If you find that you see too much pinyin and want to see more Chinese characters (hanzi), then while you’re learning, just:

1) Make sure you are on your homepage: http://www.fluentu.com/chinese/home/

2) Click on the profile icon the top right

3) Click on settings in the dropdown menu

4) Click on “Study settings”

5) Make sure that “Pinyin questions” is NOT selected

As shown here: