Natural Speech is described as 'Our text to speech voices are indistinguishable from human speech. Perfect for content creation, educational videos, podcasts or even audiobooks' and is a Text to Speech service in the audio & music category. There are more than 10 alternatives to Natural Speech, not only websites but also apps for a variety of platforms, including Android, iPhone, SaaS and iPad apps. The best Natural Speech alternative is NaturalReader. It's not free, so if you're looking for a free alternative, you could try NaturalReader or Speechify. Other great sites and apps similar to Natural Speech are Frateca, Naturaltts.com, Listenix and Docwiser.