This app steals your money.
Response from developer
Thank you for the information! All subscription terms are spelled out in our app, and we're sorry if we confuse you. Unfortunately, as developers, we do not have access to user accounts to process refunds directly. For assistance with the refund process, we recommend contacting Apple Support at https://support.apple.com/en-us/HT204084 . For any additional assistance, please contact us at resave.info@gmail.com. Thank you for your understanding.