Narration Box offers Free Trial, but SpeechGen does not.
Pricing for SpeechGen Starts at $4.99/month whereas for Narration Box Starts at $12/month.
SpeechGen offers several advantages, including Over 270 natural voices, Supports multiple languages, Multi-voice dialogue editing, Downloadable audio files, Supports long texts and many more functionalities.
The cons of SpeechGen may include a Limited voice customization options, Too many voice options, Complex interface, Longer processing time. and No transcription service
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