Best Data Deduplication Software in 2026
Updated
In short: Plauti Deduplicate is ranked #1 of 27 as of 3 October 2026, ahead of Tilores and DQE One Unify. The best-ranked option with a free plan is Tilores. The lowest first paid tier on this page is DataGroomr at $33.25/mo.
Duplicate records can complicate sales and CRM data, so compare how tools identify matches and manage changes. Fuzzy matching, automatic merging, and duplicate prevention are key criteria, alongside a merge review workflow for teams that need oversight. CRM integrations and API access help you consider fit with existing systems. The ranking opens with Tilores, DataMatch Enterprise, and Plauti Deduplicate, followed by DataGroomr and Cloudingo. Free-plan availability and paid-from pricing provide additional points to assess. Use the listed capabilities to judge which approach aligns with your data and review needs.
27 data deduplication software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Fuzzy matching | |
|---|---|---|---|---|---|---|---|---|
| 1 |  Plauti Deduplicate | 7.4 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 2 | Tilores | 7.4 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 3 |  DQE One Unify | 6.9 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 4 | Cloudingo | 6.8 | RecognisedAPIDocumented | $208.33/mo | No | — | Yes | View |
| 5 | D&B Hoovers | 6.8 | RecognisedAPIDocumented | $44.08/mo | — | — | Yes | View |
| 6 |  DataGroomr | 6.8 | RecognisedAPIDocumented | $33.25/mo | No | — | Yes | View |
| 7 | DataMatch Enterprise | 6.7 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 8 |  R | 6.0 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 9 | Workbooks | 5.9 | RecognisedAPIDocumented | $47/mo | Yes | — | — | View |
| 10 | Zingg | 5.9 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 11 |  DemandTools | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 12 |  DupeCatcher | 5.6 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 13 |  Koalify | 5.6 | RecognisedAPIDocumented | — | Yes | 25 /mo | Yes | View |
| 14 |  OneMerge | 5.6 | RecognisedAPIDocumented | — | Yes | 135 /mo | — | View |
| 15 | Insycle | 5.4 | RecognisedAPIDocumented | $100/mo | No | 100 /mo | Yes | View |
| 16 |  Python Record Linkage Toolkit | 5.4 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 17 |  Splink | 5.4 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 18 | Posidex Customer Entity Resolution and Matching | 5.2 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 19 |  Reltio Multidomain Master Data Management | 5.2 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 20 | Data8 Duplicare | 5.1 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 21 |  Entify | 5.1 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 22 |  LinkTransformer | 5.1 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 23 |  MatchCore | 5.1 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 24 |  Senzing Entity Resolution | 5.1 | RecognisedAPIDocumented | — | — | — | Yes | View |
| 25 |  dedupe | 5.0 | RecognisedAPIDocumented | — | — | — | Yes | View |
Is your platform 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 data deduplication software is ranked first on Inferse?
Plauti Deduplicate is ranked #1 of 27 with a score of 7.4. Tilores is second and DQE One Unify third.
How many of these have a free plan?
3 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DataGroomr has the lowest first paid tier we found: $33.25/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.