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Adeoye Enoch Olamilekan
Adeoye Enoch Olamilekan

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Build a Mobile Wallet & Utility Payment App Like OPay with Flutter | Full Walkthrough

In this video, I’ll walk you through the mobile wallet and utility payment app I developed using Flutter and Firebase inspired by popular fintech platforms like OPay, PalmPay, and Kuda.

Whether you're a Flutter beginner or an intermediate developer, this video gives you a full demo of the key features, UI/UX, and Firebase integration used to bring this app to life.

📱 App Features:

  1. - User Registration & Login (with Firebase Authentication)
  2. - Wallet Dashboard (balance, transaction history)
  3. - Send & Receive Money
  4. - Utility Payments (Airtime, Data, Electricity, etc.)
  5. - Secure PIN System
  6. - Real-Time Updates with Firebase Firestore
  7. - Notifications & User Profiles

🛠️ Tech Stack:

Flutter (Cross-platform mobile development)

Firebase Authentication

Firebase Firestore (Real-time database)

Firebase Cloud Functions (Secure wallet logic)

Firebase Storage (for profile images or receipts)

State Management: Provider, Riverpod, Bloc

📂 Source Code & Resources:

👉 Gumroad Link:

💡 Feel free to fork, customize, and use it as inspiration for your own fintech or startup idea.

🎯 Why This App?

This app was built to simulate a real-world financial technology solution.

I wanted to challenge myself and show that you can build advanced, production-ready apps using open tools like Flutter and Firebase — without needing a big team.

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I regularly upload projects, tutorials, and walkthroughs using:

Flutter

Firebase

React Native

Fullstack app development

Tech for African startups

💬 Drop a comment if you want a full tutorial or want help building something similar.

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