App Development Services.

Industry-standard software solutions for mobile, web, and desktop. High-performance, scalable, and production-ready.

Flutter MVP Development

Launch your startup with a high-performance cross-platform app. See how I built the [Ki-Sun AI App](/work) in 4 weeks.

Cross-platform App
Firebase Integration
Clean Architecture
App Store Submission

Timeline

4 Weeks

Pricing

$2,499

App Performance & Bug Fix

Professional debugging and optimization. We fix slow apps and memory leaks, building on [engineering excellence](/about).

Full Code Audit
Performance Tuning
Security Hardening
Firebase Cleanup

Timeline

1-2 Weeks

Pricing

$999

Custom React Web Apps

Scalable web dashboards like the [Aios Enterprise Platform](/work) built with Next.js and Node.js.

Responsive Dashboard
Role-based Auth
API Integration
MongoDB/Firestore

Timeline

6 Weeks

Pricing

$2,999

Enterprise Desktop Software

Native Windows applications built with C# and .NET for high-security and [local performance](/about).

Native C# Core
Offline-First Sync
Hardware Integration
Custom UI/UX

Timeline

8 Weeks

Pricing

$3,499

POS & Inventory Systems

Complete retail management solutions with [cloud backup](/blog/app-security-basics) and multi-user roles.

Inventory Engine
Sales Analytics
Thermal Printing
Cloud Backup

Timeline

12 Weeks

Pricing

$4,999

Backend & API Engineering

Robust server-side architecture using Firebase or Node.js. Secure, scalable, and [real-time](/blog/firebase-with-flutter).

Cloud Architecture
Database Schema
Real-time Sync
Security Rules

Timeline

3 Weeks

Pricing

$1,499

Software Engineering Trust

"Rehan delivered our AI skin analysis app with incredible speed and professional architecture."

Global Beauty Brand2024-11-12

"The dashboard Rehan built for us is fast, scalable, and secure. Best developer in Pakistan."

SaaS Enterprise2025-01-05

FAQ: App & Web Development

What is your primary tech stack?

I specialize in Flutter for mobile apps, React/Next.js for web development, and C#/.NET for desktop software applications.

Do you offer cross-platform development?

Yes, using Flutter I build apps that run flawlessly on both iOS and Android from a single codebase, saving you time and budget.

Can you help rescuse a failing project?

Absolutely. I provide code audit and bug-fix services to stabilize projects and prepare them for production release.

Where can I hire you as a Flutter developer?

You can reach out through my contact page or find me on platforms like LinkedIn, Fiverr, and Upwork for project-based work.

Ready to Build Your Next Big App?

Whether you need a Flutter MVP or a complex enterprise POS system, I am here to deliver excellence. Let's discuss your project goals.