How to know which app is using data?

3 answer(s)
Answer # 1 #

On iPhone: Settings → Cellular → Scroll down to see each app’s data usage.

[5 Month]
Answer # 2 #

You can restrict background data or set data limits for apps consuming more than expected.

[5 Month]
Answer # 3 #

On Android: Settings → Network & Internet → Data Usage → Mobile Data Usage. It shows app-wise data consumption.

[6 Month]