The best alternatives to Reach are Roomvine, Yik Yak, and Amplichat. If these 3 options don't work for you, we've listed a few more alternatives below.
Amplichat helps users connect with people nearby. With Amplichat, users can share message with people nearby and post message on map. We have launched a desktop app, a mobile app, an iOS app. Discover what's happening around and have fun!
LocalBrackets is a community driven platform that offers people the opportunity to socialise with those who share their interests. It makes it easy for users to create, find & join brackets, and collaborate with ease, and helps communities foster & develop.