Megapixel Calculator is a free Android app developed by RADEFFFACTORY that provides a wealth of information about different resolutions. The app allows you to enter the number of megapixels to see all possible variations of screen, photo, and camera resolutions. Additionally, you can also enter the resolution of your photo, screen, or camera, and the app will tell you the aspect ratio and number of megapixels.

One of the most useful features of Megapixel Calculator is its DPI calculator. Simply enter the screen resolution and size in inches, and the DPI of the screen will be shown. This feature can be helpful for those looking to buy a new phone or monitor and want to compare the DPI values of different devices.

Overall, Megapixel Calculator is a simple yet powerful tool for understanding resolutions and DPI values. It is a must-have app for photographers, graphic designers, and anyone who wants to learn more about resolutions and DPI.