Android: If you want to find the strongest network signal, locate public Wi-Fi hotspots, monitor your mobile data usage or test your data speeds, this app is for you. OpenSignal is great do-it-all app for everything related to your mobile and Wi-Fi signal.
The video above shows the many useful features in OpenSignal. The Dashboard screen offers a compass which points to the nearest cell tower and actual signal readings for your voice and data signals. The Stats screen keeps tabs on your data, talk and text usage, as well as signal strength history. It's a handy app to have if you want to improve your reception. Check it out at Google Play.
OpenSignal [Google Play]