Need help how to tweak the photo of pregnancy test?

Kendra
So i am now 7 days late on my period 3 days i bought the dollar store ones i really didnt pay much attention to it tho. I later looked at it carefully and i swear i see a faint line i dont no how to tweak the picture wondering what app to use or edit. Im buying a more expensive test n morning but as of tonight im wondering lol