Recurring charges can easily add up. CNBC picks the best apps to help you track and manage your paid subscriptions and memberships.

The business model of the Luna Band is one of its most interesting features. Most high-end fitness trackers on the market ...

Anyone who's interested in getting a fitness tracker could probably tell you how tough it is to pick one at the moment. Choosing one of the best fitness trackers or best smartwatches means doing a lot ...