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Mobile app design challenges

Mobile design is mostly a prioritization problem. These exercises ask you to make important actions clear, handle changing states, and respect the limits of a small screen.

Designers building stronger mobile product instincts or preparing app work for a portfolio.

Skills in this set

Mobile DesignInteraction DesignInformation Hierarchy

Practice briefs

Choose a challenge

Challenge results updated

Intermediate
Messaging

Live Voice Translation for a Service Counter

Design a spoken translation flow that helps two people complete a practical conversation while keeping original speech and uncertainty accessible.

Mobile2 to 4 hours
Interaction DesignAccessibility
Intermediate
Productivity

Accessible Paper to Text Capture

Design a document capture app that turns printed text into editable, readable content while preserving uncertainty and page structure.

Mobile2 to 4 hours
AccessibilityMobile Design
Advanced
Healthcare

Immediate Crisis Support Connection

Design a calm mobile experience that connects a person in emotional crisis with trained human support and urgent local help.

Mobile4 hours plus
Service DesignAccessibility
Intermediate
Fintech

Personal Finance Dashboard

Design a calm financial overview that connects spending, upcoming obligations, savings progress, and account health to useful next steps.

Responsive web2 to 4 hours
Dashboard DesignData Visualization
Intermediate
Travel

Local Travel Discovery App

Design a place discovery experience that balances limited time, local context, mobility needs, and changing conditions.

Mobile2 to 4 hours
Mobile DesignSearch and Filtering
Intermediate
Healthcare

Everyday Health Tracker

Design a calm daily tracker that helps someone notice patterns in symptoms, sleep, activity, and context without suggesting a diagnosis.

Mobile2 to 4 hours
Mobile DesignData Visualization
Intermediate
Fintech

Subscription Renewal Control

Design a subscription dashboard that reveals upcoming charges, price changes, and cancellation steps before money leaves an account.

Mobile2 to 4 hours
Data VisualizationInformation Hierarchy
Advanced
Marketplaces

Verified Neighborhood Microjobs

Design a local task marketplace for short paid jobs with clear scope, fair pay, identity checks, and safe completion.

Mobile4 hours plus
Trust and SafetyService Design
Intermediate
E-commerce

Visual Search for an Unknown Product

Design a mobile shopping flow that identifies a photographed item and helps someone compare credible purchase options.

Mobile2 to 4 hours
Mobile DesignSearch and Filtering
Advanced
Security

Home Security Control Center

Design a secure control experience for locks, cameras, alarms, and access events across a connected home.

Mobile4 hours plus
Trust and SafetyInformation Hierarchy
Advanced
Public services

Newcomer Essentials Guide

Design a multilingual orientation app that helps newly arrived refugees find trusted local services, understand common processes, and connect safely.

Mobile4 hours plus
AccessibilityContent Design
Advanced
Social

Private Digital Time Capsule

Design a time capsule for messages and media that opens on a future date for carefully chosen recipients.

Mobile4 hours plus
Trust and SafetyInformation Architecture
Advanced
E-commerce

Grocery Shopper With Substitution Approval

Design a grocery delivery flow where a shopper follows a detailed list and receives timely decisions about unavailable items.

Mobile4 hours plus
Interaction DesignError Handling
Advanced
Marketplaces

Route a Household Help Request

Design a service marketplace intake that identifies the right kind of local professional before asking a customer to compare providers.

Mobile4 hours plus
Service DesignForms
Advanced
Marketplaces

Rewarded Product Beta Feedback

Design a feedback marketplace where people test new products for a disclosed reward that never depends on leaving a positive public rating.

Responsive web4 hours plus
UX ResearchTrust and Safety
Advanced
Public services

Verified Community Safety Alerts

Design a public safety app for receiving verified local notices and reporting non-emergency incidents without enabling surveillance or vigilantism.

Mobile4 hours plus
Trust and SafetyContent Design
Advanced
E-commerce

Scan and Go Grocery Checkout

Design an in-store checkout flow where shoppers scan items as they shop, resolve mistakes, and pay without a staffed register.

Mobile4 hours plus
Interaction DesignError Handling
Advanced
Transportation

Real Time Commuter Carpool

Design a same-day carpool experience that matches compatible routes and divides costs without encouraging unsafe driver interaction.

Mobile4 hours plus
Trust and SafetyService Design
Advanced
Logistics

Restaurant Surplus Donation Handoff

Design an operations flow that helps restaurants offer safe surplus food to verified community organizations before it expires.

Tablet4 hours plus
Service DesignInformation Architecture
Advanced
Marketplaces

Compare Quotes for a Home Repair

Design a contractor marketplace flow that turns a homeowner's repair request into comparable, trustworthy quotes and a clear booking.

Responsive web4 hours plus
Service DesignTrust and Safety
Advanced
Healthcare

Personal Health History and Checkups

Design a private health record timeline that helps a patient prepare for routine checkups and share selected history with a clinician.

Mobile4 hours plus
Trust and SafetyInformation Architecture
Advanced
Social

Consent Based Event Profile Lens

Design an event networking tool that reveals a person's chosen professional profile only after they share a scannable badge code.

Mobile4 hours plus
Trust and SafetyInteraction Design
Advanced
Security

Verified Caller Identity Card

Design an incoming-call experience that shows identity information the caller has explicitly verified and shared, without covert imaging or detection.

Mobile4 hours plus
Trust and SafetyInformation Hierarchy
Advanced
Public services

Accessible Public Service Application

Design a plain-language rental assistance application that supports eligibility checks, documents, save-and-return, and human help.

Responsive web4 hours plus
AccessibilityForms
Advanced
Banking

Lost Bank Card Freeze and Replacement

Design an urgent card flow that distinguishes a temporary freeze from permanent replacement and explains the practical consequences of each choice.

Mobile2 to 4 hours
Trust and SafetyInteraction Design
Advanced
Banking

Card Transaction Dispute with Evidence

Design a dispute flow that helps a customer choose the right reason, submit useful evidence, and follow a card claim after filing.

Mobile2 to 4 hours
FormsService Design
Advanced
Marketplaces

Marketplace Seller Payout Hold Resolution

Design a seller support flow that explains a payout hold, required evidence, available funds, deadlines, and appeal rights.

Responsive web4 hours plus
Service DesignTrust and Safety
Advanced
Travel

Self-Service Flight Disruption Rebooking

Design a recovery journey for a canceled flight that preserves the travel party, connections, seats, baggage, and care entitlements.

Mobile4 hours plus
Service DesignError Handling
Advanced
Logistics

Cold-Chain Shipment Monitoring

Design a monitoring workspace that distinguishes temperature excursions, sensor uncertainty, product exposure, and required response.

Desktop web4 hours plus
Data VisualizationDashboard Design
Advanced
Transportation

Transit Elevator Outage Guidance

Design real-time step-free journey guidance that responds to a station elevator outage with credible alternatives and support.

Mobile2 to 4 hours
AccessibilityNavigation
Advanced
Transportation

EV Charging Session Failure Recovery

Design a charging recovery flow that diagnoses start, power, connector, account, and payment failures without stranding the driver.

Mobile2 to 4 hours
Error HandlingInteraction Design
Advanced
Food and dining

Food Allergy Menu Screening

Design a menu screening experience that separates ingredient evidence, preparation controls, cross-contact uncertainty, and direct restaurant confirmation.

Mobile2 to 4 hours
Trust and SafetyContent Design
Advanced
Logistics

Food Donation Pickup Scheduling

Design a coordinated pickup flow that matches surplus food with recipient capacity, handling rules, courier availability, and changing quantities.

Responsive web2 to 4 hours
Service DesignForms
Intermediate
Messaging

Message Customer Support Without Losing Context

Design an asynchronous support chat that moves between automated intake and a human agent while preserving identity, attachments, and status.

Mobile2 to 4 hours
Interaction DesignContent Design
Beginner
Marketplaces

On Demand Car Wash Booking

Design a mobile booking flow for arranging a car wash at home while setting clear service, access, and weather expectations.

Mobile1 to 2 hours
FormsMobile Design
Beginner
Productivity

Plan Tasks Around Your Energy

Design a daily planning tool that pairs necessary tasks with realistic timing and supportive prompts rather than guilt.

Mobile1 to 2 hours
Content DesignInformation Hierarchy