UX RESEARCH - PROJECT MANAGER

CrossTalk

A unified messaging app that syncs multiple social and chat platforms for international students and professionals.

73

Surveys

15

Interviews

10

Participants

Discovery

BEFORE

20%

AFTER

83%

+63% Improvement: Moved account sync from hidden nav drawer to onboarding carousel and added persistent FAB button.

Translation Cognitive Load

BEFORE

29s

AFTER

14s

+52% Faster: Implemented inline translation with one-tap language switch, reducing cognitive load.

Reminder Task Completion

BEFORE

BEFORE

42%

AFTER

AFTER

92%

+50% completion: Added long-press gesture to set reminders and implemented toast confirmation.

Chat Categorization

BEFORE

33s

AFTER

14s

+58% Faster: Renamed labels to intuitive categories (Work, Friends, Updates) and added emoji icons for visual recognition.

01 - CONTEXT

Context and Role

Context

International students and professionals in Vancouver manage 4-6 different chat apps daily, dealing with language barriers and missing important updates buried in chat threads.

Problem

People living abroad juggle multiple messaging apps (WhatsApp, Telegram, Slack, Instagram DMs, WeChat, Line), each with its own inbox and notification logic. This leads to missed messages, language barriers, and communication chaos.

My Role

Led user research including online surveys (n=73), semi-structured interviews (n=15), task-based usability tests (12 participants), and A/B preference tests (40 participants). Synthesized research findings into actionable insights, created user personas and journey maps, and designed the unified messaging solution based on validated user needs.

02 - RESEARCH

Insights Found

Five key insights emerged from mixing quantitative data with qualitative depth interviews.

01

Fragmented Communication Overload

62% check 4+ apps before 10 AM

Users experience "morning notification scramble" trying to manage multiple inboxes, leading to missed or duplicated messages.

Unified notifications became the default dashboard design.

02

Language Switching Amplifies Cognitive Load

29s average pause for manual translation

Multilingual groups switch rapidly between English, Hindi, Japanese, etc. Manual copy-paste to Google Translate disrupts conversation flow.

Added inline translation with one-tap switch; test time dropped to 14s.

03

Plans Buried in Chat Threads

7 of 12 testers couldn't create events without leaving the app

Users forget important dates and plans buried in chat threads, leading to missed opportunities and relationship friction.

Introduced long-press "Set Reminder" with toast confirmation; completion rose from 42% to 92%.

04

Account-Sync Flow Was Invisible

Only 3 of 15 interviewees found the "Add Platforms" button

The core value proposition was hidden in a nav drawer, causing users to think the app was "just another chat."

Promoted sync to onboarding carousel + persistent FAB; discovery rate hit 83%.

05

Category Filter Labels Confused Users

33s average filter task time — users misread "Social" as "Stories"

Filter labels didn't map to users' mental models, causing confusion and making users give up on organization features.

Renamed filters (Work, Friends, Updates) + added emoji icons; new average = 14s.

02 - DESIGN

Designed Solution

Based on the research insights, CrossTalk was designed as a unified messaging platform addressing fragmented communication, language barriers, and missed updates.

Unified Inbox

Centralized dashboard syncing messages from WhatsApp, Telegram, Slack, Instagram DMs. Default unified notifications eliminate the morning scramble.

Real-Time Translation

Inline translation with one-tap language switching. Reduces translation time from 29s to 14s, keeping multicultural conversations flowing.

Chat Categorization

Filter chats by purpose (Work, Friends, Updates) with clear labels and emoji icons, redesigned from confusing labels to intuitive categories.

Smart Reminders

Long-press any message to set a reminder with toast confirmation. Completion rate increased from 42% to 92%.

Prominent Account Sync

Onboarding carousel and persistent FAB button make platform linking discoverable. Discovery rate went from 20% to 83%.

Offline Messaging

Fallback to SMS when Wi-Fi drops, ensuring critical messages still send even in poor connectivity situations.

Proudly Designed and Developed by Kentaro Muratta. © 2024. All rights reserved.

Proudly Designed and Developed by Kentaro Muratta.


© 2024. All rights reserved.

Proudly Designed and Developed by Kentaro Muratta. © 2024. All rights reserved.

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