I developed a comprehensive community management mobile app for the Dalwadi Samaj community featuring family tree visualization with 75+ relation types in Gujarati/Hindi/English, digital membership cards, direct messaging, venue booking, coins/rewards system, and push notifications.
The Dalwadi Samaj is a close-knit community with deep family connections spanning generations. When community leaders approached me, they had a simple request: "We want our members to stay connected." What they actually needed was a digital platform that respects tradition while embracing technology. As a member of this community myself, I understood the nuances.
This was the most technically complex and culturally significant feature. Indian family structures are intricate. A person can have relationships that English doesn't even have words for.
I mapped 75+ relation types across three languages:
const relations = {
'father': { gu: 'પિતાજી', hi: 'पिताजी', en: 'Father' },
'kaki': { gu: hi en
Building the tree visualization was one thing. Making it culturally accurate was another. I consulted with community elders to ensure every relationship label was correct. Getting કાકા (father's younger brother) vs બાપુજી (father's older brother) wrong would be more than embarrassing - it would be disrespectful.
Physical membership cards get lost. The digital version lives in the app with:
The QR code can be scanned at community events for instant verification. No more "I forgot my card at home."
Community members needed a way to communicate within the platform. Instead of building a full messaging system from scratch, I built a focused implementation:
The messaging stays within the community. It's not trying to replace WhatsApp - it's providing a dedicated channel for community-related communication.
The community owns several venues (halls, grounds) that members can book for events. The booking system handles:
Engagement gamification. Members earn coins for:
Coins can be redeemed for venue booking discounts or community store credits.
The app integrates Google AdMob for non-intrusive ad placement. Revenue goes back to the community fund. Ads are:
The stack is split into:
Mobile App - Expo SDK 54 with React Native. I chose Expo for faster iteration and OTA updates. The community doesn't need to update through the app store for minor fixes.
Backend API - Next.js 16 with App Router, running on a VPS. PostgreSQL with Prisma for the database layer. The API handles authentication, data, file uploads, and push notifications.
Push Notifications - Firebase Cloud Messaging for both Android and iOS. Notifications for messages, event reminders, membership renewals, and community announcements.
The app supports English, Hindi, and Gujarati. But it's not just translated labels - the entire content flow changes. Family relationship names, date formats, address formats, and even the reading direction considerations for Gujarati script.
Instead of relying on EAS Updates (paid), I built a self-hosted OTA update system. The app checks for updates on launch and downloads bundles from our own server. This keeps costs down and gives us full control over the update pipeline.
This isn't just a CRUD app with a pretty face. It's a cultural preservation tool. The family tree database is essentially a digital genealogy record for the entire community. Decades from now, future generations will be able to trace their roots through this data. That responsibility weighs on me, and I take it seriously.
Built with excellence in mind
Optimized for speed & scalability
Battle-tested with real users
Responsive across all devices
Maintainable & well-documented
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