I think i see a faint line anyone else

Its bot very dark what so ever and it took a while to show up but i see it very light. Anyone else see it i had 2lower the brightness period supposed 2start Sunday according to my <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> but my other <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> says Mon. My last period was Dec 27th ended the 31st acording to both apps i ovulated around the 8th and 9th of Jan. Anyone else thinks its a sure sign i will test agin tomorrow in the morning