Not a legitimate company
Response from developer
Thank you for your letter. Our customer service e-mail is able to receive normal mail, you confirm whether the e-mail address is filled in correctly, this is our customer service e-mail: contact@yesmaster.pro Don't worry, we will assist you to solve this problem. Please follow these steps to cancel your subscription: 1) Click on "Settings" on your iPhone 2) Click on your avatar 3) Click on "subscriptions" and enter to manage your subscriptions Please refer to this article for action: https://support.apple.com/en-us/HT202039 We hope the above is helpful to you and if the problem is not resolved please continue to contact us.