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Zero

Track expenses effortlessly with zer0 - an open-source, lightweight app. No servers, no cloud - your data stays on your device using MongoDB Realm. Choose themes, manage categories, and sync seamlessly. Features: account creation, expense tracking, category modification, insightful analytics, deb...

Zero

Track expenses effortlessly with zer0 - an open-source, lightweight app. No servers, no cloud - your data stays on your device using MongoDB Realm. Choose themes, manage categories, and sync seamlessly. Features: account creation, expense tracking, category modification, insightful analytics, deb...

Author Avatar Theme by indranilbhuin
Github Stars Github Stars: 88
Last Commit Last Commit: Jan 12, 2026 -
First Commit Created: Jun 1, 2024 -
Zero screenshot

Overview

Zero is an innovative and user-friendly expense tracking app designed for both Android and iOS platforms. With a pervasive emphasis on privacy, it ensures that all financial data is stored directly on your device, eliminating concerns regarding data collection or server storage. By utilizing a lightweight framework and an open-source model, Zero caters to users seeking a personal finance solution that prioritizes control and security.

The recent update to version 2.0 has further enhanced its functionality and user experience. Notably, the migration to WatermelonDB has improved performance, while the redesigned interface offers a polished look and feel. Whether you are managing daily expenses or understanding your monthly spending habits, Zero makes it easy and efficient to track your finances without compromising your privacy.

Features

  • Expense Tracking: Effortlessly add, edit, and delete transactions with customizable categories to keep your finances organized.
  • Category Management: Create personalized categories complete with custom icons and colors, making it easy to visualize spending.
  • Insights & Reports: Gain clarity with monthly spending breakdowns represented in pie charts and a heatmap calendar illustrating daily expenses.
  • Debt Tracking: Track the money you owe or are owed, as well as manage individual debts and debtors effectively.
  • Customization: Choose between light and dark themes, multiple currency symbols, and set a personalized username for a tailored experience.
  • Data Control: Export your data as JSON, import it on new devices, or easily delete all data when needed.
  • Privacy First: Operate fully offline with 100% of your data stored locally, ensuring no data collection and complete peace of mind.
  • Fast Performance: Experience quicker load times and optimized queries thanks to the recent transition to WatermelonDB, offering better app responsiveness.