Case Study


UX researcher, UX designer, UI designer​​​​​​​


Dec 2022


user research, wireframing, prototyping, designing

The product

Application is for helping people with diets and finding recipes.


People want to eat healthy meals and be aware of their diet.


Create app that will allow to browse recipes, add user’s diet and manage shopping list.

Nutrition App Mobile

Understanding the user

User research: summary

I conducted user interviews and created empathy maps to understand the users. A primary user group identified through user research was working adults with some diets or meal problems.

This user group revealed problems like: Add/Edit my diet, Search based on diet, Create shopping list to know what to buy.

User research: pain points

Searching with the diet
Needs of searching based on diets. 
Shopping list
Do not know what to buy to cook the meal based on the recipe.
Missing assistive technologies

Persona: Liz

User journey map

Mapping Liz’s user journey revealed how she can cook with her special diet.

Problem statement

Mapping Liz’s problem statement revealed how she can cook with her special diet.

Starting the design


Paper wireframes

My sketches for the application. 

Digital wireframes

Low-fidelity prototype

Usability study: parameters

Study type

Unmoderated usability study


5 participants


Prague, remote


20-30 minutes

Usability study: findings

Round 1 findings

1.  Users want to edit diet

2.  Users want edit profile

Round 2 findings

1.  Users want to search based on their diet

2.  Users want more information about food in search results

Refining the design


Mockups: Original screen size

Accessibility considerations


Adding advanced search for searching meals. With options to select diet and type of meal like breakfast, lunch, etc.


Adding advanced shopping list to track what is already at home.

Going forward



Number of visitors are doubled than we expected.

What I learned

I learned that doing a usability study multiple times is very useful.

Let me leverage creativity and technology to accomplish your mission.