Portfolio/Hannah

Case study · Digital Finance Super App

Hannah

A modern fintech platform for cryptocurrency trading, gift card exchange, wallet services, and bill payments.

Product showcaseLive system
Hannah app across tablet, phone, and laptop

Project overview

Digital Finance Super App

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.

Android & iOS ApplicationsResponsive Web PlatformLanding WebsiteAdmin & Sub-admin Dashboards

At a glance

Project snapshot

The product, platforms, market, and engineering responsibility behind the engagement.

MetricDetails
IndustryFinTech
Product TypeDigital Finance Super App
StatusLive
Launch Year2025
MarketNigeria
Google Play DownloadsPublic app listing available
Google Play RatingPublic app listing available
Apple App Store RatingPublic app listing available
Platforms DeliveredAndroid • iOS • Web
Product EcosystemMobile App • Responsive Web Platform • Landing Website • Admin Dashboard • Sub-admin Dashboard
Abango's RoleFull-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

Scope and engineering impact

SCOPE / 01

Engineering delivered

  • Android & iOS Applications
  • Responsive Web Platform
  • Landing Website
  • Admin & Sub-admin Dashboards
  • Frontend & Backend Engineering
  • API Integrations
  • Wallet Infrastructure & Continuous Product Enhancements
SCOPE / 02

Product capabilities

  • Cryptocurrency & Gift Card Trading
  • Digital Wallet & Asset Management
  • Airtime, Data & Utility Payments
  • Fast Crypto & Gift Card Settlements
  • KYC & User Authentication
  • Transaction Management
  • Push Notifications & Customer Support
SCOPE / 03

Project highlights

  • Available on Android, iOS & Web
  • Gift card redemption completed in under 5 minutes
  • Unified platform for Crypto Trading, Gift Cards, Wallet & Bill Payments
  • Fast transaction processing with instant settlements
  • Secure wallet infrastructure with KYC and fraud protection
  • Responsive cross-platform experience with enterprise administration
  • Optimised for secure digital asset management and payment services
  • Demonstrates Abango's expertise in engineering scalable, multi-service fintech platforms
SCOPE / 04

Engineering impact

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.

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