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Kidswear Resale App

UX Design

Case Study

Kidlet is a mobile app that helps parents easily buy and resell children’s clothing. Designed as part of the Google UX Design Certificate program, the project went through the full UX process, from research and wireframing to usability testing and iteration. The final prototype emphasizes simplicity, trust, and sustainability, making second-hand shopping fast, reliable, and parent-friendly.

“Image showing the Kidlet app problem and goal statements. The problem highlights parents struggling with the fast pace at which kids outgrow clothes and the lack of convenient, trustworthy resale options. The goal explains that Kidlet aims to provide a simple, fast, and reliable mobile app for parents to buy and resell children’s clothing while supporting sustainable shopping.”

“Collage of research and define phase for the Kidlet app case study. Includes sticky notes from affinity mapping, an if/then statement about creating a simple and sustainable resale platform, and a user persona named Emily, a budget-conscious mom. Her goals include finding affordable clothes and selling outgrown clothes, while frustrations include clutter, lack of time, and concerns about buyer reliability.”

“Collage of Research and Define phase for the Kidlet app case study. Includes a goal statement describing how Kidlet will let parents buy, sell, and donate children’s clothes with ease. A storyboard shows a mom downloading the app, taking pictures of clothes, and uploading listings. A user task flow diagram illustrates steps from opening the app, browsing clothes, adding items to the cart, checking out, and confirming an order.”

“Collage of the Ideate and Design phase for the Kidlet app. Includes hand-drawn wireframes and sketches of the app layout, storyboard frames illustrating user actions, low-fidelity wireframes for search and listing, and high-fidelity mobile screens. The final app mockups show the home page with options to sell or buy, a list item screen with photos, and an order summary checkout page.”

“Collage of usability testing documents from the Kidlet app case study. Includes pattern identification templates, insight identification notes, and prioritized findings. These represent part of the full usability study process carried out to refine the app design.”

“Usability testing results for the Kidlet app. The image shows a summary of key metrics including 90% task success rate, average time on task (2–3.5 minutes), low error rate, and a System Usability Scale score of 82/100. It also lists iterations based on feedback: improved button visibility, enhanced filters with kids’ sizes, refined checkout flow, and a sticky bottom navigation for faster access.”

“Outcome and reflections summary for the Kidlet app. Key points include what went well (clean design, smooth navigation, faster listing flow, improved filters, and trust features), what to improve (add messaging, show condition clearly, expand filters, explore desktop version), and reflections (small design changes had big impact, parents value speed, trust is crucial, and early iteration saved time and uncovered issues).”

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