eero - Blanket your home in fast, reliable WiFi
Call Meter 3G - Call Meter 3G is an app that acts as a monitoring tool for all your calls, messages, and internet data.
Plume - App for writing documents, scripts, books and more.
DataMan – Data Usage Widget - DataMan – Data Usage Widget is an application that enables its user to know how much data he has spent from the total internet package he is using.
MIWIFI by Xiaomi - Wifi router beta with a twist: you build it yourself
Data Usage - Data Usage Monitor | Your guard against data plan overages.