CycleNation is a free iPhone application developed by the American Heart Association in the Utilities & Tools category. It allows users to do their fundraising and track their physical activity conveniently on the go.

With CycleNation, users can connect to Apple HealthKit to track their physical activity and monitor their progress within the app. Whether you're walking, running, or cycling, you can easily log your activities and see how you're progressing towards your fundraising goals.

In addition to activity tracking, CycleNation also provides features to update your fundraising webpage and send texts and emails directly from the app. This makes it easy to stay connected with your supporters and keep them updated on your progress.