Skip to main content

After a thorough evaluation, I've shortlisted these as the very best legal document comparison software to use in 2023:

  1. Legito - Best for intuitive contract lifecycle management
  2. UltraCompare - Best for detailed, side-by-side document comparison
  3. LegalSifter - Best for leveraging artificial intelligence in contract review
  4. Luminance - Best for accelerating due diligence process
  5. Legal Track Software - Best for case and matter management for in-house legal teams
  6. Draftable - Best for easy-to-navigate comparison viewer
  7. Conga - Best for comprehensive legal document automation
  8. Drafting Assistant by Thomson Reuters - Best for legal research and citation checking
  9. Kira Systems - Best for machine learning-driven contract analysis
  10. DISCO - Best for cloud-based e-discovery solution
  11. Legal Suite - Best for overall legal operations management
  12. Litera - Best for robust legal document drafting and review

Navigating through the often-overwhelming world of legal document comparison, I understand the complexities you're facing. These legal document comparison software providers take the heavy lifting off your shoulders.

They streamline the process of comparing and analyzing various legal documents. More than just time savers, they reduce the risk of errors, have drag-and-drop features, profitability, easy-to-understand redline versions, OCR module, boost productivity, and offer peace of mind. With these tools, you can kiss goodbye to the laborious manual comparison of documents, and say hello to a more efficient, accurate, and reliable way of working.

Legal document comparison software is an essential tool for legal professionals, including lawyers, paralegals, and legal departments within organizations. It's designed to identify and highlight the differences between two or more legal documents - think contracts, agreements, or legal forms.

The software simplifies the often tedious task of manual comparison, which can be prone to human error. This becomes especially useful when reviewing legal information versions of document metadata, identifying unauthorized changes, or ensuring compliance with legal standards. Not only does this technology save time, but it also significantly enhances accuracy and efficiency in the legal document review process.

Overviews of the 12 Best Document Comparison Software

1. Legito - Best for intuitive contract lifecycle management

Sample photo for Legito's dashboard, highlighting recent documents, contractor agreement, loan agreement, lease agreement, employment contract and last will.
Legito's dashboard shows recent documents, as well as creating and opening agreements, contracts and/or wills.

Why I Picked Legito:

Legito stands out for its powerful contract lifecycle management capability, making it my top pick for this list. I found its user-friendly interface and automation features particularly impressive. Given the critical nature of managing legal contracts, I believe Legito excels in providing an intuitive platform that simplifies this complex process. Its capability to automate and manage contracts from creation to renewal makes it the best choice for intuitive contract lifecycle management.

Standout features & integrations:

Legito brings to the table some really impressive features like automated template drafting, document management, and contract deadline reminders. The platform also shines with its ability to facilitate team collaboration, allowing multiple users to work on a single document. In terms of integrations, it aligns well with commonly used platforms, making it compatible with Google Drive, MS Office, Dropbox, and integrating nicely with CRMs like Salesforce.


Legito's pricing begins from $20/user/month (billed annually), making it a reasonably priced option given its robust set of features.


  • Strong contract lifecycle management capability
  • User-friendly interface and easy to navigate
  • Efficient team collaboration on a single document


  • Annual billing instead of monthly can be restrictive for some users
  • Advanced features might need a learning curve
  • The mobile application for android and iOS could do with improvements

2. UltraCompare - Best for detailed, side-by-side document comparison

Sample reference for UltraCompare's file comparison feature.
Here is a sample photo highlighting that UltraCompare performs file comparison, merge and sync functions over FTP connections as well as network shares.

UltraCompare is a multi-faceted utility that goes beyond just comparing text files. It specializes in rendering a side-by-side comparison, offering an in-depth analysis of differences between documents.

Why I Picked UltraCompare:

I selected UltraCompare for its versatility and its exceptional functionality of displaying side-by-side comparisons. It truly stands out when it comes to visualizing changes and comparing files. I regard UltraCompare as the "Best for..." detailed, side-by-side document comparison, based on its ability to dissect even the most complex documents in an easily digestible format.

Standout features & integrations:

UltraCompare impresses with its three-way compare feature, allowing users to view differences across three documents simultaneously. It also supports folder comparison, offering a holistic view of pdf files within a directory. Its integrations, though, are more limited. The software integrates primarily with the IDM All-Access suite, which includes several related products such as UltraEdit, UEStudio, and UltraFTP.


UltraCompare is priced at $4.99/user/month (billed annually), making it an affordable option for those in need of detailed, side-by-side document comparison.


  • Detailed side-by-side comparison of documents
  • Capability to perform a three-way compare
  • Offers folder comparison for a more comprehensive view


  • Limited integrations, primarily restricted to the IDM suite
  • The user interface can seem dated to some
  • Could be overkill for those looking for basic comparison functionality

3. LegalSifter - Best for leveraging artificial intelligence in contract review

Sample photo for Luminance website.
Here's a screenshot of the LegalSifter website highlighting their mission.

LegalSifter is an advanced contract review solution that harnesses the power of artificial intelligence. It's designed to accelerate the contract review process by using AI to detect key points and potential issues.

Why I Picked LegalSifter:

In choosing LegalSifter, I was particularly drawn to its artificial intelligence capabilities, which significantly enhance the contract review process. It stands apart from other software with its AI-powered "Sifters," which automatically identify key terms and potential concerns within contracts. Based on this, I believe LegalSifter is the best choice for those looking to leverage artificial intelligence in contract review.

Standout features & integrations:

LegalSifter's AI-driven features include quick identification of key terms, suggestions for standard language, and risk assessment. These advanced capabilities can help users save time and reduce risks associated with contract review. On the integration front, LegalSifter offers a robust API for custom integrations and is also designed to work smoothly with platforms like Google Drive and Dropbox.


LegalSifter's pricing starts from $69/user/month, positioning it as a premium tool with advanced AI functionality.


  • Utilizes artificial intelligence to enhance contract review
  • Offers risk assessment and language suggestions
  • Robust API for custom integrations


  • Premium pricing may be prohibitive for smaller teams
  • May require training to maximize the use of AI features
  • Limited pre-built integrations with third-party tools

4. Luminance - Best for accelerating due diligence process

Sample interface for Luminance, focusing on types and number of documents, clauses, languages, etc..
Here is a sample of how Luminance's interface looks like.

Luminance is an AI-powered legal document comparison tool designed to expedite the due diligence process. It employs advanced machine learning algorithms to analyze, understand and draw insights from vast sets of legal documents.

Why I Picked Luminance:

In my quest for a tool that could revolutionize due diligence, I was swayed by Luminance's AI capabilities. This software stood out from the crowd with its potential to slash the time spent on analyzing and comparing complex legal documents, making it the best for those aiming to speed up their due diligence process.

Standout features & integrations:

Luminance's platform uses machine learning to automatically sort, cluster, and classify legal documents, enabling users to spot trends, anomalies, and risks with ease. Its language-agnostic capability is also a standout, enabling the analysis of documents in any language. In terms of integrations, Luminance can easily be integrated with existing workflows and works seamlessly with major document management systems.


Pricing for Luminance is available upon request.


  • AI capabilities expedite document review process
  • Language-agnostic feature allows for analysis of documents in any language
  • Integration with existing workflows and major document management systems


  • Pricing is not publicly available
  • May require a learning curve to fully understand and utilize AI functionalities
  • Lack of a transparent pricing model could make budget planning challenging
Sample format for Legal Track Software.
Here is the format when listing details for Legal Track Software.

Legal Track Software is a cloud-based platform designed to assist in-house legal teams with case and matter management. Its comprehensive suite of tools is meant to streamline legal processes, providing a centralized location for case tracking, matter management, and more.

Why I Picked Legal Track Software:

When it came to choosing a tool that excels in case and matter management, I found Legal Track Software to be a top contender. Its holistic approach to managing legal matters sets it apart from other platforms. With an emphasis on efficiency, Legal Track Software is best suited for in-house legal teams looking to improve their workflow and case management processes.

Standout features & integrations:

Legal Track Software offers features such as a centralized case repository, document management, and time tracking, which are crucial for efficient case management. It also provides features for managing emails and calendar appointments, adding to its holistic approach toward case management. The software is designed to integrate smoothly with Microsoft Office 365, which is widely used by legal teams, ensuring that existing workflows are not disrupted.


The pricing for Legal Track Software starts from $45/user/month (billed annually).


  • Centralized case repository allows for efficient case tracking
  • Integration with Microsoft Office 365 ensures compatibility with existing workflows
  • Comprehensive feature suite provides tools for various aspects of case management


  • Higher starting price compared to other tools
  • The interface may seem complex for first-time users
  • Pricing is only available when billed annually

6. Draftable - Best for easy-to-navigate comparison viewer

Sample photo for Draftable's website.
Here is how the Draftable website looks like.

Draftable is a document comparison tool that enables users to spot differences between two versions of a document quickly and efficiently. Its specialty is the easy-to-navigate comparison viewer, which simplifies the process of finding and analyzing changes between document versions.

Why I Picked Draftable:

I selected Draftable for its exceptional user-friendly comparison viewer. The ability to easily navigate and clearly visualize differences sets Draftable apart in a crowded field. It's clear why Draftable is best for those needing an easy-to-navigate comparison viewer, its intuitive design eliminates confusion and speeds up the process of comparison.

Standout features & integrations:

Draftable's most useful features are its side-by-side comparison viewer and color-coded highlighting of changes. These features take the guesswork out of identifying document differences. Draftable also provides integrations with popular platforms such as Google Drive, Dropbox, Microsoft Word, PowerPoint, and Outlook enabling users to perform comparisons directly within these applications.


Pricing for Draftable starts from $9/user/month (billed annually).


  • User-friendly interface enables quick navigation
  • Integration with popular platforms like Google Drive and Microsoft Word adds to convenience
  • Effective highlighting of changes aids in faster identification of differences


  • May lack advanced features found in more comprehensive document comparison tools
  • Monthly payment option not available
  • Does not support as many file formats as some other tools
Conga's dashboard highlighting agreements, document packages, viewed contracts, recently viewed companies, as well as approved services.
Here's Conga's main dashboard.

Conga is a robust software solution that is built to streamline and automate document processes for legal professionals. The software offers a comprehensive suite of tools for document generation, contract management, and reporting. Its strength lies in comprehensive legal document automation, making it an excellent fit for legal teams who handle a high volume of complex documentation.

Why I Picked Conga:

I chose Conga for its extensive features designed specifically for legal document automation. Compared to other solutions, Conga offers a broader range of automation capabilities, which is particularly beneficial for large in-house teams and firms that handle complex legal work. In my judgment, Conga is the best choice for those who require a comprehensive solution for legal document automation.

Standout features & integrations:

Conga's primary feature is its powerful document automation tool, which allows users to generate, track, and manage documents all from one platform. Additionally, the software integrates seamlessly with Salesforce, allowing for even greater automation capabilities within a familiar platform.


Pricing for Conga starts from $20/user/month (billed annually).


  • Offers comprehensive document automation features
  • Seamless integration with Salesforce enhances utility
  • Robust management and tracking features help to streamline legal work


  • The learning curve may be steep for those unfamiliar with comprehensive software solutions
  • The pricing can be higher compared to simpler, more focused solutions
  • Limited integrations with other CRM platforms beyond Salesforce
Drafting Assistant by Thomson Reuters sample drafting photo.
Here is a sample of drafting in Drafting Assistant by Thomson Reuters.

Drafting Assistant by Thomson Reuters is a comprehensive legal writing tool designed to improve the quality and efficiency of legal drafting. It provides advanced legal research capabilities and ensures accuracy in citations, making it ideal for legal professionals who need to draft detailed, well-researched documents.

Why I Picked Drafting Assistant by Thomson Reuters:

Drafting Assistant stood out to me because of its excellent citation checking and legal research capabilities. Its integration with Westlaw, one of the most comprehensive legal databases, sets it apart from other legal drafting tools. In my comparison of several options, I determined that Drafting Assistant is best for those needing superior support in legal research and citation checking.

Standout features & integrations:

Drafting Assistant's most valuable feature is its citation checking tool, which helps verify the accuracy and currency of case law citations. The tool also integrates seamlessly with Westlaw, providing access to an extensive legal research database directly from the drafting interface.


Drafting Assistant's pricing starts from $80/user/month.


  • Superior citation checking tool ensures accurate references
  • Integration with Westlaw enables efficient legal research
  • Improves the efficiency of legal drafting


  • Higher pricing compared to other drafting tools
  • Limited utility for legal teams not requiring intensive research
  • Requires an existing Westlaw subscription for full functionality

9. Kira Systems - Best for machine learning-driven contract analysis

Dashboard for Kira Systems focused on documents, as well as OCR quality and process statuses.
Here is the Kira Systems dashboard.

Kira Systems is a leading AI-powered software that revolutionizes contract analysis. With its machine learning capabilities, it helps legal teams review contracts faster and more accurately, making it the top choice for those seeking an intelligent, automated contract analysis solution.

Why I Picked Kira Systems:

Kira Systems emerged as a clear choice due to its advanced machine-learning capabilities that offer a significant edge in contract analysis. This platform has been developed to 'learn' and improve over time, thereby becoming more precise and effective. In my judgment, Kira Systems' unique AI-powered system makes it best suited for those seeking thorough, automated contract analysis.

Standout features & integrations:

Kira Systems' core feature is its ability to recognize and extract over a thousand different data points from contracts, which saves significant time in contract review. It also offers integration with other legal tech platforms like NetDocuments, iManage, and HighQ, facilitating smoother workflow management.


The pricing information for Kira Systems is not publicly available and needs to be obtained upon request.


  • Uses advanced machine learning for contract analysis
  • Can extract a wide range of data points from contracts
  • Integrates with other major legal tech platforms


  • Pricing is not transparent; needs to be requested
  • May have a learning curve for those new to AI-powered systems
  • High-level features might be overkill for smaller teams

10. DISCO - Best for cloud-based ediscovery solution

Sample reference for DISCO's website.
Here is how DISCO's website is looking like.

DISCO is a cloud-based ediscovery platform designed to help legal professionals manage the discovery phase of litigation more effectively. With its speed and precision, DISCO is particularly useful for those requiring a reliable and efficient cloud-based solution for the discovery process.

Why I Picked DISCO:
In the selection process, DISCO emerged as an exceptional solution, primarily due to its innovative cloud-based approach to ediscovery. It's built for speed and efficiency, and its user-friendly interface makes it stand out in the crowded ediscovery market. Therefore, I chose DISCO as it is particularly effective for law firms and legal departments that require a swift, precise, and cloud-based ediscovery tool.

Standout features & integrations:
DISCO's key features include its fast document processing, advanced search capabilities, and AI-powered predictions. Furthermore, it integrates well with a range of other software tools, such as Slack and Google Workspace, further enhancing its functionality and ease of use.

DISCO adopts a transparent and straightforward pricing model. It charges $35/GB/month, which covers all the platform's primary features and functions. Note that this pricing structure may favor larger cases as it charges based on data volume rather than per user.


  • Fast document processing speeds
  • AI-powered predictions for enhanced precision
  • Easy integrations with tools like Slack and Google Workspace


  • Pricing based on data volume may not be suitable for smaller cases
  • Some users may find it less suitable for highly complex cases
  • The interface, though user-friendly, might require some time for new users to get used to
Registration tab for Legal Suite.
Here is a sample reference when signing up on Legal Suite.

Legal Suite is a comprehensive software platform that provides a wide range of solutions for legal operations. Whether it's contract management, litigation management, or corporate legal administration, Legal Suite has got it covered, making it a great choice for overall legal operations management.

Why I Picked Legal Suite:
When it came to picking a tool for comprehensive legal operations, Legal Suite stood out due to its broad scope of features and solutions. The platform offers a comprehensive range of legal management modules, distinguishing itself from other software that might only specialize in one area. I chose Legal Suite for the list because of its all-in-one nature, making it suitable for overall legal operations management.

Standout features & integrations:
Key features of Legal Suite include contract management, corporate legal management, and litigation tracking. The platform also has excellent integration capabilities, and it can seamlessly interoperate with enterprise resource planning (ERP) and customer relationship management (CRM) systems, enhancing its overall utility.

Legal Suite's pricing starts from $30/user/month. This is the base price for their basic package, with the final cost depending on the specific modules and features you require.


  • Comprehensive range of legal management modules
  • Good integration capabilities with ERP and CRM systems
  • Suitable for a wide variety of legal operations


  • Pricing can get expensive with additional modules and features
  • The wide range of features might be overwhelming for some users
  • Requires time to fully understand and utilize the platform to its maximum potential
Reference photo for Litera, highlighting the drafting process.
Here is a sample when drafting in Litera.

Litera is a potent legal technology solution designed to simplify the process of drafting, reviewing, and revision of legal documents. It supports legal professionals in creating high-quality documents efficiently, making it an ideal tool for robust legal document drafting and review.

Why I Picked Litera:
I selected Litera for this list primarily due to its sophisticated document drafting and reviewing capabilities. Its unique features and functionalities, such as document comparison, error identification, and style and formatting tools, set it apart from other tools. I determined that Litera is "best for" robust legal document drafting and review due to its comprehensive suite of tools specifically designed to simplify these processes.

Standout features & integrations:
Litera's core features include document drafting and editing, automatic legal proofreading, and robust document comparison. It also integrates well with Microsoft Office Suite, which enhances document drafting, editing, and collaboration.

Pricing for Litera starts at $20/user/month. Keep in mind this is the base price, and the final cost may vary depending on additional features or services required.


  • Robust document drafting and review capabilities
  • Effective integration with Microsoft Office Suite
  • Comprehensive legal proofreading features


  • The learning curve may be steep for some users
  • Cost may increase with additional features
  • Integration with non-windows software could be better

Below is a list of additional legal practice management software that I shortlisted, but did not make it to the top 12. Definitely worth checking them out.

  1. HyperLaw - Good for efficient case preparation and management
  2. docmoto - Good for secure document and email management in Mac environments
  3. DocuXplorer - Good for comprehensive document archiving and retrieval
  4. Lawgeex - Good for AI-powered contract review and approval
  5. Docusoft - Good for secure client data management and file storage
  6. ProJuris - Good for automating routine legal department operations

Selection Criteria

Having tried and evaluated dozens of legal technology tools, I found that some criteria matter more than others when it comes to the functionality and usability of these products. My focus was specifically on the ability of the tools to streamline legal operations, from document and contract management to legal case management.

Core Functionality

Legal tech tools should offer:

  • Legal Document Management: Ability to organize, store, and retrieve legal documents (pdf documents and word documents) efficiently.
  • Case Management: Tools to handle case workflows, tasks, and track case progress.
  • Contract Analysis: Automated tools to review and analyze contracts for compliance and risk.

Key Features

For legal tech tools, these features are essential:

  • Machine Learning and AI: For automated document and contract review and analysis.
  • Secure Client Portals: Allowing clients to access and share sensitive legal documents securely.
  • Integration Capabilities: The tool should be able to integrate with other legal and business software like CRM or accounting tools.
  • Compliance Management: Features that help ensure legal processes comply with regulatory standards.


The following are crucial for a legal tech tool’s usability:

  • User-friendly Interface: Legal tech tools should have an intuitive design that does not require extensive training to understand and use.
  • Collaborative Capabilities: The tool should allow multiple team members to work together on a single case or document, with changes updated in real-time.
  • Training and Support: Companies should offer comprehensive training materials and responsive customer support, especially given the nature of legal work.
  • Customizability: Since law firms and legal departments may have unique processes, the tool should offer a certain level of customization to cater to these specific needs.

People Also Ask (FAQs)

Legal document comparison software offers several advantages including:

  1. Enhanced accuracy: These tools minimize the risk of human error in document comparison.
  2. Time-saving: They significantly reduce the time taken to compare document types, freeing up valuable time for legal professionals.
  3. Improved productivity: With automated document comparison, legal teams can focus more on strategic tasks.
  4. Consistency: These tools ensure consistency in the comparison process, especially for larger and more complex docs.
  5. Secure and confidential: They ensure the confidentiality of sensitive legal documents by limiting the need to send documents to external parties for comparison.

The pricing of legal document comparison software varies greatly depending on its complexity, features, and the size of the legal team. They can range from around $10 per user per month for basic solutions, up to several hundred dollars for more advanced, enterprise-level software.

The pricing models commonly used by these tools are subscription-based, often with tiered pricing structures. This means you pay a monthly or annual fee per user, with the price depending on the feature set chosen. Some tools also offer one-time license purchases.

The cheapest software can start as low as $10/user/month, while the most expensive, often enterprise-level solutions with advanced AI and machine learning features, can cost several hundred dollars per user per month.

While free options for legal document comparison software are limited, some vendors do offer limited free trials or freemium versions of their software with basic features. However, for extensive use and access to more advanced features, a paid plan is generally required.


In conclusion, when it comes to choosing the best legal document comparison software, it's crucial to focus on certain aspects. Firstly, consider the core functionality of the tool. It should offer a comprehensive suite of features, from side-by-side document comparison, and document version control, to identifying changes in terms of text, formatting, and more.

Secondly, always look at the unique selling proposition of each tool. Whether it's robust AI-assisted features like Kira Systems offers, cloud-based e-discovery solutions like DISCO, comprehensive legal operations management like Legal Suite, or document drafting and review capabilities like Litera, these unique features are what set each tool apart and make them a potential best fit for specific use cases.

Lastly, never ignore the usability factor. A tool can have all the bells and whistles, but if it's not intuitive to use or lacks competent customer support, it can turn into more of a hindrance than a help. Always try out the tool beforehand, gauge its interface, check out the onboarding process, and assess the responsiveness of customer support.

Choosing the best software ultimately comes down to your specific needs, preferences, and budget. Remember, the best tool for you is the one that fits your requirements perfectly, not necessarily the one with the most features or the highest price tag.

What Do You Think?

I hope this guide assists you in choosing the ideal legal document comparison software that fits your needs. However, if you've used a tool that you believe should have made this list, feel free to share your experiences. I am always open to suggestions and learning about new tools that could be of great benefit to our readers. Your input could help someone else find the perfect solution for their needs.

By Ben Aston

Ben Aston is an online media entrepreneur and founder of Black & White Zebra, an indie media company on a mission to help people and organizations succeed.

Since 2011, he has been evaluating, reviewing, and helping to recommend software through hundreds of articles across the company's influential digital publications, seeking to make technical workplace topics fun and easier to understand.