We have introduce many nice todo apps, but if you want to more detailed customize your reminding rules, the task manager Task To Do List Manager should be more suitable for you.
Task To Do List Manager is a versatile task manager app developed by Shanghai Jia Feng Software, and designed for both iPhone and iPad. The iOS app features simple and easy-to-use user interface, and is able to access your Reminders. Most importantly, the task manager allows you to more freely customize recurrence rules such as every 2 months on the second Monday, every one month on the last weekend day, and more. Apart from that, you can also find and remove all the duplicate reminders by one click, and conveniently edit those existing reminders, or share your tasks with friends or colleagues via Email, message, Facebook and Twitter.
Task To Do List Manager with a size of 1.1 MB is compatible with iPhone (optimized for iPhone 5), iPod touch and iPad running iOS 6.0 or later. The iOS app is free for a limited time at present. If you’re interested, jump to App Store for more details.