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FintechFinancial Services

FePay

Digital Payment App

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The Problem

The Danish market needed a simple, user-friendly digital payment solution for peer-to-peer transfers. Existing bank apps were clunky, and international solutions didn't support local payment rails. The startup wanted to create a 'Venmo for Denmark' - fast, simple, and secure.

1
Complex bank apps for simple money transfers
2
No local P2P payment solution
3
Multi-step process for basic transactions
4
Limited mobile-first experience from banks

What We Built

FePay is a sleek mobile payment app that enables instant money transfers with just a phone number. One-tap payments, QR code support, and seamless bank integration make money transfers as easy as sending a text.

One-Tap Transfers

Send money to any contact with a single tap. No account numbers, no complicated forms.

QR Code Payments

Pay merchants by scanning a QR code. Perfect for small businesses and events.

Bank Integration

Link bank accounts for easy top-ups and withdrawals. Direct integration with Danish banks.

Request Money

Send payment requests to friends for splitting bills, shared expenses, or IOUs.

Transaction History

Beautiful, searchable history with categories, notes, and receipt attachments.

Biometric Security

Face ID and fingerprint authentication for secure, convenient access.

The Impact

10,000+

Downloads in first month

4.8

App Store rating

99.9%

Transaction success rate

<3 sec

Average transaction time

Technical Highlights

Architecture: Kotlin Multiplatform mobile app with .NET/Node.js backend and robust security layers

Kotlin Multiplatform for cross-platform (iOS + Android)
.NET and Node.js backend with PostgreSQL
Next.js for web dashboard
End-to-end encryption for transactions
PCI DSS compliance considerations

Technologies Used

Kotlin Multiplatform.NETNext.jsNode.jsPostgreSQLPython
Working with the team was like having an extended tech team. They were responsive, professional, and delivered a mobile app that our users love. Highly recommended!
F

Founder & CEO

Fintech Client

Project Details

Client

Fintech Startup

Duration

16 weeks

Team Size

5 developers

Services

Mobile App Development, API Development, UI/UX Design

Investment

Our Price~$20,000
Industry Standard~$70,000 - $90,000
Client SavedExceptional value