am I pregnant

Heather

so the app says I'm 1 week and 3 days or 4 days and I was post to start my period the 21 of July and I started spotting on the 22 and it was brown and that went on for 4 or 5 days and some pink but I feel hungry all the time I really moody tired boobs hurt so bad having light cramps still and lower back hurts took pregnancy test all neg but thinking it's to early to test