Ello
Improving English fluency using AI-powered conversations
Deliverables
Achieved 90% positive rating for app demand and effectiveness
Defined app value and target user through 3 user research with 22 participants
Year
2022
Software
Figma
Adobe Illustrator
Team
Frontend developer
Backed developer
Expertise
User research
User testing
Competitive Audit
Prototyping
Visual brand identity
Market opportunity

The gap in achieving English fluency
Ello was made with the aim to enter the Chinese market and provide an effective, accessible, and cheap way to become fluent in English.
User discovery




User research
User research helped identify the demography and pain points of learners.




Academic research
Academic research helped to define the best practices in teaching English fluency.
From broad users to a clear target audience
Through user research, the target users of the app had these traits:
Enrolled in NTU for a Master’s / PhD degree
Served a MOE bond
Highly motivated to improve their English fluency

Product direction
Based on the insights* discovered, the value proposition of Ello would be to provide an affordable and accessible way to English fluency.
*Insights discovered from user and academic research







Validating direction through competitive testing
A competitive usability testing was done to understand users’ preference in learning method, features, and design.
App flows & features

Start a conversation in 3 steps

Flexible voice-recording function
Pressing the record button reveals more functions that makes replying easier.
Academic research
The Results UI shows Ello in a motivating pose to encourage users to practice more.



Learn while talking
Users can jump into practice mode at anytime of the conversation.

Quick view of conversation scores
Accessible dictionary feature
Tapping on any word will show its meaning and other dictionary information.


Translation feature for beginners
A translate feature helps learners learn new sentence structures.


Proficiency scores for serious learners
Learners can show the proficiency scores of their messages to make sure they are speaking perfectly.






Swipe for quick actions
Swiping left/right will display commonly used features.
Design system
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Hey there!
Thanks for checking out my portfolio. Please visit on desktop as the tablet and mobile version is being updated.
Hey there!
Thanks for checking out my portfolio. Please visit on desktop as the tablet and mobile version is being updated.
Hey there!
Thanks for checking out my portfolio. Please visit on desktop as the tablet and mobile version is being updated.