Neither ButterReader nor Amazon Polly offers a free trial.
Pricing details for both ButterReader and Amazon Polly are unavailable at this time. Contact the respective providers for more information.
ButterReader offers several advantages, including Transforms text to audio, Customizable audio widget, Diverse voice options, Adjustable playback controls, Promotes multitasking and many more functionalities.
The cons of ButterReader may include a Limited to blog content, No language translation, No offline listening, No natural human voice. and Leaderboard bias
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
