To download a service on an Apple device:
Download the Documents by Readdle app.
Login to the Media Store
Browse through the services and click the purple button next to a service to buy it.
Once your purchase is complete, go to your Library and click the download icon next to the service you’d like to download.
You will see the progress of your download in your Safari Browser
When the service is finished downloading, open the Documents by Readdle app to unzip the file.
If you are using iCloud:
Tap iCloud
Tap iCloud Drive
Locate the Zip file and tap it to extract it into the app.
Open the service folder and tap a track to play the service.
To download services directly to your phone instead of iCloud:
Open the Settings app and then tap on Safari.
Click Download and choose On My iPhone.
From within the Documents app, Click Apple Files
Click Downloads
Locate the Zip file and click it and it will be extracted into the app.
Open the service and click a track to play the service.