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TOLTEM

Mobile Application — Live

Mobile Banking Application

A mobile banking application giving customers full banking services from their phone, with biometric security and offline capability.

Client
NextGen Bank
Duration
5 months
Team
7 developers
Timeline
2023
01

Impact

App Store RatingUser satisfaction
4.8★
DownloadsTotal downloads
1M+
User RetentionMonthly active users
95%
Support TicketsReduction in tickets
60%
02

The challenge

Bank customers needed access to banking services outside business hours. Existing options lacked modern security and were awkward to use.

  • Security Requirements

    Implementing bank-grade security measures

  • Offline Functionality

    Keeping the app usable without an internet connection

  • Cross-Platform Consistency

    Holding a consistent experience across iOS and Android

03

What we did

A mobile banking app with biometric authentication, real-time notifications, offline transaction queuing and financial management tools.

01

Multi-Layer Security

Layered security with biometrics at the front

  • Biometric authentication
  • End-to-end encryption
  • Fraud detection
  • Secure transactions
02

Offline-First Architecture

Local storage with background synchronisation

  • Offline transactions
  • Data synchronisation
  • Background sync
  • Conflict resolution
04

Delivered

Features

  • Biometric authentication
  • Real-time notifications
  • Offline transaction queue
  • QR code payments
  • Budget tracking
  • Multi-language support
  • Account management
  • Transaction history
  • Bill payments
  • Fund transfers

Technology

frontend
React Native, TypeScript, Redux Toolkit
backend
Node.js, Express.js, Socket.io
data
PostgreSQL, SQLite, Redis
infrastructure
AWS, Firebase, Push Notifications
integrations
Biometric SDK, Payment APIs, Banking APIs, QR Code SDK
05

Outcomes

  • 4.8★ app store rating achieved
  • 1M+ downloads across platforms
  • 95% user retention rate
  • 60% reduction in support tickets
  • Zero security breaches reported
  • Featured on the App Store

What we took from it

  • Security is the first requirement in financial apps
  • Offline capability improves the experience materially
  • Biometric authentication increases adoption
  • Real-time notifications drive engagement
06

Also relevant

Services used

More financial services work

Related case studies

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