which app is right ?

Molly

my <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> says im 2 days late and my <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a> says im due in 2 days for my period ? it has the same previous period dates on there ?