Jeebin Yim
EN/KR

Product Designer | Jul 2022 – Dec 2023

Ringle AI Analysis

English Proficiency Diagnostic

Ringle AI Analysis

Role

Product Designer

Timeline

Jul 2022 – Dec 2023

Team

Design, ML Engineering, PM

Skills

Product Design, Data Visualization, User Research, AI/ML Integration

Overview

How might we help English learners understand their proficiency objectively?

Ringle users wanted to understand their English proficiency beyond subjective feedback. The challenge was to create an AI-powered diagnostic system that analyzes real speaking data and presents insights in a way that motivates continued learning.

Problem

Learners struggled to understand their actual English level

Before AI Analysis, Ringle users received qualitative feedback from tutors, but lacked objective, data-driven insights into their proficiency. This made it difficult to track progress over time and identify specific areas for improvement.

Learners struggled to understand their actual English level

Solution

AI-powered diagnostics across 4 key dimensions

I designed a comprehensive diagnostic system that analyzes speaking data across Complexity, Accuracy, Fluency, and Pronunciation. Each dimension provides a level score (1-9) with detailed breakdowns and personalized recommendations.

AI-powered diagnostics across 4 key dimensions

Outcome

Measurable impact on user engagement and conversion

The AI Analysis feature became one of Ringle's most-used features, with over 350,000 diagnostics delivered. Users who viewed their reports showed 2-3x higher conversion rates, demonstrating the value of data-driven learning insights.

350,000+

Diagnostics delivered

42%

Report view rate

2-3x

Higher conversion for report viewers

Reflection

What I learned

Data visualization is key to user understanding

Complex AI outputs need to be translated into intuitive visual formats that users can quickly understand and act upon.

Balancing detail with clarity

Finding the right level of detail was crucial - too much information overwhelms, too little fails to provide actionable insights.