Comparing Three Free to Use Visual Programming Environments for Novice Programmers
Abstract
This study aims to examine and compare
three popular free-to-use visual programming environments. While choosing three
environments among other visual programming environments, three criteria were
taken into account which are being completely free, popular, and productive.
After reviewing several environments, MIT’s App Inventor, Scratch and
Microsoft’s Kodu Game Lab were chosen. While App Inventor and Scratch are free
and open source environments, Microsoft’s Kodu is only free to use. Selected
three environments were investigated through using and examining the
environments and literature review. Outcomes of this study can help teachers,
instructors and students to choose a relevant visual programming environment
based on their needs. Review of the environments showed that while Kodu is more
relevant for elementary students, Scratch’s target group are similar but also
includes higher age range. Another difference between them was that Kodu’s sole
purpose is to develop games in 3D, Scratch is used for 2D games and animations.
App Inventor, on the other hand, targets middle school and higher age range to
develop mobile applications for Android OS. Scratch and App Inventor uses the
same block-based library which is more relevant to teach basic programming
concepts such as variables, conditional expressions, and loops than Microsoft’s
Kodu. Selected three environments have the advantages of their own and features
specifically for their target audience and products. This study investigated
the important differences and features of the selected environments.
Keywords
app inventor,free programming environments,kodu,scratch,visual programming
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