What app creates the flicker effect on photos?You often see photos on sites like Instagram, Facebook, or Snapchat where the photo "flashes" or "flickers" when scrolling. This picture flashing or "flicker effect" has special types of black lines across the photo as shown in the screenshot below. This photo effect also changes based on the photo size or how much sites like Instagram or Facebook shrink the photo for displaying as this compresses changes the effect that is on the photo. The flicker effect can vary greatly because of this.
The app "Blur3D" is shown in the screenshot below. This is just one of the many effects included in this app as there are many trippy like 3D blur effects along with the flicker effect that it can add to any photo. It also has the popular paint effect as shown where half the photo looks painted.