As of October 2023, there is no dedicated mobile application for Klaviyo. Klaviyo primarily operates as a web-based platform, which means users can access its features and functionalities through a standard web browser on their mobile devices or desktops. This allows marketers to manage their email campaigns, automate workflows, and analyze data on the go, albeit through a mobile web interface rather than a specific app. Users can still enjoy the full experience of Klaviyo's tools without a dedicated mobile application. For any updates regarding product features, users may wish to check the official Klaviyo website or the current web page for the latest information.