Remindee is the best reminder app. It helps you remember anything by just writing it down. 

The main purpose of Remindee is to remember anything that you might forget to do. For example, if you have to call a friend or make a meeting, you can just write down the phone number or the meeting time and place and then you won't forget anything. The app is useful for anything that you need to remember, like reminders or dates or times. It's a simple and useful reminder app that helps you remember things easily.

The main reason why Remindee is so good is that it's really easy to use. You just need to write down the reminder in the text field and the date and time. That's all. You don't need to add any more information. The app will remind you on the date and time that you have set. You can also add multiple reminders for the same date and time.