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Best Data quality testing tools in 2026

Data quality testing tools help teams check data for quality problems. This list is for people comparing options on a budget, including free, freemium, paid, and open-source software.

  1. 1

    Amazon Deequ

    Free plan APILinuxMac+2

    Deequ offers a broad set of data checks and profiling tools for Spark-based pipelines, including declarative rules and row-level results.

    7.7 Open source Visit site
  2. 2

    Great Expectations

    Free plan APILinuxMac+2
    7.1 Free plan Visit site
  3. 3

    Soda

    Free plan APILinuxSelf-hosted+1

    Soda combines data testing, observability, and contracts for teams managing data quality across workflows.

    6.9 Free plan · paid from $750/mo Visit site
  4. 4

    Metaplane

    Free plan APIWeb

    Metaplane covers a broad set of data checks and connects with listed warehouse, BI, and alerting tools. Review plan limits closely if you need more tables, lineage, or Data CI/CD.

    6.7 Free plan · 14-day trial Visit site
  5. 5

    Datafold

    Paid APISelf-hostedWeb

    Datafold combines data quality checks, reconciliation, monitoring, and migration support with deployment choices for cloud and customer environments.

    5.6 Pricing on request · 14-day trial Visit site
  6. 6

    Anomalo

    Paid Web

    Choose Anomalo if you need machine-learning anomaly detection across several data formats and value anomaly explanations or hybrid deployment.

    4.6 Pricing on request · 30-day trial Visit site
  7. 7

    AWS Glue Data Quality

    by Amazon Web Services
    Paid
    4.2 Visit site
  8. 8

    Elementary

    by Elementary Data
    Paid
    4.2 Visit site
  9. 9

    Bigeye

    by Datadog
    Paid
    4.1 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

Compare free-plan coverage, trial duration, and pricing terms such as quotes or fixed fees. Review support for API, web, self-hosted, Linux, macOS, or Windows environments, and examine the licence if you need to read or change code.

Questions

Are there free data quality testing tools?

Yes. Amazon Deequ has no charge and is open source. Great Expectations, Metaplane, and Soda each show free plans.

Which tools offer free trials?

Anomalo offers a 30-day trial, while Datafold and Metaplane offer 14-day trials.

Is any tool open source?

Amazon Deequ is identified as free, open-source software.

Do these tools run on the web?

Web is one platform used by tools in this category. Anomalo is listed with web support; check product details for other platforms.

How much does Soda cost?

Soda combines a free plan with paid service starting at $750 per month.

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