Project Type: Independent Utility App / Open Source · Stage: APK Release / Active Development · Looking for: Users, Testers & Developer Collaboration
Overview
NDrop is an app built on one idea: the fastest way to save a location is to just open the app.
Tap an NFC tag on the back of your phone and NDrop drops a pin at your exact GPS location — instantly. No unlocking, no navigating menus, no typing an address. One tap, one vibration, one saved spot. It was built to solve a problem everyone has felt at least once: walking out of a mall and standing in the parking garage with absolutely no memory of where the car is.
The core project is built independently and is now open source. I'm releasing the full Kotlin codebase to the community to use, test, fork, and improve.
What I Built
Developed natively in Kotlin with Jetpack Compose, Room, and Hilt, NDrop focuses on three tag types that all do one thing each, instantly:
- Parking tag — saves your car's location and overwrites the previous spot, since you only ever have one car parked at a time
- Discovery tag — appends a new place to your personal map, for cafés, viewpoints, or anywhere worth remembering
- Timer tag — starts a countdown that keeps running even if you close the app, and notifies you the moment it's done
Beyond the core scan-to-save loop, NDrop also includes a drop streak counter, an AR-style compass that points you back to your parked car, GPX export, shareable image cards for your saved places, a home screen widget, and multi-car support for households with more than one vehicle.
Everything runs on-device. No account, no cloud sync, no ads, no tracking — your locations stay on your phone.
Current Status
- The core Android application is feature-complete and compiles cleanly
- NFC scan pipeline, location capture, and Room database are stable
- Map rendering runs on osmdroid + OpenStreetMap — completely free, no API key, no billing account required
- Background timer service and notifications are working end to end
- Currently testing on a physical Samsung device, ironing out the last UI edge cases
What I'm Looking For
I want NDrop in people's hands to see how it holds up in daily use, and I'm looking for developers who want to dig into the codebase and push it further.
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Posted by
Bambo Mod KEITA
Try Everything !
"Versatile developer and designer from Bamako, Mali, with expertise in React, Python, and UI design. I'm passionate about exploring new tech, as seen in my work with NFC and Web Apps, and I always live by the motto 'Try Everything!' to tackle any new challenge."
