RelativityOne vs CloudNine

RelativityOne9.4Visit CCloudNine8.8Visit

Higher score RelativityOne #1 in Legal eDiscovery Software 9.4/10 Pricing on request ✓ 3 of 3 features Visit RelativityOne

vs

C CloudNine #5 in Legal eDiscovery Software 8.8/10 Pricing on request · 30-day trial Free trial✓ 3 of 3 features Visit CloudNine

• RelativityOne fits best

  Teams wanting a mature cloud eDiscovery platform

• CloudNine fits best

  Organizations handling modern and traditional data

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 9.4/10 Visit ↗	CCloudNine 8.8/10 Visit ↗
At a glance
Editor score	9.4	8.8
Ranking	#1 in Legal eDiscovery Software	#5 in Legal eDiscovery Software
Best for	Teams wanting a mature cloud eDiscovery platform	Organizations handling modern and traditional data
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request · 30-day trial
Free plan	—	—
Free trial	—	30 days
Deployment	Cloud	Cloud, Self-hosted
Platforms	Web	Web, Windows
Support	Phone, Docs · 24/7	Email, Phone, Tickets, Docs
Compliance	SOC 2, ISO 27001, HIPAA	ISO 27001
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features RelativityOne 3/3 · CloudNine 3/3
Native file viewer	✓	✓
Email threading	✓	✓
Automated redaction	✓	✓
Specs
Deployment	Vendor cloud	Not checked yet
Supported data sources	Bloomberg, Box, Cellebrite, ChatGPT Enterprise, Claude, Google Workspace, iManage, Microsoft 365, Refinitiv Eikon, Slack, X1	Email, documents, spreadsheets, records, SMS/text messages, WhatsApp, WeChat, Facebook Messenger, Slack, Microsoft Teams, Google Chat, Facebook, X, TikTok, Instagram, mobile-device data, computer artifacts, and cloud-service data
Production formats	TIFF, text, metadata, load files, native plus placeholder	PDF, TIFF, JPG, RSMF, native files, text files, DAT, CSV, XML, and load files
Included storage	Not checked yet	Not checked yet
Our review
Pros	Covers legal hold, collection, processing, review, redaction, and production Connects with Microsoft 365, Slack, Box, Bloomberg, and other enterprise sources Includes email threading, AI-assisted review, automated redaction, and native viewing	Supports email, chats, texts, social media, and device artifacts Combines OCR, deduplication, threading, and advanced search Offers native review, redaction, and multiple production formats
Cons	Pricing requires a request and does not show public numeric plan prices The broad workflow scope may exceed the needs of focused eDiscovery teams Vendor-cloud deployment may not suit teams seeking open-source software	Paid pricing requires contacting CloudNine There is no free plan The platform is listed for web and Windows
Our verdict	RelativityOne is a cloud-based legal data intelligence and eDiscovery platform for law firms, corporations, and legal service providers. Its workflow spans legal hold and preservation, collection from enterprise sources, document and email… Read the review →	CloudNine provides eDiscovery software for law firms, corporations, government agencies, and legal service providers. CloudNine Review supports the ingestion, searching, review, redaction, and production of traditional and modern data,… Read the review →

Strengths and trade-offs

• RelativityOne — where it wins

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

  Where it doesn't

  • Pricing requires a request and does not show public numeric plan prices
  • The broad workflow scope may exceed the needs of focused eDiscovery teams
  • Vendor-cloud deployment may not suit teams seeking open-source software

• CloudNine — where it wins

  • Supports email, chats, texts, social media, and device artifacts
  • Combines OCR, deduplication, threading, and advanced search
  • Offers native review, redaction, and multiple production formats

  Where it doesn't

  • Paid pricing requires contacting CloudNine
  • There is no free plan
  • The platform is listed for web and Windows

• RelativityOne9.4/10 · Pricing on request

  A mature cloud eDiscovery platform spanning legal hold, review, AI workflows, and production.

  Visit RelativityOneFull verdict →
• CCloudNine8.8/10 · Pricing on request · 30-day trial

  A broad eDiscovery platform for modern and traditional evidence, with contact-sales pricing.

  Visit CloudNineFull verdict →