What uses the most data on my cell phone?

What uses the most data on my cell phone? Apps. Apps are likely the biggest data users on your phone. Anything that needs to connect to the Web to update, refresh, or download will use cell data. This means all your social media and streaming apps, from Facebook to Twitter, Spotify to Netflix, will quietly eat up your data.

Apps. Apps are likely the biggest data users on your phone. Anything that needs to connect to the Web to update, refresh, or download will use cell data. This means all your social media and streaming apps, from Facebook to Twitter, Spotify to Netflix, will quietly eat up your data.