System Requirements Document (SRD) for FinFlow

1. Introduction

The FinFlow project is a feature-rich, agentic expense tracker designed for individuals to manage their personal finances effectively. Developed with a focus on the Indian market, this application aims to simplify financial management by combining advanced automation, AI-driven insights, and user-friendly interfaces. The project is tailored to meet the needs of users like Nihar Sai Adithya, who seek a comprehensive tool to track expenses, set budgets, and gain actionable financial insights.

2. System Overview

The FinFlow system is a personal finance management platform that empowers users to track their expenses, monitor their net worth, and receive AI-driven financial advice. The system is designed to be intuitive, engaging, and highly functional, offering features such as gamification, personalized coaching, and offline tracking. By leveraging cutting-edge technologies like AI and automation, the platform ensures a seamless and efficient user experience.

Key highlights of the system include:

• Expense categorization and tracking
• Monthly budget management
• Visual spending analytics
• AI chatbot for personalized financial guidance
• Subscription management
• Future expense forecasting
• Offline mode with auto-sync
• Gamification and community insights

The system is optimized for the Indian market, supporting INR as the default currency and accommodating multi-currency transactions for global users.

3. Functional Requirements

• As a User, I should be able to categorize my expenses into predefined or custom categories like food, transport, and rent.
• As a User, I should be able to set monthly budgets and track my progress.
• As a User, I should be able to view visual spending analytics through charts and graphs.
• As a User, I should receive reminders for due payments or tracking expenses.
• As a User, I should be able to automate tracking for recurring expenses like subscriptions or rent.
• As a User, I should be able to handle expenses in multiple currencies.
• As a User, I should be able to calculate and monitor my net worth over time.
• As a User, I should be able to interact with an AI chatbot for personalized financial guidance.
• As a User, I should be rewarded for achieving saving goals or staying within budgets (gamification).
• As a User, I should be able to benchmark my spending anonymously against peers with similar demographics (community insights).
• As a User, I should benefit from AI-powered automatic categorization of transactions.
• As a User, I should be able to track all active subscriptions and receive notifications about renewals or unused services.
• As a User, I should be able to predict upcoming expenses based on historical patterns.
• As a User, I should be able to track expenses offline, with data syncing automatically when online.
• As a User, I should be able to manually trigger selective re-run capability for SRD regeneration.

4. User Personas

1. Primary User (Individual)

• Description: Individuals managing personal finances.
• Goals: Simplify expense tracking, set budgets, and gain financial insights.
• Pain Points: Manual tracking, lack of financial awareness, and difficulty in managing recurring expenses.
• Key Features: Expense categorization, budgets, analytics, AI chatbot, and net worth tracking.

2. AI-Assisted User

• Description: Users who rely on AI for financial advice and insights.
• Goals: Receive personalized suggestions and automate financial decisions.
• Pain Points: Lack of actionable insights and difficulty in identifying saving opportunities.
• Key Features: AI chatbot, personalized coaching, and future expense forecasting.

5. Visuals Colors and Theme

Unique Color Palette

The FinFlow project adopts a vibrant yet professional color scheme to evoke trust, clarity, and engagement:

• Background: #F4F8FC (Soft Ice Blue)
• Surface: #FFFFFF (Pure White)
• Text: #2C3E50 (Midnight Navy)
• Accent: #FF7F50 (Coral Orange)
• Muted Tones: #BDC3C7 (Light Silver)

This palette ensures a clean and modern interface, with accent colors drawing attention to key actions and insights.

6. Signature Design Concept

The FinFlow homepage will feature an interactive financial galaxy. Users will navigate through a dynamic 3D space where each "star" represents a financial feature or insight. For example:

• Expense Categories: Stars grouped into constellations, each representing a category like food or transport.
• Net Worth: A glowing central star that grows brighter as the user’s net worth increases.
• Budgets and Analytics: Orbiting planets that display real-time progress and visual analytics.

Key Interactions:

• Hovering over a star reveals a tooltip with quick stats (e.g., “Dining: ₹5,000 spent this month”).
• Clicking on a star zooms into a detailed view with charts, graphs, and actionable insights.
• Subtle animations, like twinkling stars and orbiting planets, create a sense of wonder and engagement.

This design ensures the app is not only functional but also visually captivating and memorable.

7. Non-Functional Requirements

• Performance: The system should load within 2 seconds for 90% of users.
• Scalability: Support up to 1 million users with seamless performance.
• Security: Implement robust encryption for user data and financial transactions.
• Localization: Default to INR currency and Indian timezone (IST), with multi-currency support.
• Accessibility: Ensure WCAG 2.1 compliance for users with disabilities.

8. Tech Stack

Frontend

• React for Web
• React Native for Mobile App

Backend

• Python
• FastAPI

Database

• MySQL (preferred) or MariaDB with Alembic for migrations

AI Models

• GPT 5.4 for user-friendly responses
• Claude 4.6 Opas for academic or coding work
• Gemini 3.1 Pro for friendly responses

AI Tools

• Litellm for LLM Routing
• Langchain

Orchestration

• Docker for local orchestration
• Kubernetes for server-side orchestration

9. Assumptions and Constraints

• Users will primarily access the system via mobile devices.
• The system will support English as the default language.
• Internet connectivity is required for real-time AI chatbot interactions.
• Offline mode will sync data automatically when connectivity is restored.

10. Glossary

• Expense Categorization: Grouping expenses into predefined or custom categories.
• Net Worth: The total value of assets minus liabilities.
• Recurring Expenses: Regular payments like subscriptions or rent.
• Gamification: Using game-like elements to motivate user behavior.
• Community Insights: Anonymous benchmarking of spending against peers.
• Future Expense Forecasting: Predicting upcoming expenses based on historical data.
• AI Chatbot: An artificial intelligence assistant providing personalized financial guidance.
• Selective Re-run Capability: A feature allowing users to manually trigger SRD regeneration for specific sections or the entire document.