free for basic use, paid for larger teams |
Common workflow
Run the federated search in Symmathy → export RIS with original-source URLs preserved → import into Rayyan → blinded dual screening. The search step gets reproducible, complete records; the screening step gets the conflict-resolution machinery it needs.