WiFi Lock is a free utility and tool application by Project Maple Ltd for Android users. This app helps you keep your WiFi radio active even when your phone is idle, ensuring that you stay connected to the internet.

This application acts as a toggle utility for the "Wireless Controls | Wi-Fi Settings | Menu | Advanced | Wi-Fi Sleep Policy" setting. WiFi Lock allows you to switch between "When screen turns off" and "Never" options, ensuring that your WiFi stays on. This is especially useful when you need to download large files or have a stable internet connection but do not want to drain your battery by constantly turning your screen on.

Overall, WiFi Lock is a simple and useful app that does what it promises. If you're someone who needs a constant internet connection on your phone, this app is definitely worth checking out.