Launch the app, choose the large New... button > Notebook:
Choose GoodNotes Standard or A7 (iPhone) from the first dropdown list (Paper Size), choose Portrait from the second dropdown list (Orientation) and scroll the Essentials category all the way to the right to see the Flashcard template (the very last one in this category):
Name your notebook in the Title field and choose Create.
On a new page, write the question in the top half of the page, and the answer in the bottom half. These halves respectively correspond to the Front & Back sides of a physical flashcard.
Repeat the previous step for any other question-answer pair to form a flashcard deck.
Open the More menu (...) in the top-right corner > Study Flashcards.
For each flashcard, you will see the question (Front side) first. Tap the screen to show the corresponding answer (Back side).
Once the answer is shown, indicate the difficulty of the question based on how easily you were able to recall the answer:
- Again: I did not remember the answer. I need to try again soon.
- Hard: I remembered the answer, but only with great difficulty.
- Good: I remembered the answer, but had to think a little.
- Easy: I remembered the answer easily.