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

Many smartphone users rely on digital subscriptions as a source for entertainment, physical fitness and connecting with others. You can sign up for most streaming services, exercise clubs or dating ...

I have a lot of apps on my phone. Many of these are there because I want them to be; some are there because I test them out for work; and others are a total mystery. What's worse, some of those—and ...