Designing a better task manager is the 21st century equivalent of building a better mousetrap, as such, developers have been trying to improve the to-do list as long as they've been writing code.
1location based reminders
iPhone and iPad apps tagged "location based reminders."
Checkmark Reminder App Lets You Know What To Do Where Ever You are
Checkmark is one of those productivity apps that make you wonder how the world even functioned before the smartphones. Checkmark is a ‘to-do’ list app that is so elegantly designed and easy to use that you may never need another reminder app.
