The new camera approach obviously is a lot more accurate, powerful and simple now once you have it. But totally agree looking at their previous solution it fee

The new camera approach obviously is a lot more accurate, powerful and simple now once you have it. But totally agree looking at their previous solution it feels extremely primitive. There surely must have been a simple middle ground without the app, using a mechanical funnel, a wheel or one-dimensional photosensor to count these. Even if they are different sizes and not always exactly round, the shape and size is still rather uniform.