COMPARISON
EvidenceFlow vs Sysrev for Systematic Reviews
Last reviewed September 14, 2026
Sysrev is a general-purpose document-review and data-extraction platform - its own site describes it as reviewing "PDFs, title-abstract pairs, plain text, or structured JSON" with fully custom boolean, categorical, string, and group labels, and its published case studies include Safety Data Sheet review and toxicology data extraction alongside academic literature reviews. That flexibility is also the scope difference: Sysrev's own FAQ states it doesn't handle deduplication, and title/abstract vs. full-text screening are typically run as separate projects rather than phases of one review, so it doesn't auto-generate a PRISMA flow diagram or offer built-in meta-analysis. EvidenceFlow is purpose-built for systematic reviews specifically: import, dedup, dual-reviewer screening, extraction, PRISMA, and meta-analysis are stages of one review in one workspace, not separate projects you assemble yourself.
Feature comparison
| Feature | EvidenceFlow | Sysrev |
|---|---|---|
| Title/abstract & full-text screening | Yes, built in as stages of one review | Yes, via custom boolean/categorical labels - typically run as separate projects per phase |
| Blind dual-reviewer screening | Yes, configurable reviewer count per stage | Yes, toggleable label blinding plus a review-priority setting for single/double coverage |
| Conflict resolution workflow | Third reviewer, review manager, or consensus | Discussion, consensus, or a third reviewer, with blinding disabled during resolution |
| Automatic deduplication | Yes, on import | No - Sysrev's own FAQ states it does not handle deduplication |
| Structured data extraction | Yes, incl. clinical + omics fields, AI auto-fill (paid) | Yes - fully custom boolean/categorical/string/group labels, general-purpose (not review-specific templates) |
| Risk-of-bias assessment | Basic fields in extraction (randomization, blinding, attrition, overall judgment) - not a structured domain-by-domain tool | No dedicated tool - a team could build one out of custom labels, but nothing purpose-built ships with the product |
| PRISMA 2020 flow diagram | Yes, generated automatically from your own screening decisions | No - Sysrev's FAQ says it can't aggregate the data for one, since it doesn't dedupe and phases live in separate projects |
| Built-in meta-analysis (pooled effects, forest/funnel plots) | Yes - fixed/random effects, Mantel-Haenszel, Peto | No - not offered anywhere in Sysrev's documentation or pricing |
| AI-assisted labeling | Optional, paid upgrade | Yes ("Auto-labeler"), pay-per-document on top of a Premium subscription |
| Free tier | Free core workflow, no review-count cap, private reviews included | Free ("Basic") forever, but only for public/open projects - private projects require a paid plan |
Source for Sysrev's column: www.sysrev.com/
Who each tool fits best
Consider EvidenceFlow if
- You want a systematic-review-specific workflow - screening, dedup, PRISMA, and meta-analysis as stages of one review, not separate projects to assemble.
- You need your review to stay private without paying a per-member subscription.
- Your review includes genomics/omics data alongside clinical outcomes.
Consider Sysrev if
- You need to review document types beyond citations - PDFs, structured JSON, or free text - with fully custom label schemas.
- Your project doesn't need deduplication or a PRISMA diagram, and you're comfortable managing screening phases as separate projects.
- You want pay-per-document AI labeling with your own choice of underlying model (GPT-4o or Gemini).
Feature availability, limits, and pricing vary by plan and can change - this is a starting point for your own evaluation, not a substitute for it.
Workflow comparison
The two tools are built around different units of work. Sysrev's unit is a document label: you define custom boolean, categorical, string, or group labels, apply them (manually or via the Auto-labeler) to whatever documents you've uploaded, and - by its own FAQ - typically split title/abstract screening and full-text screening into separate projects, since it doesn't track phases or duplicates within one project. EvidenceFlow's unit is the review itself: import → dedup → dual screening → extraction → PRISMA → meta-analysis → export happens as stages of one project, on one dataset, with no separate projects to reassemble.
Pricing
EvidenceFlow
Free: import, screening, extraction, meta-analysis, and PRISMA reporting - no review limit, no seat limit, private reviews included.
₹399/month: adds AI-assisted screening suggestions, extraction auto-fill, and AI manuscript drafting.
Sysrev
Basic: $0/month - unlimited public projects and reviewers, free lifetime storage, but projects must stay public.
Premium: $50/member/month - adds unlimited private projects, Sysrev Analytics, the Auto-labeler, and group labels.
Enterprise: custom pricing - SSO, invoice billing, priority support, and custom feature development.
Sysrev pricing source: www.sysrev.com/pricing (checked September 14, 2026). Confirm current pricing directly with Sysrev before deciding.
FAQ
Is EvidenceFlow an alternative to Sysrev?
For systematic reviews specifically, yes - EvidenceFlow covers the same screening and extraction ground plus PRISMA and meta-analysis, which Sysrev doesn't offer. For general document-labeling work outside systematic reviews (structured JSON, arbitrary PDFs, custom label schemas), Sysrev's flexibility goes beyond what EvidenceFlow is built for.
Does Sysrev generate PRISMA flow diagrams?
No. Sysrev's own FAQ says it can't, because it doesn't handle deduplication and because title/abstract and full-text screening are typically managed as separate projects rather than phases it can aggregate together. EvidenceFlow generates its PRISMA diagram automatically from your team's actual screening decisions in one project.
Can I keep a review private on Sysrev's free plan?
No - Sysrev's Basic plan is free indefinitely but only for public (open) projects; a private project requires the $50/member/month Premium plan or an Enterprise license. EvidenceFlow's free tier includes private reviews.
Which tool should a review team choose?
If your work is a systematic review and you want screening through meta-analysis in one workspace, EvidenceFlow is the more direct fit. If you need to label arbitrary document types with fully custom schemas - or your review doesn't need deduplication or a PRISMA diagram - Sysrev's flexibility may suit you better. Feature sets and pricing on both platforms change - check each provider's current documentation before deciding.
Core import, screening, extraction, meta-analysis, and PRISMA reporting are free with no subscription or seat limits. AI-assisted screening, extraction auto-fill, and manuscript drafting are an optional paid upgrade.