Onna 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…
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…
Onna leads on user satisfaction with a 4.0-star rating across 1 reviews.
SpotSaaS Analysis
OnnaeZReview
The core difference between Onna and eZReview lies in Onna's focus on advanced eDiscovery with robust data integration capabilities, making it ideal for larger legal teams, while eZReview offers a more affordable and user-friendly solution suitable for collaborative document review. Onna is best for medium to large enterprises needing comprehensive data analysis, whereas eZReview is perfect for teams seeking cost-effective mobile support for document management.
Who should pick which
- Advanced eDiscovery capabilities:
- Strong data integration from diverse sources:
- Ideal for medium to large enterprises:
- In-depth data analysis features:
- Best for legal teams:
- Comprehensive search functionality:
- Affordable e-discovery software:
- User-friendly interface:
- Suitable for collaborative document review:
- Mobile support for document management:
- Best for teams needing cost-effective solutions:
- Ideal for legal and compliance purposes:
Onna vs eZReview — at a glance
| Feature | Onna | eZReview |
|---|---|---|
| Rating | 4.0 / 5 | — |
| Reviews | 1 | — |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | Yes | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | eDiscovery Software | eDiscovery Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows, Installed - Mac | SaaS/Web/Cloud |
| API | Available | — |
| Support modes | Business Hours, Online | 24/7 (Live rep), Online |
| Certifications | SOC 2, HIPAA, GDPR, ISO 27001 | — |
| Data residency | US | US |
Key differences between Onna and eZReview
- Deployment: Onna supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac; eZReview supports SaaS/Web/Cloud.
Onna vs eZReview — find the better fit before you commit.
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
![]() eZReviewMigrated to Knovos Discovery Compare Knovos Discovery Compare Knovos Discovery |
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.
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. eZReview: Affordable, user-friendly e-discovery software for collaborative legal document review.
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 | 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 | 8.2/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Medium BusinessLarge Enterprises | 51-500 employees500+ employees |
Get pricing help | Get pricing help |
Software Demo
Demo |
|---|
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How do Onna and eZReview Compare on Features?
Total Features | 7 Features | 9 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Onna 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.
Pricing Option | ||
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Pricing Plans |
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Pricing Page | 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 |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | — |
|---|---|---|
HIPAA | ✓ Yes | — |
GDPR | ✓ Yes | — |
ISO 27001 | ✓ Yes | — |
Single Sign-On (SSO) | ✓ Yes | — |
Multi-Factor Auth (MFA) | ✓ Yes | — |
Data Encryption | ✓ Yes | — |
Audit Logs | ✓ Yes | — |
Data Residency | 🇺🇸 US | 🇺🇸 US |
Onna User Reviews & Rating Comparison
User Ratings | No reviews available for the product | |
|---|---|---|
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 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 |
Media and Screenshots
Screenshots | ![]() 7 Screenshots | ![]() 1 Screenshots |
|---|---|---|
Videos | ![]() 3 Videos | ![]() 1 Videos |
Top Alternatives to Onna and eZReview in 2026
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 eZReview?
- Onna edges out the other on user ratings (4.0 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Onna and eZReview offer a free trial?
- Yes, both Onna and eZReview offer a free trial.
- What is the starting price of Onna vs eZReview?
- Onna starts at Contact for pricing. eZReview 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 eZReview?
- Top alternatives to eZReview include Logikcull, Relativity, Cavo eD, Catalyst Insight, Exterro.







