How to check your data usage on an iPhone, and manage each app's data

Here's how to check your cellular data usage on an iPhone, and find specific readings for and manage each app's data.

Yes, FaceTime uses data — here's how to check how much it's using

FaceTime calls do use data, and you can check how much through the Settings app on your iPhone or iPad.
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How Much Data Does Spotify Use Per Month? The Answer's Complicated

When you're always on Wi-Fi, it's easy to overlook just how much data apps like Spotify use per month. But this becomes an issue when you have limited cellular data. Maybe you only have a 5GB monthly ...
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Rick Steves Reveals His Tips For Using Data Roaming On Your Cell Phone Safely And Smartly

Your cell phone may work abroad, but don't assume it's free. Those roaming charges can shock you with bills far exceeding expectations. To lower your costs, travel expert Rick Steves, on his website ...