Yes, both Narration Box and Xpeacho offer a Free Trial.
Pricing for Narration Box Starts at $12/month whereas for Xpeacho Starts at $9/month.
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