Speechify is described as 'Converts digital and printed text to speech with natural voices, adjustable speed, cross-device syncing, offline playback, and multiple voice options' and is a Text to Speech service in the news & books category. There are more than 50 alternatives to Speechify for a variety of platforms, including Web-based, iPhone, SaaS, Mac and Windows apps. The best Speechify alternative is ElevenReader, which is free. Other great apps like Speechify are NaturalReader, Read Aloud Extension, Kokoro and Wondercraft AI.
there is no free option, their program starts from $24, and I can't even find info on a trial period