If you already have a subscription, you can download the mobile app to your mobile device and log in with the same credentials you use on your computer. There is no additional charge for to use the mobile app.
Tip: Look for the Download Mobile App button on the dashboard to send a magic link to your mobile device by text or email message.
If you don't already have a subscription, you can still download the mobile app. Downloading the app is free, but you need a subscription to access most of the content. You can purchase your subscription within the app. See Downloading the Mobile App to get started.
For more information about the Apple in-app purchases see here.
For more information about the Google in-app purchases see here.