No, playing acoustic guitar is not more painful than playing any other type of guitar. However, because acoustic guitars are typically larger and heavier than electric guitars, they may be more physically demanding to play for extended periods of time. The strings on an acoustic guitar may also be thicker and tighter than those on an electric guitar, which could cause more finger pain when first starting to play. But overall, the pain is temporary and does not make acoustic guitar more painful than other types of guitars.