Opk help

cheyenne

Ok so I’m on CD 5, just spotting at this point, here’s my opk

Here’s where I’m confused, these opks are from the modern fertility brand, when I scan it into the app it says it’s either 5 or 10 which is non fertile obviously. But, when I scan it in here it marks it as almost fertile, and comparing it to the chart it says almost fertile too…