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Best Identity Resolution Software in 2026

Identity resolution software helps reconcile records that may refer to the same person, household, or organization. Compared on matching approach, the entries also show household and organization matching, batch file import, and real-time API availability. Included records, free-plan access, and paid-from pricing help you assess the stated scope and cost. Options include InterSystems IRIS, Splink, and Hightouch, as well as Zingg. Consider how your systems receive identity data and which kinds of relationships you need to match, then compare the listed approaches and access details with those needs.

  1. 1

    Splink

    Free plan Open source APILinuxMac+2

    Splink offers a free, configurable approach to probabilistic record linkage, with several SQL backend options and diagnostic visualizations.

    8.7 Free plan Visit site
  2. 2

    Zingg

    Free plan Open source APILinuxMac+1
    8.5 Free plan Visit site
  3. 3

    Hightouch

    Free plan AndroidAPIiPhone+1
    7.5 Free plan Visit site
  4. 4

    Equifax Identity Matching

    Free plan API

    Identity Matching offers several ways to link records and maintain keys across disconnected sources. Live pricing and usage constraints require contacting an Equifax representative.

    7.1 Pricing on request Visit site
  5. 5

    pyJedAI

    Free plan LinuxSelf-hostedWindows

    pyJedAI brings entity-resolution workflows, algorithms, and machine-learning methods into a Python framework.

    7.1 Open source Visit site
  6. 6

    Senzing Entity Resolution

    Free plan APILinuxMac+3

    Senzing combines record resolution with relationship mapping and decision audit trails, with deployment options ranging from local infrastructure to major cloud environments.

    7.1 Visit site
  7. 7

    Open Client Registry (OpenCR)

    Free plan APILinuxMac+3

    OpenCR focuses on identity matching and exchange between systems, with configurable methods and audit visibility.

    7.0 Open source Visit site
  8. 8

    Data Ladder

    Free trial APISelf-hostedWindows

    Consider DataMatch Enterprise if you need code-free data cleansing and matching across disparate sources, including household or organization matching.

    6.4 Pricing on request Visit site
  9. 9

    AWS Entity Resolution

    Paid APIWeb

    AWS Entity Resolution provides several approaches to matching records, plus incremental rule-based processing and API lookup.

    5.8 From $0.10 Visit site
  10. 10

    Informatica Identity Resolution

    Paid LinuxSelf-hostedWindows

    Informatica Identity Resolution is designed for enterprise identity data matching across varied systems and languages.

    5.8 Pricing on request Visit site
  11. 11

    DinMo

    Paid APIWeb

    Choose DinMo if your marketing team wants to activate warehouse-based customer segments across advertising and CRM destinations.

    5.7 Pricing on request Visit site
  12. 12

    OpenEMPI

    Paid APILinuxSelf-hosted+2

    OpenEMPI provides configurable matching, stewardship, auditing, and integration options for master-record work. Buyers will need a sales quote and deployment plan before committing.

    5.7 Pricing on request Visit site
  13. 13

    Precisely Data Matching and Entity Resolution

    Paid LinuxSelf-hostedWeb+1

    Precisely offers configurable matching, data preparation, and support for varied entity types and deployment environments. Organizations considering it will need to request pricing.

    5.6 Pricing on request Visit site
  14. 14

    Lexer Identity Resolution

    Paid APIWeb

    Choose Lexer if a retail or hospitality business needs to unify customer data across online and physical interactions.

    5.5 Pricing on request Visit site
  15. 15

    LiveRamp RampID

    Paid APIWeb

    RampID combines identity resolution, addressability, and campaign measurement, with web and API access.

    5.5 Pricing on request Visit site
  16. 16

    NVECTA

    Paid AndroidAPIiPhone+1

    NVECTA combines customer profiles, predictive marketing, conversion tools, and journey orchestration across several channels.

    5.4 Pricing on request Visit site
  17. 17

    Tamr

    Paid APISelf-hostedWeb

    Tamr focuses on unifying records from multiple sources, with data products, connectors, and agent connectivity for downstream use.

    5.3 Pricing on request Visit site
  18. 18

    Epsilon COREid

    Paid

    Choose COREid if your organization needs identity resolution across disparate systems, consumer touchpoints and engagement channels.

    5.1 Pricing on request Visit site
  19. 19

    Quantexa Entity Resolution

    Paid APISelf-hostedWeb

    Quantexa Entity Resolution is designed for large-scale record matching, with batch and real-time modes, country-tuned preparation and multiple deployment options.

    5.1 Pricing on request Visit site
  20. 20

    Semcasting Identity Graph

    Paid API

    Choose Semcasting Identity Graph if your organization needs deterministic first-party identity resolution and activation across multiple channels.

    5.1 Pricing on request Visit site
  21. 21

    Merkury Identity Resolution

    Paid Web

    Choose Merkury if your enterprise needs person-based identity resolution, data enhancement, and marketing connectivity.

    5.0 Pricing on request Visit site
  22. 22

    Verato Universal MPI

    Paid APIWeb

    Verato Universal MPI focuses on patient identity matching, duplicate resolution, and connected healthcare data.

    5.0 Pricing on request Visit site
  23. 23

    InterSystems EMPI

    Paid Web
    4.4 Pricing on request Visit site
  24. 24

    Treasure AI Identity Resolution

    Paid Web
    4.3 Pricing on request · 14-day trial Visit site
  25. 25

    TransUnion TruAudience Identity Solutions

    Paid Web
    4.1 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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