We believe that your WiFi is blocking connections to our server
If you are experiencing connection problems on WiFi at home, please read the following:
Recently we observed that the users who have OpenDNS configured on their routers experience a problem with connection. We are currently working on the root cause identification and its elimination. As a workaround you may try to configure an alternative DNS server on your router (e.g. Google DNS: 184.108.40.206 or 220.127.116.11)
Also, you can change DNS settings directly on your device.
Here is a link showing how you can do this on your iOS device, or you can follow instructions in the VideoTutorial
Here, you can find instructions on how to change DNS settings on Android device, instructions on the link are as shown in this video tutorial