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Mobile Product Design

Inboxcat - Email Cleaner App

A clean, trust-first mobile email management app designed to help users declutter unwanted subscriptions, newsletters, and mailing lists with seamless OAuth 2.0 authorization and non-blocking actions.

Interactive Prototype
Inboxcat - Email Cleaner App
Sr UI / UX Designer
Role
48-Hour Sprint
Timeline
iOS / Mobile
Platform
Figma System
Deliverable

Product Strategy

Architecture & User Journey.

Mapping the complete cleanup lifecycle, cognitive load mitigation, and heuristic error-prevention patterns before pixel design.

Product Architecture & User Journey
Core Journey & Edge States
User Flows • Heuristics • UX Logic

Core Workflow

Designed for Trust & Zero Friction.

Trust-First Provider Connection
Step 01

Trust-First Provider Connection

Addresses data privacy upfront with clear 'read-only headers' disclosure and official OAuth 2.0 badges, significantly reducing drop-off during email authentication.

OAuth 2.0

Official Protocol

Zero Storage

No Email Bodies Read

Real-Time Scan Engine & Clutter Insights
Step 02

Real-Time Scan Engine & Clutter Insights

Displays dynamic circular progress, live email counters, and transparent scanning status to maintain user trust and engagement during the processing phase.

1,420+

Emails Analyzed

Live Counter

Active Audit Loop

Smart Cleanup & Non-Blocking Undo
Step 03

Smart Cleanup & Non-Blocking Undo

Quickly categorizes senders with smart filter pills. Unsubscribe triggers an immediate removal paired with an accessible 5-second Undo snackbar for error prevention.

5s Window

Undo Reversibility

Smart Pills

Zero Decision Fatigue

Surface Hierarchy

Brand Identity vs. Clean Workspace.

A deep navy slate splash for brand recognition, transitioning into a clutter-free daylight workspace for comfortable scanning.

Day Workspace (Light)
Day Workspace (Light)

High-contrast daylight layout for rapid sender reviews.

Splash Identity (Dark)
Splash Identity (Dark)

Deep slate launch atmosphere establishing platform security.

State Architecture

Micro-interactions & States.

Optimistic Action & Undo Snackbar

Optimistic Action & Undo Snackbar

Tapping 'Unsubscribe' immediately removes the item from the active feed with a floating 5-second reversible snackbar, eliminating disruptive modal popups.

Persistent 'Kept' State Feedback

Persistent 'Kept' State Feedback

Marking a sender as 'Keep' provides clear green visual confirmation while keeping it organized, giving users complete confidence in their subscription choices.

Zero-Clutter Win State

Zero-Clutter Win State

Once all senders are handled, users are greeted with a rewarding completion screen summarizing total space saved and verified cleanup metrics.

Scalability

Design System & Components.

Engineered with atomic principles: strict 4px/8px layout grid, accessible WCAG contrast tokens, and reusable interactive components.

Design System & Component Architecture
Atomic Component Library
Typography • Tokens • Master UI

Contextualization

Real-world Application.

Validating visual ergonomics, legibility under varied lighting, and touch target accessibility across real-world screen contexts.

Inboxcat - Email Cleaner App Preview 1
Onboarding Flow
Inboxcat - Email Cleaner App Preview 2
100% Clean Audit View

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Inboxcat - Email Cleaner App - Mobile Product Design Case Study