Please be advised that the payments you make for Know It or Blow It are directed by and via Apple/Google.
If you receive any suspicious receipts from iTunes/App Store or Google Play, we recommend that you contact Apple/Google directly for support. We always recommend you to secure your account by never sharing your password or account information with others.
As a game company, we cannot see your payment information or make purchases without your authorization. The security of personal information, including payment methods, is the responsibility of the account owner. Apple/Google provides resolutions to keep your account information secure, and we recommend that you get in touch with them for any fraudulent charges that are made.
You can find more information in the appstore pages of Apple and Google: