To add the feeds to these apps you will need to modify the feed URL you get from Big Sandwich before entering it into the app.
On the Big Sandwich Copy site the feed URL for the show you wish to add (it will look something like https://bigsandwich.co/feed/wplanet/).
You will then need to change this URL to add in your username and password. The end result should look like this:
Note: Your password should only have numbers and letters. Pocket Casts does not like symbols in passwords. This includes your username which has an ‘@’ in it – it will if you a Patreon subscriber, you will need to replace it with ‘%40’.
So an example of what this would look like for a Patreon user subscribing to The Weekly Planet ad-free feed would be: