do you trust the glow app

Gemma

I've been using the <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> since December, I've been inputting my periods since then and I always thought my cycles were 35 days long but since December they have been 32 days, I have been ttc for 2 years now, and today glow says my af is due today but no sign, I'm having a few cramps but don't feel like they would if I'm about to get my period, I feel lost