The gifts can be purchased and sent to the momo host (usually a very pretty or entertaining girl).   at 12RMB , per 120 momo currency.

We can see below the rocket gift, is at 18,888 momo currency aka 1,888RMB aka $284 USD(1:6.65)

Fee Structure: momo platform takes a 20% fee (at present) and sends the rest to the video host.

momo hosts can make up to 2000-3000 RMB per month , with some hosts taking in over 30,000RMB   aka $4,511(1:6.65)

Pretty girls, rocket ships , and entertaining direct feed?  Interedasting