Advice please

Natalie

I’m now on cd 18, would u say I’m now ovulating........ the <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> said (number 4 going down) is positive but people have said none r positive........then I done another last night and the bottom one just now........ what do u all think????