OAOADEVELOPERSSOFTWARE & MOBILE APPS
Case Studies

Real projects built for real operations

Detailed case studies of the software we built, how it works, and the problems it solves.

Case Study 1

Next Level RX

4 weeks

Clinician-guided health consultation and intake web platform

nextlevrx.com

What it does

An education-first healthcare web platform that guides patients through an online intake questionnaire, medical review, and personalized care routing.

Who it is for

Healthcare providers, clinics, and telehealth teams managing patient consultations.

What we built (platform & stack)

React, Next.js, TypeScript, ECharts visualization, custom intake flow engine, and multi-region routing.

Real outcome

Live in production with a 6-step guided intake, state-level eligibility routing, and automated consultation handoff to clinical care teams.

Production Interfaces & Screenshots

Next Level RX - Desktop patient intake and consultation platform

Desktop patient intake and consultation platform

Live
Next Level RX - Mobile consultation form and regional routing

Mobile consultation form and regional routing

Live
Case Study 2

Indian Dairy Manager

8 weeks

AgriTech dairy collection and farmer accounting system

indian-dairy.in

What it does

An offline-first dual-app platform that lets rural dairy collection hubs record milk intake, test live fat/SNF rates, and print slips without active internet.

Who it is for

Dairy cooperatives, private milk chilling hubs, and rural collection centers working with local farmers.

What we built (platform & stack)

Flutter for Android, SQLite / Drift on-device database, NestJS, PostgreSQL, Bluetooth milk analyzer integration, and thermal slip printing.

Real outcome

Operating across 320+ collection hubs serving 5,400+ farmers with digital passbooks and a 99.9% database sync reliability rate.

Production Interfaces & Screenshots

Indian Dairy Manager - Milk collection center operator dashboard

Milk collection center operator dashboard

Live
Indian Dairy Manager - Farmer passbook and milk slip mobile app

Farmer passbook and milk slip mobile app

Live
Case Study 3

Rango

6 weeks

Local on-demand service booking platform

rangoapp.inGoogle Play

What it does

An on-demand marketplace connecting customers with verified local drivers, electricians, plumbers, and mechanics with zero aggregator commission.

Who it is for

Local service professionals, independent drivers, and customers needing immediate verified services.

What we built (platform & stack)

Native Android application (Kotlin), Next.js web portal, GPS proximity matching engine, and Google Play Store deployment.

Real outcome

Live on the Google Play Store with 5,000+ downloads, a 4.5-star rating, and active bookings across 10+ service categories.

Production Interfaces & Screenshots

Rango - Desktop dispatch and booking management portal

Desktop dispatch and booking management portal

Live
Rango - Customer Android app booking flow

Customer Android app booking flow

Live
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