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Head-to-head · eDiscovery Software

RelativityOne vs Rational Review

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score RelativityOne #4 in eDiscovery Software 9.1/10 Pricing on request ✓ 0 of 4 features Visit RelativityOne
Rational Review #8 in eDiscovery Software 8.7/10 Pricing on request ✓ 4 of 4 features Visit Rational

RelativityOne leads on 0 checks, Rational Review on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRelativityOne · 9.1/10
  • Most featuresRational Review · 4 of 4

RelativityOne scores higher on our rubric for ediscovery software: 9.1 against 8.7 out of 10; our editors rank them #4 and #8.

RelativityOne is the better fit for established cloud litigation teams. Rational Review is the better fit for integrated legal hold and review workflows.

  • RelativityOne fits best

    Established cloud litigation teams

  • Rational Review fits best

    Integrated legal hold and review workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature RelativityOne 9.1/10 Visit ↗ Rational Review 8.7/10 Visit ↗
At a glance
Editor score 9.1 8.7
Ranking #4 in eDiscovery Software #8 in eDiscovery Software
Best for Established cloud litigation teams Integrated legal hold and review workflows
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan — Not checked yet
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Support Phone, Docs · 24/7 Phone
Compliance SOC 2, ISO 27001, HIPAA SOC 2, ISO 27001, HIPAA, 2FA, SSO/SAML
Integrations 11 integrations 3 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features RelativityOne 0/4 · Rational Review 4/4
Legal hold Not checked yet ✓ (best)
Redaction tools Not checked yet ✓ (best)
Predictive coding Not checked yet ✓ (best)
Audit log Not checked yet ✓ (best)
Specs
Processing limit Not checked yet Not checked yet
Production formats Not checked yet Not checked yet
Our review
Pros
  • Covers legal hold through review, redaction, and production
  • Connects with Microsoft 365, Slack, Box, and other enterprise sources
  • Includes email threading, analytics, AI-assisted review, and native viewing
  • Covers legal hold, collection, review, redaction, and production
  • Includes predictive coding, clustering, and communication analysis
  • Supports native, PDF, TIFF, JPEG, and load-file production
Cons
  • Pricing requires a request to sales
  • No free plan is offered
  • Broad functionality may exceed the needs of narrow eDiscovery projects
  • Pricing is handled through sales inquiries
  • Integration fit centers on three named platforms
  • Its broad feature set may exceed narrow review needs
Our verdict

RelativityOne is a cloud-based legal data intelligence and eDiscovery platform for law firms, corporations, and legal service providers. It brings legal hold and preservation, enterprise data collection, processing, document review,…

Read the review →

Rational Review is a cloud-optimized eDiscovery platform for law firms, corporate legal departments, government agencies, and regulated organizations. It brings legal hold issuance, custodian tracking, preservation, collection, processing,…

Read the review →
  1. RelativityOneeDiscovery Software 9.1Pricing on request
  2. Rational RevieweDiscovery Software 8.7Pricing on request

Strengths and trade-offs

  • RelativityOne — where it wins

    • Covers legal hold through review, redaction, and production
    • Connects with Microsoft 365, Slack, Box, and other enterprise sources
    • Includes email threading, analytics, AI-assisted review, and native viewing

    Where it doesn't

    • Pricing requires a request to sales
    • No free plan is offered
    • Broad functionality may exceed the needs of narrow eDiscovery projects

  • Rational Review — where it wins

    • Covers legal hold, collection, review, redaction, and production
    • Includes predictive coding, clustering, and communication analysis
    • Supports native, PDF, TIFF, JPEG, and load-file production

    Where it doesn't

    • Pricing is handled through sales inquiries
    • Integration fit centers on three named platforms
    • Its broad feature set may exceed narrow review needs

More comparisons

All ediscovery software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update