Google Optimize is a service for testing a website interface

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Google Optimize interface

Here you can conduct A/B and multi-channel testing, collect and analyze data on user behavior on the site.


Limitations: The tool is completely free.


Where to start learning: How to set up an A/B test using belgium consumer email list Google Optimize - a step-by-step manual .


15. ASO Giraffe is a service for A/B testing of applications.


ASO Giraffe is paid, but the trial includes an infinite number of tests. When registering, you can choose cross-platform testing or "single-platform".


Limitations: There is a free two-week trial.


Where to start learning: How to AB test your App Store assets .

You can learn more about A/B testing in our article . Inside is a template for preparing an experiment.

16. Z-Score - Z-score table and calculator