Area Calculator for all Shapes by Dear Apps Corner is a free and offline app available on Android. It offers a variety of calculators for different shapes, including square, rectangle, circle, trapezoid, triangle, annulus, ellipse, rhombus, and sector.

One of the best features of this app is that it is completely free to use with no in-app purchases or pro offers. It also works offline, so you can use it anytime and anywhere without needing an internet connection. The app has a beautiful eye-catching design and is optimized to use little phone space with low memory.

Additionally, the app has a share button, which allows you to easily share your calculation results with friends and family. The app is also optimized to use battery wisely, ensuring that your phone's battery is not drained quickly.

Overall, Area Calculator for all Shapes by Dear Apps Corner is a great app for anyone who needs to calculate the area of different shapes. It is easy to use, free, and works offline.