Keys Countries is a free Android app developed by D7im.Dev that helps users search for dialing codes of countries and states. The app's interface is simple and user-friendly, making it easy for users to navigate and find the information they need.

Users can search for the dialing code of a country by entering the name of the country in English, Arabic, or the country abbreviation name. Additionally, users can search for the dialing code of a state by entering the state's name.

Keys Countries provides accurate and up-to-date information, making it a reliable tool for users who need to make international calls. The app does not require an internet connection, which is a plus for users who are traveling or have limited access to the internet.

Overall, Keys Countries is a helpful tool for anyone who needs to find dialing codes quickly and easily. With its simple interface and accurate information, this app is a must-have for frequent international callers.