Spotting or AF? TTC

My last period was 7th July for 4 days. I’m very irregular so I’m not sure when I’m due back on.

I started spotting 2 days ago which as been red/then pink and today it’s now brown/redish. Don’t need a tampon/pad either as it’s a very small amount on the tissue.

For the past 5 days Iv had flashing smileys on my ovulation test too.

I’m very confused what it could be.

I’m worried it’s AF, I just don’t want to feel that disappointment again 😔😔

Thank you