Best Test Data Management Software in 2026
Updated
In short: Windocks is ranked #1 of 22 as of 3 October 2026, ahead of MOSTLY AI and Tonic Fabricate. The best-ranked option with a free plan is MOSTLY AI. The lowest first paid tier on this page is Mockaroo at $5/mo.
Preparing data for software testing can involve masking or subsetting existing data, generating synthetic data, and keeping test datasets refreshed. Compare these capabilities alongside API access and deployment model to see which options align with your data workflows and environment. Free-plan availability and paid-from pricing provide cost details to consider. BlazeMeter, Windocks and MOSTLY AI lead the ranking, with Synthesized and Tonic Fabricate among the next entries. The comparison fields can help you focus on the specific preparation, access and refresh needs your team has when evaluating test data management software.
22 test data management software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Windocks Top pick · 7.0 Free plan · $499/mo
#2 MOSTLY AI Runner-up · 6.7 Free plan · Free
#3 Tonic Fabricate Also great · 6.7 Free plan · $29/mo
- Free plan apiLinuxself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 499 /mo
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms$499/mofirst paid tier About WindocksVisit site - Free plan apiLinuxself-hostedWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free plan apiself-hostedWeb
- Free plan
- No
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About Tonic FabricateVisit site - Free planFree trial apiself-hostedWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$5/mofirst paid tier About MockarooVisit site - Free plan apiself-hosted
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$250/mofirst paid tier About Synthetic Data VaultVisit site - Free trial apiextensionLinuxself-hostedWeb
- Free plan
- Yes
- Paid from
- 99 /mo
RecognisedDocumentedFree planPlatforms$8.25/mofirst paid tier About BlazeMeterVisit site - apiLinuxself-hostedWebWindows
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms - apiLinuxself-hostedWeb
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms - Free trial apiLinuxself-hostedWebWindows
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms - Free trial LinuxmacOSWindows
- Free plan
- No
- Synthetic data generation
- Yes
- Data masking
- Yes
- Refresh automation
- scheduled
RecognisedDocumentedFree planPlatforms - apiself-hostedWebWindows
- Free plan
- No
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
RecognisedDocumentedFree planPlatforms - Free trial apiLinuxmacOSself-hostedWindows
- Free plan
- No
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms - Free trial Linuxself-hostedWebWindowsRecognisedDocumentedFree planPlatforms
- apiLinuxself-hostedWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free plan LinuxmacOSself-hostedWindows
- Free plan
- Yes
- Synthetic data generation
- Yes
- Data masking
- No
- Data subsetting
- No
RecognisedDocumentedFree planPlatforms - apiself-hostedWeb
- Free plan
- No
RecognisedDocumentedFree planPlatforms - macOSLinux
- Free plan
- Yes
- Synthetic data generation
- Yes
- Data masking
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 10 /mo
- Synthetic data generation
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms -
- Synthetic data generation
- Yes
- Data masking
- Yes
- Data subsetting
- Yes
- Refresh automation
- automated
RecognisedDocumentedFree planPlatforms - RecognisedDocumentedFree planPlatforms
- Web
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms -
- Free plan
- No
- Synthetic data generation
- Yes
RecognisedDocumentedFree 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 test data management software is ranked first on Everything Xiaomi?
Windocks is ranked #1 of 22 with a score of 7.0. MOSTLY AI is second and Tonic Fabricate third.
How many of these have a free plan?
6 of the 22 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Mockaroo has the lowest first paid tier we found: $5/mo.
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.