Here is his answer: Widget creation is relatively slow, especially depending on what the widget contains . If making big lists, like in your examples, you’re usually better off using RecycleView. This optimises things to reuse a smaller number of widgets during the scrolling.
Read moreAre Kivy apps fast?
It’s a cross-platform Python library that can be very useful in the rapid development of applications (not only games) that make use of innovative user interfaces, such as e.g. multi-touch apps. Kivy’s execution speed is comparable to the native mobile alternative, Java for Android or Objective C for iOS .
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