If you estimate your time and don't want to spend it on typing with the help of T9... If you need an application that will remind you about important events or ideas you need to implement at a certain time... Then you should definitely try BestNotes, which greatly combines functions of voice notes and reminders and also has handy views for viewing events sorted by months, days, categories and a lot more.
When time for reminder comes you will see a dialog where the selected alarm sound will be played. If it is a voice reminder you'll be able to listen to a record. A function for putting off the reminder to a certain time in also available - Snooze.