Lumina Expense Tracker is a 100% offline-first, privacy-focused personal finance manager designed to give you complete control over your money with zero monthly subscriptions, zero intrusive advertisements, and zero cloud tracking.

WHY CHOOSE LUMINA EXPENSE?
• 100% Offline & Private: Your financial data never leaves your device. No account sign-up, zero trackers, and zero telemetry.
• Multi-Wallet & Account Management: Seamlessly balance cash, bank accounts, credit cards, and savings with zero-loss transfer tracking.
• 3-Tap Rapid Transaction Entry: Custom tactile numeric keypad with in-line calculation and multi-category receipt splits.
• In-Place Transaction Editing: Quickly modify past entries, categories, and split allocations without deleting.
• Monthly Budgets & Spending Caps: Set category spending limits with live progress meters and proactive warning alerts.
• Financial Intelligence & Velocity Pacing: 50/30/20 macro budget breakdown (Needs, Wants, Savings) and daily burn rate pacing curves.
• Debt & Loan (IOU) Manager: Track money lent to friends or borrowed from colleagues with partial settlement logs.
• Savings Goals & Sinking Funds: Milestone progress meters for emergency reserves, vacations, and large purchases.
• Subscriptions & Recurring Bills: Overdue auto-log catch-up engine on app launch.
• Universal Recycle Bin: Accidental deletion protection with a 30-day soft-delete safety net and 1-tap restore.
• Hardware Biometric Security: Secure your data with Fingerprint / Face ID and an app switcher multitasking privacy shield.
• Encrypted Backups & CSV Portability: Export PBKDF2 SHA-256 + AES-256 encrypted backups or spreadsheet-compatible CSV files.
• Pure AMOLED Theme: Pitch-black interface engineered for battery efficiency on OLED displays.

Open Source (MIT License) developed by Prabin Chandra Shrestha (@PrabinCode).