When should I test

Brittany • Hi im 28 a mother of 6 beautiful kids 👧🏽👦🏾👧🏽👧🏽👧🏽🤰

When do you ladies think I should test glow say my predicted period is July 30 my <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period calendar</a> says July 30 and Ovia says July 28th