Best Identity Resolution Software in 2026
Updated
In short: InterSystems IRIS is ranked #1 of 25 as of 4 October 2026, ahead of Splink and Hightouch. The best-ranked option with a free plan is Splink.
When records may point to the same person, household or organization, identity resolution software helps you compare ways to match them. The listed matching approach is a useful place to start, alongside household matching and organization matching. Batch file import and a real-time API show different ways to supply data, while included records can help you assess scope. InterSystems IRIS, Splink and Hightouch lead the ranking, with Zingg and Treasure AI Composable CDP among the next entries. Free-plan availability and paid-from pricing round out the comparison. Consider how your data arrives and which kinds of entities you need to connect, then weigh those needs against the listed capabilities and costs.
25 identity resolution software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 InterSystems IRIS Top pick · 7.4 Free plan · Free
#2 Splink Runner-up · 7.0 Free plan · Free
#3 Hightouch Also great · 6.9 Free plan · Free
- Free planFree trial apiLinuxmacOSself-hostedWebWindows
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - Free plan LinuxmacOSself-hostedWindows
- Free plan
- Yes
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - Free plan apiWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free plan Linuxself-hosted
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - AndroidapiiOSWeb
- Free plan
- No
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - apiself-hostedWeb
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - apiLinuxself-hostedWebWindows
- Free plan
- No
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - Linuxself-hostedWindows
- Free plan
- No
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - apiWeb
- Free plan
- No
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - Free trial apiself-hostedWindows
- Free plan
- No
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - apiself-hostedWeb
- Free plan
- No
RecognisedDocumentedFree planPlatforms - Web
- Matching approach
- hybrid
RecognisedDocumentedFree planPlatforms - Web
- Matching approach
- rules
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Matching approach
- hybrid
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms -
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - WebLinux
- Matching approach
- hybrid
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms -
- Real-time API
- Yes
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSLinuxRecognisedDocumentedFree planPlatforms
- Web
- Matching approach
- hybrid
- Batch file import
- Yes
RecognisedDocumentedFree planPlatforms -
- Matching approach
- hybrid
RecognisedDocumentedFree planPlatforms - WebRecognisedDocumentedFree planPlatforms
- WebiOSAndroidRecognisedDocumentedFree planPlatforms
- Web
- Free plan
- No
RecognisedDocumentedFree planPlatforms - WindowsLinuxRecognisedDocumentedFree planPlatforms
- WebRecognisedDocumentedFree planPlatforms
Is your app 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 Everything Xiaomi?
InterSystems IRIS is ranked #1 of 25 with a score of 7.4. Splink is second and Hightouch third.
How many of these have a free plan?
4 of the 25 on this page publish a free plan on their own pricing pages.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.