Bluenote

About

Bluenote is an Android app that lets two nearby devices chat in real time over Bluetooth completely offline,It was built for the soul purpose of descrete offline communication between members in close proximity, and it can also be used in movies as a royalty free social media app for scenes that happen in remote areas or offf-grid locations.The core challenge was building reliable BLE peer-to-peer messaging: , The app also handles common Android BLE pain points like minSdk configuration and cross-device compatibility, and ships with a working, tested chat flow between two physical devices.Tech stack: Flutter/Dart, Kotlin, and many flutter pluginsIdeal for a buyer looking to extend this into a full offline messaging product, some use cases include festivals/events, remote areas with no connectivity, disaster/emergency communication, or privacy-focused local chat.Included in the sale: full source code, documentation of the BLE architecture, and a working demo APK.