If your device is already set to the dark theme, there is nothing to do extra - your app will be automatically set to dark mode.
The feature is available for iOS and Android, so we are providing full support for system theming. The themes that you can choose are Light, Dark and System default (based on your device settings).
How to change theme in the app:
Make sure that your app is updated to the latest version
Click on the More Section
Go to App Settings
Click Appearance
Select the theme you want
This feature is available for all pricing plans except Solo.