Санкт-Петербург Путеводитель is an Android application developed by Поздравуха. The app provides a comprehensive guide to the city's best attractions, including museums, monuments, parks, bridges, cathedrals, churches, and more. With over 500 landmarks listed, the app is an excellent tool for tourists and locals alike.

The app offers detailed information about each attraction, including historical and cultural context, opening hours, admission fees, and practical tips. It also features guided tours to some of the city's most famous landmarks, such as the Hermitage Museum, the Isaac Cathedral, and the Peter and Paul Fortress. The app's map allows users to easily navigate the city and find the attractions they are interested in. Additionally, users can search for specific attractions by name.

The app also features an audio guide that provides additional information about the attractions. The audio guide is available for purchase within the app. Санкт-Петербург Путеводитель is a free app, but users can support the project by purchasing the ad-free version, which also includes access to the audio guide.