confused......

Kirsty2889 • mummy to 2 girls and 1 ectopic 16/11/17. expecting our 🌈🌈 21/11/18

so i have both ovia and glow (obvs) and they say different things apart from my af due date 26th/8. i had my mirena removed on july 10th which led to af for 7 days, two weeks off, then af heavy for 3 days, spotting for 4 days and now i am 3-4 days late but i have been getting mixed test results! i even went to my gp this morning and they got a negative! according to glow im 17dpo and my other app im 12dpo??? frer's from sat

now my tests from today.....