Duolingo Radio

Overview

This was an individual assignment for an Interface Design course, where the challenge was to research, design, and prototype a new feature for an existing mobile application. From a list of options provided, I selected Duolingo, the language-learning app known for its playful UI and gamified learning structure.

My proposal: Duolingo Radio, a built-in feature that lets users stream curated music in their target language. The goal was to enhance cultural and auditory immersion, without disrupting the app’s visual identity or core learning flow.

Problem Statement

How might we help Duolingo users reinforce language skills outside of drills—through ambient, emotional, and auditory immersion, without leaving the app?

At the time of this project, Duolingo had recently added Stories and Podcasts, signaling interest in passive audio learning. However:

• These features were buried in the UI and not fully integrated
• There was no music feature despite strong cultural and language-learning value
• Users were already supplementing with outside content (Spotify, YouTube)

Crafting a clear problem statement is incredibly important to me because it acts as a guiding star throughout the project. It helps me continuously check that the work I’m doing is aligned with the original goal I set out to solve, ensuring the solution truly meets user needs.

Research & Insights

To understand where Duolingo succeeds, and where it falls short, I surveyed users and gathered informal feedback from peers.

Key Findings

Users appreciated Duolingo’s visual clarity and simplicity, but felt the app lacked real instruction and progress:

• “Felt more like quizzes than learning”
• “Weird sentence examples… just off”
• “Didn’t feel like I was improving after weeks”

When asked what other sources they used, three out of four participants claimed they turned to music, media, and external tools to fill in the gaps:

• "Mostly music and media content"
• "Textbooks, other online learning resources, native text"
• "Random assortment of language apps"

This validated that a built-in music experience would serve existing user behavior, not invent new habits.

Persona

Based on the research, and scope of the feature, I developed a single persona to focus on with this design.

Solution: Duolingo Radio

Duolingo Radio is a built-in music experience, offering curated playlists in a user's target language.

It's designed to:

• Reinforce listening, rhythm, and pronunciation
• Increase emotional connection and retention
• Expand cultural awareness
• Encourage app stickiness through passive listening

Design Process

After selecting Radio, I focused on integrating the feature seamlessly into Duolingo's visual and interaction design.