Блокнот Рыбака is a free Android application developed by Maksim Kolosov that serves as a comprehensive fishing companion. The app provides users with a convenient and organized way to keep track of their fishing experiences and record details about each trip, including the water bodies they fished in, the fish they caught, and the weather conditions. With a wide range of features, including a map and GPS system, a fish diary, and a lunar calendar, the app offers everything a fishing enthusiast needs to plan and document their trips. The app also allows users to share their fishing spots and coordinates with friends, and backup their data to Google Drive. Whether you're an experienced angler or a beginner, Блокнот Рыбака is a must-have app for anyone who loves fishing.