Some ideas need more than a classic website.
We develop bespoke digital applications that open up new possibilities for your customers or support your internal workflows.
We align design and functionality with what you actually need.
Request a custom quote
Web apps
Digital applications, right in the browser.
Browser-based applications with custom functionality.
Mobile apps
Your idea for iOS and Android.
Mobile applications for smartphones and tablets.
We can support the release in the app stores. Approval is granted by the respective platform operator.
Business tools
Digital tools for your working day.
Custom applications for internal processes.
Customer portals
Digital services for your customers.
Customer areas, member portals and booking systems.
Custom features
The features your project needs.
Possible services
- Login
- User accounts
- Roles and permissions
- Appointment booking
- Orders
- Payments
- Subscriptions
- Push notifications
- Chat
- AI assistants
- Dashboards
- Calendars
- Tasks
- Files
- Documents
- Interfaces
- Admin areas
- Statistics
Project flow
Requirements analysis, concept, design, development, testing, handover.
Ongoing support
Hosting, maintenance, further development and technical support by agreement.
Together with you
What we do for you
We guide your project from the first idea through concept and design to delivery – aligning every step with you.
What sets us apart
Creative design, technical thinking and a clear commitment to quality. We build solutions that fit your brand – not off the shelf.
Why ISUFi
Custom quotes instead of fixed prices, personal support and an eye for detail. You know from the start what has been agreed.
Collaboration & communication
You have a direct point of contact, regular insight into progress and can share feedback at any time. Clear, honest and on equal terms.
Let's talk about your project.
Every project is unique. We prepare your quote individually, based on your requirements.

