Best Test Data Generation Tools in 2026
Updated
In short: MOSTLY AI is ranked #1 of 25 as of 4 October 2026, ahead of Tonic Fabricate and Benerator. The best-ranked option with a free plan is Tonic Fabricate. The lowest first paid tier on this page is Mockaroo at $5/mo.
Reliable test cases often depend on having data that suits the systems and relationships under development. Compared on generation modes, supported data formats, and generation limits, these tools can be evaluated against the data your tests call for. API data generation and database connectors offer integration criteria; relational data and deployment add further workflow considerations. Free-plan availability and paid-from pricing help frame cost. Benerator, Tonic Fabricate, and dbForge Studio for PostgreSQL are among the options, alongside DummyJSON and Mockaroo. Compare the listed formats and generation approaches with your test needs, then consider how connectors, deployment choices, and limits fit the way your team creates and uses test data.
25 test data generation tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 MOSTLY AI No phone app RecognisedPhone appDocumentedFree plan 8.2Free Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 2 Tonic Fabricate No phone app RecognisedPhone appDocumentedFree plan 8.1$29/mo Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 3 Benerator No phone app RecognisedPhone appDocumentedFree plan 8.0Free Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 4 Synthetic Data Vault No phone app RecognisedPhone appDocumentedFree plan 7.8$250/mo Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 5 Mockaroo No phone app RecognisedPhone appDocumentedFree plan 7.7$5/mo Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 6 Synthesized No phone app RecognisedPhone appDocumentedFree plan 7.5 Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 7 GenRocket No phone app RecognisedPhone appDocumentedFree plan 7.0 Relational data: YesAPI data generation: Yes
- 8 MockNeat No phone app RecognisedPhone appDocumentedFree plan 6.7 Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 9 Snowfakery No phone app RecognisedPhone appDocumentedFree plan 6.6 Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 10 Generatedata No phone app RecognisedPhone appDocumentedFree plan 6.3 Generation modes: syntheticRelational data: Yes
- 11 ApexSQL Generate No phone app RecognisedPhone appDocumentedFree plan 6.2 Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 12 EMS Data Generator for MySQL No phone app RecognisedPhone appDocumentedFree plan 6.1 Generation modes: syntheticRelational data: Yes
- 13 DummyJSON No phone app RecognisedPhone appDocumentedFree plan 6.1Free Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 14 Synthea No phone app RecognisedPhone appDocumentedFree plan 6.0 Generation modes: syntheticRelational data: Yes
- 15 Faker No phone app RecognisedPhone appDocumentedFree plan 6.0 Generation modes: syntheticRelational data: NoAPI data generation: Yes
- 16 JSON Schema Faker No phone app RecognisedPhone appDocumentedFree plan 5.9 Generation modes: syntheticRelational data: NoAPI data generation: Yes
- 17 Datafaker No phone app RecognisedPhone appDocumentedFree plan 5.8 Generation modes: syntheticAPI data generation: Yes
- 18 Bogus No phone app RecognisedPhone appDocumentedFree plan 5.7 Generation modes: synthetic
- 19 factory_boy No phone app RecognisedPhone appDocumentedFree plan 5.6 Generation modes: syntheticRelational data: YesAPI data generation: Yes
- 20 GoFakeIt No phone app RecognisedPhone appDocumentedFree plan 5.5 Generation modes: syntheticRelational data: NoAPI data generation: Yes
- 21 Faker.js No phone app RecognisedPhone appDocumentedFree plan 5.4 Generation modes: syntheticRelational data: NoAPI data generation: Yes
- 22 Chance.js No phone app RecognisedPhone appDocumentedFree plan 5.2 Generation modes: syntheticAPI data generation: Yes
- 23 RandomUser No phone app RecognisedPhone appDocumentedFree plan 5.1 Generation modes: syntheticAPI data generation: Yes
- 24 Fishery No phone app RecognisedPhone appDocumentedFree plan 5.0 Relational data: Yes
- 25 Mimesis No phone app RecognisedPhone appDocumentedFree plan 4.9 Generation modes: syntheticRelational data: Yes
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 generation tool is ranked first on Samsung Mobile US Press?
MOSTLY AI is ranked #1 of 25 with a score of 8.2. Tonic Fabricate is second and Benerator third.
How many of these have a free plan?
6 of the 25 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.