eZReview vs Onna Comparison
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
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…
Onna leads on user satisfaction with a 4.0-star rating across 1 reviews.
SpotSaaS Analysis
eZReviewOnna
The core difference between eZReview and Onna lies in eZReview's focus on affordability and user-friendliness for collaborative document review, while Onna offers advanced eDiscovery capabilities with strong data integration features. eZReview is ideal for teams seeking a cost-effective solution for legal document review, whereas Onna is best suited for legal teams that require comprehensive data integration and advanced analytical tools.
- Affordable e-discovery software - User-friendly interface - Ideal for collaborative document review - Suitable for teams of 51-500 and 500+ employees - Offers mobile support for document management - Cost-effective solution for legal and compliance needs
- Advanced eDiscovery capabilities - Strong data integration from diverse sources - Ideal for medium to large enterprises - Advanced search functionalities - In-depth data analysis tools - Best for legal teams requiring comprehensive solutions
eZReview vs Onna — at a glance
| Feature | eZReview | Onna |
|---|---|---|
| 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 | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | — | Available |
| Support modes | 24/7 (Live rep), Online | Business Hours, Online |
| Certifications | — | SOC 2, HIPAA, GDPR, ISO 27001 |
| Data residency | US | US |
Key differences between eZReview and Onna
- Deployment: eZReview supports SaaS/Web/Cloud; Onna supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
eZReview vs Onna — 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.
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.
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.
eZReview: Affordable, user-friendly e-discovery software for collaborative legal document review. Onna: Best for legal teams needing advanced eDiscovery with strong data integration.
Description | 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 | 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 |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 8.2/10 | 8.3/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 51-500 employees500+ employees | Medium BusinessLarge Enterprises |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do eZReview and Onna Compare on Features?
Total Features | 9 Features | 7 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare eZReview and Onna 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 |
eZReview 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 No user reviews or ratings available to assess buyer sentiment. What buyers like
Common complaints
| 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
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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 | ![]() 1 Screenshots | ![]() 7 Screenshots |
|---|---|---|
Videos | ![]() 1 Videos | ![]() 3 Videos |
Top Alternatives to eZReview and Onna 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, eZReview or Onna?
- 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 eZReview and Onna offer a free trial?
- Yes, both eZReview and Onna offer a free trial.
- What is the starting price of eZReview vs Onna?
- eZReview starts at Contact for pricing. Onna starts at Contact for pricing.
- What are the top alternatives to eZReview?
- Top alternatives to eZReview include Logikcull, Relativity, Cavo eD, Catalyst Insight, Exterro.
- What are the top alternatives to Onna?
- Top alternatives to Onna include Logikcull, Relativity, CasePoint, Cavo eD, Catalyst Insight.







