APKPure Appを使用する
WiFi Saver - Boost & Detect Connectionの旧いバージョンをダウンロードすることが可能
ステータスWiFi接続を監視＆アプリがバックグラウンドでデータを消費するかを確認
WiFi Saver is a powerful, simple and free tool designed to monitor WiFi status and protect your Internet activates. It can scan all devices connected to your personal WiFi hotspot, and speed up network connection by closing apps running in the background.
Features：
✔ WiFi Security Check
Check whether the WiFi you’re connected to is safe. Protect your personal privacy and property.
✔ Boost WiFi Speed
Detect and stop apps that are secretly using WiFi or cellular data in the background, boost your phone, making sure you always have maximum WiFi speed.
✔ WiFi Monitor
Scan all devices connected to your personal WiFi hotspot, including Android Phones, iPhones/iPads, PCs. Show details of all connected devices, so you can find out who is consuming your WiFi and slowing down its speed.
The features listed above are available for free.