Network Manager-Block Internet

Feature of the Net Blocker: You can block/unblock internet for a particular app installed on your device.
The selected apps will not be able to use internet until you disable the Net Blocker Feature by unselecting the app from listing screen.

It offers Parental Control feature. You can have full-fledged control by setting the password and password can be applied from Settings screen.

Wi-Fi Manager's Option: Check network status, Find all nearby Wi-Fi networks, Track all connected devices with your Wi-Fi network, Check Wi-Fi network information, Share & Manage your Wi-Fi network.