ovulation help

so ive got four apps which say different ovulation

bbt chart attached does it look ok ?

and when do you think i ovulated ive put my strip pics aswell

i got one app says im 11dpo one app says 10dpo one app says 9 dpo and another that says 6 dpo

had peak lh strips from cd13 till cd17

from cd18 lh strips have gone from high to low now

normal cycle is 34 days