Wtf is going on here

I am 11 days according to one <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> and 20days on the other no full flow just light bleeding that ends the same day. Then I have no full Flow then when I have sex I light bleed . Even masturbate just on the clit I I tell light bleed . But no flow