Worry about the reminders deleted from your iOS devices can be got back by others? SafeEraser can help you erase all reminders on your iPad/iPhone/iPod touch completely, returning the device to a "clean slate" state before you resell it. Others would not find any reminders even with a iPhone Data Recovery.
SafeEraser - iPhone Data Eraser, Wipe iPhone Permanently, Delete Data Before Selling
> Permanently wipe all personal information from iPhone
> Works with all iOS devices - Jailbroken iPhone friendly and also compatible with carrier-locked iPhones
File Types Supported to Erase
Contacts, SMS Text Message, Call History, Calendar, Email, Note, Reminder, iTunes DB, App (and generated data), System setting, Apple ID, Photo, Video, Voice memo, Keyboard Cache, Safari Bookmark, Passbook, and more