Akvaryum Rehberi is a free Android app that provides information and calculation tools about aquariums and their inhabitants. The app does not require an internet connection. In the aquarium section, you can find a wide range of encyclopedic information about fish, shrimp, plants, and reptiles. The articles section offers dozens of articles on coping with diseases, feeding techniques, decorating ideas, and breeding methods. The calculation tools section includes various calculators, such as construction, nitrate, sand, and CO2 calculators.

You can search for aquarium inhabitants based on your criteria on the search page or perform a detailed search on the Direct Search page. The Live Compatibility page allows you to check the compatibility of aquarium inhabitants with each other. In the Biotope section, you can learn about the natural habitats of aquarium inhabitants and view pictures and videos. The app also features an EPDK-supported electricity cost calculator. Akvaryum Rehberi is a comprehensive and user-friendly app for aquarium enthusiasts.