Koin Improving food-ordering usability with Firebase

Student community platform Koin · Sep–Oct 2020

I improved search and browsing for nearby campus shops so students could find menus faster and complete phone orders in less time.

A difficult ordering journey

Even with shop data available, students struggled to find the right menu and complete an order.

I hypothesized that faster information discovery would reduce ordering time and selected task completion time as the KPI.

Ordering flows in delivery apps were reviewed to identify useful patterns and opportunities for differentiation.

Users were divided into those seeking a specific shop and those exploring possible menus.

A dedicated real-time search flow helps users reach a known shop directly.

Collapsing long menus and recommending similar shops shortened exploratory browsing.

Collected flyers are presented as zoomable images for quick menu scanning.

Closed shops are marked as preparing and moved down the list to prevent wasted navigation.

A fixed call button lets users order immediately after reviewing a menu without scrolling back to the top.

Five improvements—search, recommendations, flyers, opening status, and the call action—were released in the app.

Task-time comparison showed that ordering became about 44% faster after the redesign.