Bitcoin Checker is a free Android app that allows you to track the most recent prices of your favorite currency pairs from over 100 supported exchanges. The app provides many customizable ways to track the cryptocurrency market, including rich notifications, Text-To-Speech voice announcements, Home and Lockscreen widgets, and multiple alarms.

One of the most impressive features of Bitcoin Checker is its open-source data module, which contains exchanges and currency pairs and is available on GitHub. This allows for transparency and community development, making it a reliable tool for tracking the cryptocurrency market. Overall, Bitcoin Checker is a must-have for anyone interested in staying up-to-date with the latest cryptocurrency prices and trends.