Factura Simple is the leading electronic invoicing service in Uruguay for SMBs. The challenge was to design and develop the leading electronic invoicing brand, mobile and web application. The goal was to make it the simplest to use while being compelling for SMBs and entrepreneurs. We created the brand identity and the UX/UI designs of their web and mobile application with the one concept in mind that mattered the most,… simplicity “It must be so easy to use that even a monkey could do it”. Following this concept, we developed Factura Simples’s character a friendly Monkey. The logo resembles a bent invoice, like an origami, that also transmits that Factura Simple can adapt to any type of business. We developed the website in a simple landing page format. The design and information shown is displayed in a super friendly and easy to read manner. The main chosen colors were blue because it transmits calm, fidelity, trust and security, and yellow because it is deeply associated with innovation, fun, happiness and … bananas!