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 glow app but my other period tracker 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