Keep
... that Keep was the most downloaded fitness app in China between July and September 2018, with 38.8 million downloads?
... that <b id="mwCK4"><a href="./Keep_(app)" id="mwCK8" rel="mw:WikiLink" title="Keep (app)">Keep</a></b> was the most downloaded <a href="./Fitness_app" id="mwCLA" rel="mw:WikiLink" title="Fitness app">fitness app</a> in China between July and September<span id="mwCLE" typeof="mw:Entity"> </span>2018, with 38.8<span id="mwCLI" typeof="mw:Entity"> </span>million downloads?