Take Control of Your Daily Allowance & Expenses

1. Executive Summary

PesoTrack is a 100% offline student expense and budget management mobile application designed specifically for college and senior high school students in the Philippines. Built to operate without requiring an internet connection, cloud account synchronization, or user authentication, PesoTrack empowers students to take complete control of their allowances and daily expenditures directly on their mobile devices.

2. Product Objectives

• Provide a frictionless, offline-first mechanism to record daily cash inflows and outflows.
• Empower students to monitor balance health, visualize savings rates, and maintain control over school allowances.
• Ensure absolute user data privacy by storing all transactions locally on the device using TinyDB.

3. Target Audience

High school and college students (e.g., BSIT/CBAO students managing weekly allowances or part-time earnings) seeking simple, clean, and zero-configuration budgeting tools.

4. Key Functional Features

• Splash & Authentication-Free Entry: Immediate launch displaying app identity and developer metadata.
• Dynamic Dashboard: Real-time summary cards highlighting total income, total expenses, current balance, and savings percentage.
• Timeframe Filters: Instant toggle views for Weekly, Monthly, and Annual financial snapshots.
• Recent Transactions Log: Ledger detailing category tags, notes, amounts, and timestamps.

1. System Architecture & Environment

• Platform: Android (Minimum SDK: Android 5.0 / API 21; Target SDK: Android 13+ / API 33).
• Development Framework: MIT App Inventor Visual Blocks Environment.
• Data Storage Engine: TinyDB (Key-value persistent local JSON storage backend ensuring zero external network dependency or cloud exposure).

2. Core Components & UI Specifications

• Screen Resolution: 9:16 portrait viewport (1,080x1,920 px optimized phone layouts).
• App Icons: Vector-styled 512x512 px high-resolution icons.
• Color Scheme: Institutional green (`#008000`) with high-contrast accessibility tags.

3. Permissions & Security Declarations

• Zero internet permissions required (fully offline operational mode).
• No advertising ID declaration required (no third-party ad or tracking SDKs integrated).
• Signed release package formatted as Android App Bundle (.aab) for Google Play Console Closed Testing track.