question to the administrators

G.G
 My period is 3-4 days early why doesn't the <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period calendar</a> update on it's own? Now it just says my period will end in 8 days instead of moving the tail end of it up and adjusting the rest of the month and fertility days. It's not very accurate and will give false information for later in the month.