CostTrack 2W is a free Android application designed to assist users in managing the charging costs of electric bikes and e-scooters. It allows users to log their charging sessions, track expenses, and gain insights into their energy usage through detailed statistics and charts. Key features include charge logs for recording kilowatt-hours charged, associated costs, and battery levels, providing a comprehensive overview of each charging session.

The app also offers insights into cost per kilowatt-hour, energy gained, and estimated range based on vehicle settings like battery capacity and consumption. Users can filter their charging history over 7, 14, or 30 days and access monthly summaries with various statistics. The minimal dark theme interface enhances usability, making it easy for users to navigate and manage their electric vehicle charging costs effectively.