Reminder Guru is free and easy to use. Just head over to its main page and sign up with them. Once you are signed in you can start setting your options to create a reminder. You can choose whether you want the reminder to be a one time deal or recur on a weekly, monthly or yearly basis. The next thing you do is to provide your email address and phone number. You will be then directed to select the way you want to get your reminder . you can choose from three ways : through email, a text message, or a phone call. There is a security code that you will have to type in to finalize your reminder. Reminders can be viewed and easily deleted from your account anytime you want.
Head over to Reminder Guru and give it a shot.