This new mission from Iron Hack involves Design Thinking process having as a client…

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Whole Bank offers a different ways to save and manage money by giving customers innovative options such as virtual currencies.

The Problem

Whole Bank detected that the conventional Credit/Debit System shows big inconveniences for traveling customers. Customers depend on the card to be able to get money from the ATM machines or to make payments. But traveling, a lot of things may happen:

  • Customers may lose their cards
  • Some shops don’t allow credit/debit card payments
  • Physical cards are susceptible to damage. Cards’ chips, magnetic bands, and contactless technology can deteriorate during the trip.

Design Thinking Process


There is not better way to empathize with the users than listening to them. In this case I prepared an interview to find answers to the next questions, starting from introducing…

Invision is a prototyping and workflow tool. It’s helpful to share in real-time on the screen the interactions of your mockups for your wireframes, making the design process more effective and having better feedback from the users.

After creating the wireframes from Emov app, Iron Hack challenged us to discover this new app for me and give ‘life’ to those wireframes. You are welcome to test it…

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How to navigate?

  1. Click on this link (
  2. Your first view will be the landing page, click on it
  3. A map opens with your actual location, you have 3 icons on top: Hamburger Menu (left), Filter and Search…

This mission was unusual than the process we “should” follow designing a mobile application, this one was taking a step back of the view.

Emov is a mobile app to rent an electric car for short periods of time (car sharing).

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As you can see the application is done. The mission was to elaborate Hi-Fi, black and white wireframes. Coming back to black & white, saving the consistency in 7 mobile app screens.

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Designing in grayscale before adding color simplifies the most complex element of visual design and forces you to focus on spacing and laying out elements.

As Erik D. Kennedy says in 7 Rules for Creating Gorgeous UI — “design black and white first. Start with the harder problem of making the app beautiful and usable in every way, but without the aid of…


Marcelina Díaz

Visual Designer / Student of UX Design at Iron Hack Paris.

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