Christian Diaz

Christian Diaz

Tiendatek Control

About the Project

Tiendatek Control is a complementary tool for Tiendatek, a Point Of Sale system for small shopkeepers in Mexico City. This app pivoted from Compratek, and lets the owners see remotely how things are going in their shops.






To comply with my non-disclosure agreement, I have omitted and obfuscated confidential information in this case study. The information in this case study is my own and does not necessarily reflect the views of Frogtek

How we got there


When we were researching for Compratek, we found out that there were other priorities for the owners of the shops. Most of them were entrepreneurs who manage 2 or 3 shops at the same time, and they found really difficult to keep track of everything that was going on. Since the owners are the clients of the product, we also learned that the real value was for them and not really for the users (their employees).


First proof of concept and validation


We built a quick prototype which showed some of the most important information that the owners needed to see:

  • Earnings of the day, so far
  • Live activity feed
  • Products sold
  • Purchases
  • Reports

We took this prototype to the users, and they liked it a lot. They said that there was a lot of potential to this tool because they often live ignoring what happened trough the day in their shops, and they only find out when they come to close for the day.

Pixel Perfect Design and Implementation

The first version of Tiendatek Control was an MVP with the most necessary info that the owners requested. Once we validated that with them, I was in charge of giving this a clear and gorgeous overhaul.

I gave the real-time earnings counter the most important part of the design since it’s the first thing that the owners wanted to know. Then, I divided the rest of the information on four different tabs: “Live feed”, “Sales”, “Purchases” and “Reports”. This was flexible enough to keep adding more features and keeping them organized.

This was successfully implemented as a web app for iOS and browsers, and as a standalone app on Google Play Store for Android.


More features implemented

After the successful launch of the app, we kept adding more features based on the feedback of the owners. Some of them were:

  • The ability to print reports from web or the Android App
  • Reports divided by employees work shift
  • Total value of the inventory, earnings, and investment
  • Reports divided by Daily, Weekly, and Monthly