4 Better Onna Alternatives (Free & Paid Options) 2026
Not sure if Onna is right for you? Here are the best e-discovery alternatives to consider in 2026.
About Onna
AI-powered knowledge integration for ediscovery and compliance
Feature Comparison
| Tool | Rating | Pricing | Key Features | |
|---|---|---|---|---|
| Onna (current) | ★ 4.3 | enterprise | Multi-platform data collection, AI-powered classification and assessment, Cross-platform search and analysis | View |
| Everlaw | ★ 4.7 | enterprise | AI-powered document review, Predictive coding, Case strategy AI assistant | View |
| Logikcull | ★ 4.2 | paid from $500/matter | Instant data upload and processing, AI-powered document review, Automated legal holds | View |
| Relativity (RelativityOne) | ★ 4.6 | enterprise | AI-powered active learning, Structured analytics, Full e-discovery lifecycle management | View |
| CS Disco | ★ 4.5 | enterprise | AI-assisted document review and prioritization, End-to-end ediscovery workflow, AI Q&A interface (Cecilia) | View |
Detailed Look at Each Alternative
1. Everlaw
★ 4.7/5Everlaw is a leading cloud-native e-discovery platform that uses AI to accelerate document review, predictive coding, and case strategy development. Its AI features synthesize evidence and brainstorm case strategy in real-time, moving seamlessly from discovery to first draft. Trusted by top law firms and government agencies.
- ✅ Industry-leading e-discovery AI
- ✅ Intuitive user interface
- ✅ Strong collaboration features
- ❌ Enterprise pricing
- ❌ Can be expensive for smaller cases
2. Logikcull
★ 4.2/5Logikcull simplifies e-discovery with an easy-to-use cloud platform that offers instant data upload, AI-powered review, and automated legal hold management. Designed to make e-discovery accessible without specialized training, it's ideal for corporate legal teams and smaller firms handling litigation.
- ✅ Very easy to use
- ✅ Quick setup with no training needed
- ✅ Transparent per-matter pricing
- ❌ Less powerful than Relativity for complex cases
- ❌ Limited advanced analytics
3. Relativity (RelativityOne)
★ 4.6/5RelativityOne is the cloud version of the industry-standard e-discovery platform, featuring AI-powered analytics, structured analytics, and active learning for document review. It handles the full e-discovery lifecycle from data processing to production, with robust security and compliance certifications.
- ✅ Industry standard platform
- ✅ Comprehensive feature set
- ✅ Strong ecosystem of integrations
- ❌ Steep learning curve
- ❌ Premium pricing
4. CS Disco
★ 4.5/5CS Disco is a leading AI-powered ediscovery platform that helps legal teams find relevant evidence faster. Disco's AI applies machine learning to document review, enabling attorneys to quickly identify key documents, privilege issues, and relevant communications within massive data sets. The platform is used by law firms, corporate legal departments, and government agencies to manage discovery in litigation, investigations, and regulatory matters. What distinguishes Disco is its focus on speed and usability. Its AI-assisted review can prioritize documents by relevance, identify patterns and relationships across document sets, and suggest coding decisions to accelerate the review process. The platform includes end-to-end ediscovery capabilities from data ingestion and processing through document review and production. Disco also offers Cecilia, an AI-powered Q&A interface that lets attorneys ask natural language questions about their document sets and receive cited answers — essentially conducting an AI deposition of their evidence.
- ✅ Fast, intuitive AI-assisted review
- ✅ Strong AI Q&A capability for evidence
- ✅ Comprehensive end-to-end platform
- ❌ Enterprise pricing model
- ❌ Best value on large document sets