Ovulation strip - am I reading this correctly?

Hi- I’ve taken a photo through the <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> for the past 3 days of strip tests. These look positive to me but glow is saying the bottom 4 are negative. Am I reading these incorrectly? The top two don’t seem any different to the bottom four to me and glow found those to be positive.