This app won't take the place of Reminders or other scheduling apps that offer alarms--Clear sticks to simple list making, and it does a fine job.
The first thing I noticed about the app is the lack of interface buttons. You never hit a button called "menu" or rely on arrows to turn pages (though you will use the iPhone type pad). Instead, you navigate around this to-do list app using swipes and pinching gestures with delightful sounds as you complete each action. While looking at a list, a swipe down creates an empty list item so you can type in your next task. A swipe to the left on an item deletes it from the list. A swipe to the right crosses out an item and puts it at the bottom of the list for when you want to see each completed task. You can touch and hold an item to drag it down the list, or do a pinch gesture to go one level up to see all your current lists. I found that once I got the hang of the various gestures, creating and managing lists became second nature.
You have a few options in settings that are worth noting as well. Different themes are available to give you some variation on the default Heat Map theme. You can also choose Graphite (blue-gray), Pretty Princess (pink), Lucky Clover (Green), or Theme Noir (black and gray). There are even a few hidden themes that take some work to unlock. Unfortunately, you won't be able to make different lists different colors in Clear because you can only change the global theme. Also worth noting in the settings is the Tips and Tricks section, where you'll find many of the common gestures described.
A recent update to Clear adds a few feature enhancements and other tweaks that fans of the app will appreciate. You can now shake your phone to undo your last action. There is no longer a character cap for your list entries (be careful with this one lest your list point turn into an essay. RealMac Software has also added new hidden themes (CNET's Jason Cipriani gives you the clues here). Other tweaks include new UI elements, the option to display the iOS status bar, added inspirational quotes, and more.
Clear is a fairly simple task manager, but offers an ease of use that makes it convenient for those who like to make exhaustive lists. If you just want a way to make lists and cross off tasks, Clear is an elegant choice.