How to find audience overlap for multiple Instagram accounts?

I found this site https://influencity.com/pricing but they ask 400 dollars/month :money_with_wings: which I find too expensive.

Do you know other cheaper options?

Scraping and then sort the results?

you can use Jarvee to scrape as much data as you want for a good price they have multiple filters options that can help you in your audience targeting the data will be scraped in an excel file which will be easy to sort