Parallel testing on single tab

Run parallel test sessions of your website or web application simultaneously in a single browser tab, with multiple BrowserStack real devices. For example, you could test a website on an iPhone 13 and a Pixel 7 real devices together in a single tab.

Running multiple devices simultaneously

1. Log in to the Live dashboard.
2. Select your preferred device-browser combination to run your website or web app.
3. Hover the cursor to the right side of the screen and click + Add Device button.
4. Select another device-browser combination to replicate the same tests on both devices.
5. Use the toolbar to perform more actions or close the sessions together.
6. You can enable interaction sync on both the devices. Navigate to Settings > Sync interactions across devices toggle.

Interaction sync limitations

Interaction sync enables you to perform certain similar actions on both real devices. Although, there are a few limitations with interaction sync currently.

• Both devices need to have the same URL. At times you need to enter the URL manually if both devices don’t sync.
• If the URL in both devices is the same and interaction sync is not working then refresh the page.
• Certain websites do not support interaction sync.
• You may face some interactions sync issues with iOS 13 and lower versions iPhone devices.
• For Android devices, Vivo, Oppo, and Huawei devices do not support interactions in sync.
• Occasionally sensitivity varies during scroll.