Neither Emma nor Vocalo offers a free trial.
The starting price of Vocalo begins at $12/month, while pricing details for Emma are unavailable.
Emma offers several advantages, including Human-like dialogues, Natural voices, Immersive conversational practice, 8 languages supported, 9 voices per language and many more functionalities.
The cons of Emma may include a Limited to 8 languages, Needs internet connectivity, Only on web platform, Potential speech recognition errors. and Lacks adaptive learning feature
Vocalo offers several advantages, including Personalized education experiences, Real-time linguistic assistance, English speaking skills focus, Practical language exposure, Reading skill enhancement and many more functionalities.
The cons of Vocalo may include a Only English language support, No offline functionality, Lacks multi-user collaboration, No language transition support. and No support for dialects