RaspFinder

RaspFinder will tell you the IP address of your RaspberryPi on your Wi-Fi network. RaspFinder helps you to find your device in the case, when •  you are not able to access your Raspberry directly •  you can't browse your router for a connected devices list •  you have your Raspberry at hand, but too lazy to connect it via HDMI or Ethernet All you need to care about - that the Raspberry and your smartphone are on the same network.
Features: ✓ quick search: within 2-3 secs ✓ simple and intuitive interface ✓ does not include advertising ✓ low application weight ✓ decent and/or modern design