For instance, many of the accessibility features are common across all Kindle products, although the Kindle devices lack some of the more advanced features like text-to-speech. Otherwise, there really isn’t a huge amount of difference between the Kindle desktop app, Kindle mobile apps, or Kindle devices themselves. mobi eBook files using the Kindle app natively with no additional fuss. This leads to another direct advantage that the Kindle desktop app over other Kindle products.