To create a savings plan, proceed as follows:
Tap on the ₿ symbol at the bottom of the navigation bar
Tap on “Savings plan”
Tap on “Add savings plan”
Tap on “Standing order”
You will now see all the relevant information you need to create your savings plan.
Simply switch to your banking app and enter the data (in particular the purpose of use starting with SP ...). Set the time, interval and amount of the standing order and sign the order.
Switch to the 21bitcoin app and tap on “I'm making the transfer from my bank account”.
Congratulations 🎉, you are now investing regularly in Bitcoin.