The value of a good user interface

Why are user interfaces important?

Success factor UI

A good user interface (UI) is a decisive success factor for your digital product. It plays a central role in the user experience and significantly influences how users interact with and perceive the product. An appealing design, intuitive, efficient operation, interactions via language and gestures, as well as the integration of AR/VR play an important role for us.



Increase labour productivity

Faster and more efficient work processes thanks to intuitive operation.

Increase user satisfaction

Applications are intuitive to understand and use.

Reduce errors & support costs

Clear & consistent UI minimises user errors, questions and problems.

Secure competitive advantages

In competitive markets, an excellent UI is a strong unique selling point.



For us, an outstanding user interface is more than just aesthetics – it is a powerful tool that simplifies processes, increases user satisfaction and maximises business efficiency.

– Markus Wingler, Senior Software Developer




  • User-centred design
    Our designs are centred on the needs and expectations of users in order to create user-friendly solutions.
  • Web apps and mobile apps
    With a large number of successfully implemented projects in the design and development of web and mobile applications, we have the expertise to deliver cross-platform solutions.



  • Accessibility
    We know all the important standards and guidelines for designing an accessible user interface.
  • AR / VR applications
    Our projects in the field of augmented and virtual reality offer innovative solutions for various use cases.
  • Voice interfaces
    With a range of projects that utilise voice interfaces, we take interaction with technology to a new, voice-controlled level.





Use Cases

User interfaces successful in practice

The digital world is constantly and rapidly evolving. doubleSlash is leading the way and developing the technologies of tomorrow.
Here you will find an overview of what we are currently working on.

DHL Finder

Whether Packstation, post office, DHL parcel shop or parcel box: The DHL Finder helps customers to receive and send parcels. With a wealth of information, such as opening and service times, the DHL Finder is the fastest way to the nearest DHL location – anywhere in Europe.


"Thanks to the HMI systems from doubleSlash, we can easily present our technology hidden in the vehicle to customers. The live data visualisation is immediately understood intuitively and makes it possible to convince decision-makers without a technical background of our products."
– Volker Vogel // Project Manager Networked Functions Complete Vehicle // ZF Friedrichshafen AG

Secure Password Share

Secure Password Share is our web tool for sending passwords easily and securely. The secure password exchange leaves no traces in emails and chat histories and thus significantly increases the security of your company. Have we piqued your interest?

Our expertise

doubleSlash is your partner for modern user interfaces

  • Future-proof frameworks, such as Angular in combination with TypeScript.

  • Suitable technology stack for easy maintainability and cost-effective further development of the web front end. 

  • Responsive web design and a creative user interface (UI) ensure an optimal user experience (UX).

Our experts develop for you

  • using an agile approach or the classic waterfall model.

  • with modern open source and cloud technologies for maximum cost efficiency.

  • with many years of diverse project experience in the development of modern front ends and web apps.

Our customers for user interfaces





Your contact for user interfaces

Do you have any questions about user interfaces or would you like to know more about the technology stacks we use?

Your contact

Contact picture Maria Hausknecht
Marina Hausknecht
Software Creation Consultant

+49 7541 70078-776