Yes, both OI Avatar and English Sensei offer a Free Trial.
Pricing details for both OI Avatar and English Sensei are unavailable at this time. Contact the respective providers for more information.
OI Avatar offers several advantages, including Free to use, No credit card required, Intuitive interface, Suitable for beginners, Fast learning method and many more functionalities.
The cons of OI Avatar may include a Limited English accent options, No mobile version, Limited character length for scripts, Video upload only in PDF. and Three step video creation