NotifyMe – Your To Do List in the Cloud
http://www.notifymecloud.com/

It’s super fast to enter a new reminder. They keep things easy, yet also provide advanced features. Syncing is fully automatic and free. Reminders are stored in your user account. No subscriptions. Just create your account in NotifyMe. You can create, manage and receive alerts for your reminders wherever you are. NotifyMe is available for iPhone, iPad and Mac. Create a reminder on your Mac, leave your office and receive the alert on your iPhone. Or any other way. You can choose where the alert appears, or let it alert everywhere. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.