If you're not currently on an unlimited data plan with your carrier, it can be really helpful to know exactly how much data you've used in a month.

If you're concerned about how much data your iPhone is using, here's how to check in the iPhone settings and tips on how to lower your usage.

This guide will show you how to check your data usage on your Phone, unless your plan comes with unlimited data then it can be a good idea to monitor how much data you are using, especially if ...

Check Internet Data Usage lets you track data usage and Wi-Fi use. You'll need to input your data limits manually; then, the app will notify you when your limit has been exceeded.

How Do I Check My Wi-Fi Usage? Most home routers have some form of built-in data usage tracking. You can access that via your router's admin panel.