Answer:
Drawing apps
Explanation:
Most apps that designed specifically for drawing has the ability to save the work in Vector Format. This format makes you able to re-size the drawing (Either smaller or Larger) Without losing any quality. Other format tend to make the image become blurry when edited into larger size.
Not only that, Drawing apps will provide you with the ability to draw basic shapes in a perfect proportion, which is very useful during the sketching phase.
