Your ally for high-quality test design
THE Model-Based Testing tool ! Yest offers features to boost your productivity: test generation, impact calculation and auto-completion are just a few of our enablers.

Collaborate & test better with Yest®
Improve your teamwork
Yest® visual user journeys provide an easy-to-understand business representation of tests. These pathways are integrated into Jira and Git for better sharing with the entire product team.
Accelerate test design
Yest® is a Model-Based Testing tool: it generates tests from models. It also features impact calculation, auto-completion, change propagation and dataset management. These enables make it possible to implement an optimized number of tests 40% faster. All while ensuring the requirements coverage and quality of your applications.
Manage your data
Manage your test data efficiently with Yest®. Define your combinatorics via decision tables or datasets for optimum coverage. Yest automatically generates the datasets needed to run each test.
Automate tests
Yest® generates consistent, configurable, and detailed tests suitable for manual or automated execution. Keyword-based automation simplifies maintenance and promotes collaboration between the functional tester, who creates and maintains test scripts and data, and the automation engineer, who implements the keywords.
Generate user journeys
Easily reuse your existing tests to quickly create new user journeys without starting from scratch.





They trust us
Yest® integrates into your ecosystem
Yest® integrates seamlessly with your existing tools. It allows you to export and update your Yest® tests to your test management tools (for manual and automated execution).
Work with Yest®, Jira and Xray
The Yest® for Jira app brings visual application journeys to the heart of collaboration—closely aligned with business needs. Combined with Yest® Desktop, you can generate your tests and publish them to Xray—while ensuring your Jira tickets are fully covered by your tests.

Enjoy Yest® on Windows & Mac
Yest® is fully compatible with both macOS and Windows, ensuring a smooth and seamless experience on both platforms.
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