MadMuscles Charged My Card After Same-Day Cancellation

After subscribing to MadMuscles for fitness purposes, I noticed that the prices shown after the initial subscription were quite high, so I canceled the subscription on the same day. I also saw a message stating that no charge would be applied. To be extra cautious, I deleted my account as well.

Despite this, on June 13, a charge was still made to my credit card. I submitted a refund request, but no refund has been issued so far.