Narration Box offers Free Trial, but Amazon Polly does not.
The starting price of Narration Box begins at $12/month, while pricing details for Amazon Polly are unavailable.
Narration Box offers several advantages, including Over 20 languages, Audiobooks from ebooks, Host audio pages, Audio widgets, Podcasting capabilities and many more functionalities.
The cons of Narration Box may include a Podcasting feature not available, Widgets still in development, API pending implementation, Analytics feature coming soon. and subscription model unclear
Amazon Polly offers several advantages, including Natural sounding voices, Custom lexicons, Integration with AWS services, Variety of customization options, Supports multiple languages and many more functionalities.
The cons of Amazon Polly may include a Limited languages for speech, Requires AWS account, Complex integration with other services, Limited customization options. and Expensive for high usage
