This app will explain to you how to solve the 3x3 Rubik's cube step by step. There are mainly 7 steps to follow. They are,

✔ Solving the white cross.
✔ Solving the white corners.
✔ Solving the middle layer.
✔ Solving the top layer to get the yellow cross.
✔ Solving the top layer to get all of the yellow.
✔ positioning the yellow corners, and finally.
✔ positioning the yellow edges.

After learning all of the steps, you'll be able to solve the cube in under a minute by speeding up your cubing movements.