When android...
bitchat now has regional chat, using geohashes and nostr (kind 20000). in TestFlight. https://github.com/permissionlesstech/bitchat/releases/tag/v1.3.0
Discussion
Ported by nostr:nprofile1qqs9pk20ctv9srrg9vr354p03v0rrgsqkpggh2u45va77zz4mu5p6ccpzemhxue69uhk2er9dchxummnw3ezumrpdejz7qgkwaehxw309a5xjum59ehx7um5wghxcctwvshszrnhwden5te0dehhxtnvdakz7qrxnfk hopefully it's updated soon.