Weight Tracker by WeightHawk is a privacy-focused application designed to help users monitor their weight, food intake, and body measurements. The app allows tracking of various metrics including weight, body mass index (BMI), fat percentage, and detailed food information such as calories and macronutrients. Users can also log body measurements for various areas like hips, waist, and biceps.

Key features include detailed graphs that illustrate progress over time, trend lines for weight fluctuations (available in premium), and the ability to analyze data over different time frames. The app also includes a barcode scanning feature for food items, a habit tracker, and the option to add notes to weight logs (premium). With a focus on user privacy, all data is stored locally on the device.