1. Overview

1.1 Purpose

This Product Requirements Document (PRD) outlines the requirements for redesigning our mobile application. The redesign aims to improve user experience, modernize the interface, and add new features based on user feedback and market research.

1.2 Product Vision

Create an intuitive, visually appealing mobile application that delights users and increases engagement by 30% within six months of launch.

1.3 Target Audience

• Primary: Existing users (25-45 years old, tech-savvy professionals)
• Secondary: New users in the 18-30 age range
• Tertiary: Business users looking for productivity enhancements

2. User Stories

2.1 Core User Stories

As a user, I want to:

• Easily navigate the app with one hand so that I can use it while on the go
• Customize my dashboard so that I can access my most-used features quickly
• Sync my data across devices so that I can switch between my phone and tablet seamlessly
• Receive personalized recommendations based on my usage patterns
• Share content with friends and colleagues directly from the app

As a new user, I want to:

• Complete onboarding in less than 2 minutes so that I can start using the app quickly
• Understand the core value proposition immediately
• Access a tutorial that shows me how to use key features

As a business user, I want to:

• Export data in multiple formats (CSV, PDF, Excel)
• Set up team collaboration features
• Access advanced analytics about my usage

3. Requirements

3.1 Functional Requirements

Authentication & User Management

• FR1: Users must be able to sign up using email, Google, or Apple accounts
• FR2: Users must be able to reset their password via email
• FR3: Users must be able to edit their profile information
• FR4: Users must be able to delete their account and data

Navigation & UI

• FR5: The app must have a bottom navigation bar with 5 or fewer primary destinations
• FR6: The app must support both light and dark mode
• FR7: The app must be usable with one hand on standard mobile devices
• FR8: The app must support dynamic text sizing for accessibility

Core Features

• FR9: Users must be able to customize their dashboard with widgets
• FR10: Users must be able to create, edit, and delete content
• FR11: Users must be able to search across all content with filters
• FR12: Users must receive notifications for important events

3.2 Non-Functional Requirements

Performance

• NFR1: The app must load the main screen in under 2 seconds on 4G connections
• NFR2: The app must respond to user interactions within 100ms
• NFR3: The app must function offline for core reading features

Security

• NFR4: All user data must be encrypted in transit and at rest
• NFR5: The app must comply with GDPR and CCPA regulations
• NFR6: Authentication tokens must expire after 30 days of inactivity

Compatibility

• NFR7: The app must support iOS 14+ and Android 10+
• NFR8: The app must be responsive on all phone and tablet screen sizes

4. Design Guidelines

4.1 Visual Design

Color Palette

• Primary: #3B82F6 (Blue)
• Secondary: #10B981 (Green)
• Accent: #8B5CF6 (Purple)
• Neutrals: #1F2937 (Dark Gray), #F3F4F6 (Light Gray)
• Error: #EF4444 (Red)
• Success: #10B981 (Green)

Typography

• Primary Font: SF Pro (iOS) / Roboto (Android)
• Headings: Semi-bold, size range 18-28pt
• Body: Regular, size range 14-16pt
• Caption: Regular, size 12pt

Iconography

• Use outlined icons with 2px stroke width
• Icons should be 24x24px for standard UI elements
• Interactive icons should have clear touch targets (minimum 44x44px)

4.2 Interaction Design

Gestures

• Swipe left/right for secondary actions
• Pull to refresh for content updates
• Double tap for quick like/favorite
• Long press for contextual menus

Animations

• Use subtle animations for state changes (300ms duration)
• Implement smooth transitions between screens
• Provide visual feedback for all user interactions

5. Technical Specifications

5.1 Technology Stack

Frontend

• Framework: React Native
• State Management: Redux Toolkit
• Navigation: React Navigation
• Styling: Styled Components

Backend

• API: GraphQL with Apollo
• Authentication: OAuth 2.0 with JWT
• Database: PostgreSQL
• Hosting: AWS

Third-Party Integrations

• Analytics: Mixpanel
• Crash Reporting: Sentry
• Push Notifications: Firebase Cloud Messaging
• Payment Processing: Stripe

5.2 API Requirements

• RESTful API with JSON responses
• GraphQL endpoint for complex data fetching
• Websockets for real-time features
• Rate limiting to prevent abuse