List of the Top 9 Free Identity Resolution Software in 2025

Twilio Segment's Customer Data Platform (CDP) equips businesses with the essential data infrastructure required to prioritize customer needs in all their strategic choices. By leveraging Twilio Segment, organizations can gather, consolidate, and direct their customer information to any desired system. With over 25,000 businesses utilizing Twilio Segment, they are empowered to make instantaneous decisions, boost their growth, and provide exceptional customer experiences. This makes Twilio Segment an indispensable tool for companies aiming to enhance their customer engagement and drive success.

Established in 2011 as a pioneer among mobile measurement partners, Kochava now facilitates campaign tracking across all devices, channels, and audience segments. Leverage advanced multi-touch attribution, innovative marketing mix modeling, and continuous incremental measurement techniques to cultivate growth strategies that are both data-driven and respectful of privacy. Gain insights into which cross-channel methods effectively enhance customer acquisition and retention. The platform boasts essential features such as comprehensive app attribution and analytics, cost and return on investment assessments, deep linking capabilities, marketing data management, ETL support, ad fraud detection, and a suite of strategic services. Kochava’s extensive library of software development kits (SDKs) ensures seamless measurement support across mobile applications, connected TVs, websites, and various other devices. With integrated solutions, clients can effortlessly activate and evaluate their campaigns on platforms like Google Ads, Meta, Apple Search Ads, X, Snap, Roku, LG Ads, Amazon Ads, NBCUniversal, TikTok for Business, Yahoo, and a multitude of additional ad networks, CTV platforms, and major publishers. Adopt a privacy-centric measurement approach with comprehensive support for Apple’s SKAdNetwork on iOS, Google’s Privacy Sandbox on Android, and a forward-thinking marketing mix modeling platform that safeguards your measurement capabilities for the future. This commitment to privacy not only enhances data integrity but also builds trust with users, ensuring sustainable growth in an ever-evolving digital landscape.

BDEX Omni IQ leverages artificial intelligence to assist businesses in discovering additional customers that resemble their ideal clientele. The BDEX Identity Graph employs a comprehensive network of SDKs, application publishers, and primary data sources, enabling companies to recognize consumers across various platforms. Each month, it authenticates more than 470 million hashed email-MAID-IP connections associated with 113 million households throughout the United States. As the sole identity platform that assures all IDs are linked to actual individuals, BDEX effectively eliminates any IDs associated with bots, click farms, and other types of ad fraud, along with temporary IDs resulting from Apple's ATT/DoNotTrack policies. Recognized by AdExchanger as the leading Identity Technology, BDEX offers solutions to enhance your targeting strategies and expand your customer base. This innovative approach not only improves marketing efficiency but also builds trust in the authenticity of consumer data used in campaigns.

CustomerLabs CDP is a digital marketing solution hosted in the cloud, designed to assist agencies, SaaS providers, and Ecommerce marketers in tracking, identifying, segmenting, synchronizing, and analyzing customer data effectively. This platform empowers marketers to craft personalized campaigns that span various channels without needing assistance from developers. You can gather and monitor customer information from diverse sources such as your website, apps, CRM, email, service platforms, and offline interactions. With identity resolution capabilities, it enables you to connect anonymous users across different platforms, providing a comprehensive 360-degree insight into your customers. Additionally, you can create targeted customer segments based on behavior, demographics, and user characteristics to facilitate timely messaging across multiple channels. Furthermore, this customer data can be effortlessly integrated with your current marketing tools, including Google Analytics and Google AdWords, enhancing your overall marketing strategy. With CustomerLabs CDP, you can ensure the accuracy of your customer data, ultimately supporting and informing your marketing choices more effectively. As a result, your marketing efforts can become more focused and successful, leading to improved customer engagement and satisfaction.

Establish your own data marketplace to generate additional income from your existing data assets. The narrative emphasizes essential principles that simplify, secure, and enhance the process of buying or selling data. It's crucial to verify that the data at your disposal aligns with your quality standards. Understanding the origins and collection methods of the data is vital for maintaining integrity. By easily accessing new supply and demand, you can develop a more nimble and inclusive data strategy. You gain comprehensive control over your data strategy through complete end-to-end visibility of all inputs and outputs. Our platform streamlines the most labor-intensive and time-consuming elements of data acquisition, enabling you to tap into new data sources in a matter of days rather than months. With features like filters, budget management, and automatic deduplication, you will only pay for what you truly need, ensuring maximum efficiency in your data operations. This approach not only saves time but also enhances the overall effectiveness of your data-driven initiatives.

LayerFive is at the forefront of AI innovation with its patent-pending technology designed to pinpoint consumer identities from a multitude of enterprise data sources, encompassing both online platforms like websites and mobile apps, as well as offline resources such as CRM systems, loyalty programs, and order management systems, which collectively form a unified consumer profile. This robust platform significantly boosts marketing return on investment by over twofold through its advanced omni-channel attribution and consumer journey analytics, essential components of the 360 Marketing Analytics suite. In addition, LayerFive supports companies in complying with stringent data privacy regulations such as GDPR and CCPA by allowing consumers to access and manage their profiles directly, leading to considerable cost reductions and a decreased likelihood of regulatory violations. The technology employs both deterministic and novel probabilistic techniques to integrate consumer data across all enterprise sources effortlessly. LayerFive’s proprietary first-party tagging system also ensures high-quality data capture from enterprise websites while maintaining data integrity in the face of declining third-party cookies, which enables businesses to extract meaningful insights from their data holdings. This comprehensive strategy not only enhances marketing efficacy but also builds consumer trust by emphasizing the importance of privacy and data protection, establishing a brand reputation that values customer relationships. Moreover, LayerFive's commitment to transparency in data usage sets a new standard for ethical marketing practices in today’s digital landscape.

Our strategies for retention are meticulously crafted to bolster audience growth, recapture lost income from customer abandonment, and rejuvenate inactive patrons across multiple platforms. Imagine a situation where Jane Doe signs up for your newsletter using her work laptop, but later that day, she visits your website on her smartphone, places items in her cart, and ultimately chooses not to finalize her purchase. In this scenario, you are unable to initiate a recovery process for her abandoned cart since her mobile visit remains unrecognized. Such instances of untracked abandoners may represent up to tenfold the potential revenue that has unfortunately been lost. With Retention.com’s Reclaim solution, you gain access to our advanced Identity Resolution technology, which has the potential to elevate your SMS and Email earnings from Browse, Product, and Cart Abandonment strategies by as much as 10 times. The onboarding procedure is designed to be both simple and rapid, enabling you to set up the system within just hours, rather than dragging the process out for months. Additionally, the solution avoids unnecessary managed services, focusing solely on the critical technology that allows you to scale your abandonment strategies effectively, thereby ensuring a dependable and effortless return on investment. By adopting this forward-thinking method, you can greatly improve your overall customer engagement and retention initiatives, ultimately leading to a more robust business performance.

Senzing® offers a cutting-edge entity resolution API software that stands out for its affordability, user-friendliness, and powerful data matching and relationship detection features. With this software, you can seamlessly and automatically identify and resolve records concerning individuals, organizations, and their connections in real time as fresh data enters the system. The comprehensive and highly precise insights provided by Senzing can help lower operational costs while simultaneously opening up avenues for new revenue streams. Senzing's libraries are versatile and can be implemented on-site or in cloud environments, tailored to fit your specific architectural and environmental needs. Importantly, all data remains within your own system and is never transmitted to Senzing, Inc. The software requires very little data preparation, eliminating the need for tuning, training, or specialized entity resolution experts. Additionally, a complimentary proof of concept can be executed in approximately six hours on either AWS or bare metal, and you can experiment with the Senzing API for free on up to 100,000 records. This makes it an attractive option for businesses looking to enhance their data management capabilities without significant upfront investment.

We make certain that your most attractive deals connect with the right customers at the perfect times, motivating them to return for further purchases. Schedule a brief 20-minute demonstration with our team to review successful campaigns from renowned brands. Receive verified offers straight to your inbox and while exploring your favorite online shops. By signing up just once, you can access verified offers directly from brands that work seamlessly across all web browsers and devices! Enjoy greater insights and authority over how brands within our network use your data. You have the ability to manage your data and subscription settings for thousands of brands, all in one convenient place. Our platform allows participating brands to contact you via email after you engage with their site, maintaining your privacy by not sharing your email address unless you opt to provide it through their platforms, such as their website. This streamlined approach guarantees that you receive tailored offers while safeguarding your personal information. Additionally, our service keeps you informed about the latest deals and promotions from your favorite brands, enriching your shopping experience.