How far along am I?

Kira • TTC 1st for 15mons and I finally had my BFP!

So Glow <a href="https://play.google.com/store/apps/details?id=com.glow.android.nurture">Nurture</a> says 5+1, but Glow Fertility day’s 5+6.

They both have my correct last af day which was 3/31.

But which is true?

Thanks!