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Show HN: Convosphere – Real-life proximity chat

2 jothetaha 3 8/21/2025, 8:25:23 PM convosphere.app ↗
The idea for Convosphere came to me a few years ago, when I was visiting a friend in Sardinia. I had just landed at the airport and needed to get to the train station. I wanted to share a taxi with someone else but didn’t feel like going around asking people one by one. That’s when it struck me: what if there were an app that allowed me to instantly connect with everyone nearby – like a group chat for people in the same location? That became the seed of the project.

On the technical side, Convosphere is built with Flutter for cross-platform development, and the backend currently runs on Firebase+Firestore. The app is available as a web app, Android, and iOS, and it supports location-based group and one-to-one chat, events, and a trust score system for safer interactions.

You can try Convosphere at the following links:

WebSite: https://site.convosphere.app/

WebApp: https://convosphere.app/

Android: https://play.google.com/store/apps/details?id=com.convospher...

iOS: https://apps.apple.com/it/app/convosphere/id6737458247

Feedback welcome!

Comments (3)

atmanactive · 1h ago
I love the idea, was waiting for ~20 years to materialize. The UI on Android/Web is very inaccessible. Tiniest fonts I ever seen on my screen. Also, on the radius selection widget, the counter showing "1 online" is confusing: I believe the counter should not count myself.
rickcarlino · 4h ago
This is a great idea! You should try using the app on Firefox mobile iOS, it has a lot of issues. I am using it on desktop in the meantime.
jothetaha · 3h ago
Thank you very much for your feedback. Yes it works the best if you download it as mobile app for ios or android. Also works good as Web App from desktop. If you try to run it from mobile browser it may not work.