Yes, both OI Avatar and TalkOn offer a Free Trial.
The starting price of TalkOn begins at $3.99/month, while pricing details for OI Avatar are unavailable.
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
TalkOn offers several advantages, including Designed for iPhone, Real-time chat, Learning and practicing English, Strong learning aid functions, Covers business and daily English and many more functionalities.
The cons of TalkOn may include a iOS exclusive, No desktop version, Requires iOS 11.0 or later, Limited languages supported. and Limited age rating 4+