Kostos makes it easy for groups to track, manage and divide fees. No user registration is required. A simple interface with powerful features, designed for easy collaboration. Functional features: 1. Project management: Create new projects or join existing projects to manage sharing fees. 2. Member management: Add members to the project. 3. No user account required: Using unique user and project IDs, your sessions are stored in your browser's local storage. 4. Fee tracking: Record fees, detailed descriptions, amounts, dates, categories and payment methods. 5. Flexible split: by specific amount (support basic mathematical expressions!) Or allocate expenses equally based on shares. 6. Payment tracking: Keep track of which member pays for each fee. Support multiple payers. 7. Category management: Create custom categories with names and colors to organize expenses. 8. Payment method management: Use names and icons to define and track custom payment methods. 9. Statistics: Visualize project cost data with beautiful charts. 10. Data Import/Export: The ability to import/export project data (using Spliit format). 11. Progressive Web App \(PWA\): Configure PWA functionality through next-pwa.
