Listening to Gumroad Audio Lessons
Transferring MP3 files to a mobile device
Getting Gumroad Audio lessons on a Mobile Device
My suggested and preferred method
I suggest that you download all the MP3 files to your computer, and then transfer them to your mobile device.
Here is a video on how to transfer MP3 files to your Iphone
For android users
For android users here are a couple articles on a iTunes look-alikes.
https://www.apowersoft.com/android-equivalent-of-itunes.html
https://tunesgo.wondershare.com/android/itunes-alternative-for-android-software.html
This is what Google says on transferring mp3 piles to an android;
To Load music onto your device using a USB cable
Download and install Android File Transfer on your computer.
If your screen is locked, unlock your screen.
Connect your computer to your device using a USB cable. …
Locate music files on your computer and drag them into your device’s Music folder in Android File Transfer.
You should be connected to a Wi-Fi network and not use your cell data to do this (unless you have an unlimited data plan). Remember audio courses can be quite long and so it could take up a large amount of storage space on your phone also it will take some time to download the files depending on your connection speeds. Some audio courses are over 25 hours in length so it’s a huge amount of audio files it would be downloaded to your phone.