Custom Web & Mobile App Development
Build powerful, scalable applications that drive business growth. Our expert developers create custom web and mobile solutions—from responsive web apps to native iOS and Android applications.
- Modern tech stack: React, Next.js, Flutter, React Native
- Data-driven applications with seamless integrations
- End-to-end development from design to deployment
Challenges We Solve
Building modern applications requires expertise across multiple technologies. We help you overcome common development challenges.
Legacy System Integration
Old systems don't communicate with modern applications, creating data silos.
Our Solution: We build integration layers and APIs that connect legacy systems to modern web and mobile apps seamlessly.
Cross-Platform Complexity
Maintaining separate codebases for web, iOS, and Android is expensive and slow.
Our Solution: We use React Native and Flutter to build once and deploy everywhere, reducing costs by up to 40%.
Scalability Concerns
Applications struggle to handle growing user bases and increasing data volumes.
Our Solution: We architect applications with cloud-native patterns, auto-scaling, and efficient data strategies from day one.
Security Vulnerabilities
Applications expose sensitive data through poor security practices.
Our Solution: We implement security best practices including authentication, encryption, and regular security audits.
Poor User Experience
Slow, clunky interfaces drive users away and hurt conversion rates.
Our Solution: We focus on performance optimization, intuitive UI/UX design, and mobile-first responsive layouts.
Data Analytics Gap
Applications collect data but don't provide actionable insights.
Our Solution: We integrate analytics dashboards and reporting features that turn your app data into business intelligence.
Our Development Services
From concept to launch, we deliver end-to-end development solutions tailored to your business needs.
Web Application Development
Modern, responsive web applications built with cutting-edge technologies that scale with your business.
- React, Next.js, Vue.js development
- Progressive Web Apps (PWA)
- E-commerce platforms
- Custom dashboards & admin panels
- API development & integration
- Performance optimization
Mobile App Development
Native and cross-platform mobile apps for iOS and Android that deliver exceptional user experiences.
- React Native & Flutter apps
- Native iOS (Swift) development
- Native Android (Kotlin) development
- App Store optimization & deployment
- Push notifications & real-time features
- Offline-first architecture
Data-Driven Applications
Applications that leverage your data infrastructure for real-time insights and intelligent features.
- Database-connected applications
- Real-time data dashboards
- Analytics & reporting interfaces
- AI/ML-powered features
- Data visualization tools
- Enterprise system integrations
Project Highlights
Real results from our web and mobile development projects.
Mobile Banking App
Built a cross-platform mobile banking application with biometric authentication, real-time transactions, and account management.
Patient Portal Web App
Developed a HIPAA-compliant patient portal with appointment scheduling, telemedicine, and medical records access.
Omnichannel Retail Platform
Created a unified e-commerce platform with web, iOS, and Android apps, integrated with inventory and POS systems.
Why Choose Zatsys
We combine deep data expertise with modern development practices to build applications that truly work for your business.
Data-First Development
Unlike typical dev shops, we understand databases. Your apps connect seamlessly to SQL Server, Oracle, MongoDB, and more with optimized queries and efficient data flows.
Full-Stack Expertise
From database design to frontend UI, we handle the entire stack. No handoffs, no communication gaps—just cohesive development from one experienced team.
Enterprise-Grade Quality
We build applications that meet enterprise security, compliance, and scalability requirements. Your app is ready for growth from day one.
Agile Delivery
Transparent sprints, regular demos, and continuous deployment. You see progress every week and can adjust direction as needed.
Long-Term Partnership
We don't disappear after launch. Ongoing support, maintenance, and enhancements ensure your application continues to deliver value.
Proven Track Record
Years of experience delivering successful projects for enterprises across finance, healthcare, retail, and technology sectors.
Ready to Build Your Next Application?
Schedule a free consultation with our development team. We'll discuss your project requirements, recommend the best approach, and provide a detailed proposal.