The best alternatives to Qube are Officehours, Nearest5, and Hello for Android. If these 3 options don't work for you, we've listed a few more alternatives below.
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Interesting Chat lets you have 1-on-1 audio conversations with random strangers based on topics you're both interested in. Search through millions of interests and select them to start a conversation.
HereHere is a location based chat app designed to help you meet new people and find out what's going on where in your town or anywhere in the world. Look up and choose a place on the map to find out what's going on and who's there.