Engineering delivered
- Android & iOS Applications
- Responsive Web Platform
- Landing Website
- Admin & Sub-admin Dashboards
- Frontend & Backend Engineering
- API Integrations
- Wallet Infrastructure & Continuous Product Enhancements
Portfolio/Hannah
Case study · Digital Finance Super App
A modern fintech platform for cryptocurrency trading, gift card exchange, wallet services, and bill payments.

Project overview
A modern fintech platform that brings together cryptocurrency trading, gift card exchange, digital wallet services, and bill payments in one secure, fast, and user-friendly ecosystem.
At a glance
The product, platforms, market, and engineering responsibility behind the engagement.
| Metric | Details |
|---|---|
| Industry | FinTech |
| Product Type | Digital Finance Super App |
| Status | Live |
| Launch Year | 2025 |
| Market | Nigeria |
| Google Play Downloads | Public app listing available |
| Google Play Rating | Public app listing available |
| Apple App Store Rating | Public app listing available |
| Platforms Delivered | Android • iOS • Web |
| Product Ecosystem | Mobile App • Responsive Web Platform • Landing Website • Admin Dashboard • Sub-admin Dashboard |
| Abango's Role | Full-Stack Engineering (Frontend & Backend), Product Development & Ongoing Maintenance |
Hannah is available across Android, iOS and the Web. Apple does not publish download figures, and publicly verifiable store metrics were not available from the official sources reviewed.
Delivery detail
Hannah showcases Abango's expertise in building integrated fintech ecosystems that combine cryptocurrency trading, gift card exchange, digital wallet services, and utility payments within a single platform. The solution delivers secure, scalable experiences across mobile, web, and enterprise administration while enabling fast, reliable financial transactions.
Your next product
Tell us what you are solving, where the product stands, and what success needs to look like. Our team will respond with the right next step.
Typical response time: within two business days