Best Identity Resolution Software in 2026
Updated
In short: InterSystems IRIS is ranked #1 of 25 as of 4 October 2026, ahead of Senzing Entity Resolution and Hightouch. The best-ranked option with a free plan is Hightouch. The lowest first paid tier on this page is LiveRamp RampID at $1666.67/mo.
Identity resolution software helps connect records that may refer to the same person, household, or organization. Compare matching approach with household and organization matching, and consider whether batch file import or a real-time API fits how your data is handled. Included records and free plan availability can help clarify scope, while paid pricing shows where costs begin. Data Ladder, Splink, and Informatica Identity Resolution are among the ranked entries; their order follows the listed matching, access, and pricing comparisons.
25 identity resolution software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which identity resolution software is ranked first on Specifiction?
InterSystems IRIS is ranked #1 of 25 with a score of 7.9. Senzing Entity Resolution is second and Hightouch third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, LiveRamp RampID has the lowest first paid tier we found: $1666.67/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.








