Sync Your Tasks With Your Time. Chronability lets you assign a time to each task so you know how much free time you have. Assign a duration to each task and so you know much free time is left in your day. Challenge yourself to be as efficient as possible by timing your tasks. The Day is Yours,. Customize your personal list of tasks so you can plan your entire day with a few swipes of your finger. Be alerted when your task is nearly completed.