Web, Mobile & SaaS Application Development
From a first wireframe to a live product in the App Store, Google Play or the browser , Nixsn designs, builds and ships applications with one dedicated Agile team and clear, transparent sprints.
Four Ways We Bring Your Product to Life
Whether you need a browser-based platform, an app on every phone, or a subscription product, we cover the full build.
Web Application Development
Secure, fast, browser-based platforms and dashboards built to scale with your business.
ExploreCross-Platform Mobile Apps
One codebase shipped to both iOS and Android: faster to build, simpler to maintain.
ExploreAndroid & iOS Development
Native apps built with Kotlin and Swift for the best possible speed and device integration.
ExploreSaaS Solutions
Multi-tenant products with subscriptions, user roles, billing and analytics built in.
Explore
Web Application Development
Custom web platforms that run in any browser: internal tools, customer portals, booking systems and data-heavy dashboards. We build them to stay fast as your users and your data grow.
- Custom portals & dashboards
- Secure authentication & roles
- Third-party API integrations
- Responsive on every screen
- Real-time features & sync
- Performance & SEO ready
Mobile Application Development (Cross-Platform)
One shared codebase that ships to both the App Store and Google Play. Cross-platform keeps your build and maintenance effort in one place while still feeling native to the people using it.
- Single codebase, both stores
- Native-feeling UI components
- Offline mode & local storage
- Push notifications
- In-app payments
- Store submission handled
Android & iOS Development
When your app depends on raw performance, deep hardware access or platform-specific design, we build natively (Kotlin for Android, Swift for iOS) for the smoothest possible result.
- Native Kotlin & Swift builds
- Camera, GPS & sensors
- Biometric authentication
- Platform design guidelines
- QA across real devices
- App Store & Play publishing
SaaS Solutions
Subscription products built to serve many customers from one platform: with the tenancy, billing, permissions and analytics groundwork handled properly from day one.
- Multi-tenant architecture
- Subscriptions & billing
- Roles & team permissions
- Admin & analytics dashboards
- Cloud hosting & scaling
- MVP to full product path
The Technologies We Build With
We pick the stack that fits your product and your budget, not the other way around.
Frontend
- React
- Next.js
- TypeScript
- Tailwind CSS
- HTML5 & CSS3
Backend
- Node.js
- Laravel / PHP
- Python
- PostgreSQL & MySQL
- REST & GraphQL
Mobile
- Flutter
- React Native
- Kotlin (Android)
- Swift (iOS)
- Firebase
Cloud & DevOps
- AWS
- Docker
- CI/CD pipelines
- Git & GitHub
- Monitoring & logging
From First Call to Live Product
A clear, repeatable path, so you always know what is being built and what comes next.
Discovery & Scope
We map your goals, users and must-have features into a written scope and a realistic plan.
UI/UX Design
Wireframes first, then a polished interface design you approve before any code is written.
Agile Development
Short sprints with working builds you can open and try: no black box, no long silences.
Testing & QA
Functional, device and performance testing so problems are found before your users find them.
Launch & Support
Deployment, store submission where needed, then ongoing updates and monitoring after go-live.
What You Get Working With Us
One team, one process, and a product you actually own at the end of it.
One Dedicated Team
The same designers and developers stay with your project from kickoff to launch, no hand-offs to strangers.
Transparent Sprints
Agile delivery with regular check-ins and working builds, so progress is something you can see, not just read about.
Security Built In
Authentication, permissions and data handling are designed into the build, not bolted on at the end.
Built to Scale
Architecture and hosting chosen so your product keeps performing as users, data and features grow.
You Own The Code
Full source code, repositories and accounts are handed over to you, your product stays yours.
Support After Launch
Updates, OS compatibility and performance monitoring continue after go-live, so nothing quietly breaks.
Frequently Asked Questions
The things clients usually want to know before starting an app project.
It depends on your product. Cross-platform (Flutter or React Native) covers both stores from one codebase and is usually the more efficient route. Native (Kotlin or Swift) makes sense when you need maximum performance, heavy device hardware use, or platform-specific design. We'll recommend one after understanding your requirements.
Cost depends on the feature set, the platforms you need and the integrations involved. We scope each project individually and give you a clear written quote before any work starts, so there are no surprise invoices later.
Yes. We start with a technical audit of what already exists, share what we find, and then agree on whether to continue building on it, refactor parts of it, or rebuild. You get an honest assessment either way.
Yes. For mobile projects we handle listing setup, store assets, review requirements and the submission itself, so you're not navigating the approval process on your own.
We work in Agile sprints with regular check-ins and a working build you can open and test at the end of each one. You see real progress continuously instead of waiting until the end to find out what was built.
We offer ongoing maintenance covering bug fixes, OS and browser compatibility, performance monitoring and new features, so your product keeps working as platforms change around it.