Onna vs Relativity vs eZReview Comparison
Onna
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Medium Business
Onna's powerful eDiscovery software makes it easy to sort and pinpoint relevant information from large data sets. The platform is used by law firms, corporations, government agencies, and educational institutions to mana…
Relativity
Starting at Contact for pricing
- Medium Business
- Small Business
Relativity is a eDiscovery platform purpose-built from the ground up to deliver immediate insights through a single search box. It transforms legal review with powerful, easy-to-use functionality and eliminates costly de…
eZReview
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Medium Business
eZReview is affordable, easy to use, e-Discovery Software for online review and collaboration. eZReview allows user to view, annotate, comment, discuss and electronically sign documents on computers or mobile devices. eZ…
Relativity leads on user satisfaction with a 4.5-star rating across 260 reviews.
Onna vs Relativity vs eZReview — at a glance
| Feature | Onna | Relativity | eZReview |
|---|---|---|---|
| Rating | 4.0 / 5 | 4.5 / 5 | — |
| Reviews | 1 | 260 | — |
| Starting price | Contact for pricing | Contact for pricing | Contact for pricing |
| Free trial | Yes | No | Yes |
| Free version | No | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | eDiscovery Software | eDiscovery Software | eDiscovery Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows, Installed - Mac | SaaS/Web/Cloud, Installed - Windows | SaaS/Web/Cloud |
| API | Available | Available | — |
| Support modes | Business Hours, Online | 24/7 (Live rep), Business Hours, Online | 24/7 (Live rep), Online |
| Certifications | SOC 2, HIPAA, GDPR, ISO 27001 | SOC 2, HIPAA, GDPR, ISO 27001 | — |
| Data residency | US | US | US |
Key differences between Onna and Relativity
- Free trial: Onna offers a free trial; Relativity does not.
- Target audience: Onna is built for Large Enterprises and Medium Business, while Relativity targets Medium Business and Small Business.
- User satisfaction: Relativity scores higher with a 4.5-star average.
- Deployment: Onna supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac; Relativity supports SaaS/Web/Cloud, Installed - Windows.
Compare Onna vs Relativity vs eZReview — and walk away knowing which one fits.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most eDiscovery Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | eZReviewMigrated to Knovos Discovery Compare Knovos Discovery Compare Knovos Discovery |
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Biggest differences
Start here before you go deeper into features.
Best for legal teams needing advanced eDiscovery with strong data integration.
- You require comprehensive data integration from multiple diverse sources.
- Your team needs advanced search and in-depth data analysis capabilities.
- Data security and regulatory compliance are top priorities for your organization.
- Your team lacks dedicated support to onboard and manage complex features.
- You need extensive third-party app integrations beyond Onna’s limited marketplace.
Best for legal teams needing comprehensive, user-friendly eDiscovery with large data handling.
- You are a litigation attorney or legal review team requiring powerful, intuitive eDiscovery tools.
- Your organization handles complex legal reviews and needs immediate insights via a single search box.
- You want a platform that efficiently processes large volumes of data without IT mediation.
- Your company lacks dedicated legal or eDiscovery teams to leverage the platform effectively.
- You require rapid feature updates on server versions, as these lag behind the cloud offering.
Affordable, user-friendly e-discovery software for collaborative legal document review.
- You need a cost-effective solution for legal or compliance document review.
- Your team requires mobile support for reviewing, annotating, and signing documents.
- You want a simple, streamlined tool that automates e-discovery without disrupting workflows.
- You require advanced e-discovery features or extensive third-party integrations.
- You need transparent pricing details and verified user feedback before purchasing.
Onna: Best for legal teams needing advanced eDiscovery with strong data integration. Relativity: Best for legal teams needing comprehensive, user-friendly eDiscovery with large data handling.
Description | Onna's powerful eDiscovery software makes it easy to sort and pinpoint relevant information from large data sets. The platform is used by law firms, corporations, government agencies, and ... Read More about Onna | Relativity is a eDiscovery platform purpose-built from the ground up to deliver immediate insights through a single search box. It transforms legal review with powerful, easy-to-use ... Read More about Relativity | eZReview is affordable, easy to use, e-Discovery Software for online review and collaboration. eZReview allows user to view, annotate, comment, discuss and electronically sign documents on ... Read More about eZReview |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 8.3/10 | 9.8/10 | 8.2/10 |
User RatingsBased on verified Spotsaas reviews | |||
Best Company Size | Medium BusinessLarge Enterprises | Small BusinessMedium Business | 51-500 employees500+ employees |
Get pricing help | Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Onna, Relativity and eZReview Compare on Features?
Total Features | 7 Features | 9 Features | 9 Features |
|---|---|---|---|
Unique Features | No unique features | No unique features | No unique features |
Get Quote | Get Quote | Get Quote |
Compare Onna, Relativity and eZReview on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Pricing Page | Pricing information not available | Pricing information not available |  |
Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | ✓ Yes | — |
|---|---|---|---|
HIPAA | ✓ Yes | ✓ Yes | — |
GDPR | ✓ Yes | ✓ Yes | — |
ISO 27001 | ✓ Yes | ✓ Yes | — |
Single Sign-On (SSO) | ✓ Yes | ✓ Yes | — |
Multi-Factor Auth (MFA) | ✓ Yes | ✓ Yes | — |
Data Encryption | ✓ Yes | ✓ Yes | — |
Audit Logs | ✓ Yes | ✓ Yes | — |
Data Residency | 🇺🇸 US | 🇺🇸 US | 🇺🇸 US |
Onna vs Relativity User Reviews & Rating Comparison
User Ratings | No reviews available for the product | ||
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Rating Distribution | No reviews available for this product | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users generally appreciate Onna's powerful data integration and search capabilities, though some find the feature set complex and the marketplace limited. What buyers like
Common complaints
| Buyer sentiment Overall positive sentiment highlights Relativity's robust functionality and user-friendly interface, tempered by some concerns about server version feature gaps and support communication. What buyers like
Common complaints
| Buyer sentiment No user reviews or ratings available to assess buyer sentiment. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots |  7 Screenshots |  8 Screenshots |  1 Screenshots |
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Videos |  3 Videos |  2 Videos |  1 Videos |
Alternatives
Alternatives |
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Related Blogs and Articles for Ediscovery Software
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Onna or Relativity?
- Relativity edges out the other on user ratings (4.5 vs 4.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Onna and Relativity offer a free trial?
- Onna offers a free trial. Relativity does not.
- What is the starting price of Onna vs Relativity?
- Onna starts at Contact for pricing. Relativity starts at Contact for pricing.
- What are the top alternatives to Onna?
- Top alternatives to Onna include Logikcull, Relativity, CasePoint, Cavo eD, Catalyst Insight.
- What are the top alternatives to Relativity?
- Top alternatives to Relativity include Logikcull, Cavo eD, Catalyst Insight, Everlaw, Z-Discovery.