FreeTTS offers Free Trial, but AiSofiya does not.
The starting price of FreeTTS begins at $19/month, while pricing details for AiSofiya are unavailable.
AiSofiya offers several advantages, including Supports over 840 languages, Realistic voice-overs, Natural text generator, Supports SSML, Web and mobile access and many more functionalities.
The cons of AiSofiya may include a No Offline Access, Requires Registration, No API available, Limited SSML customization. and No Free Version
FreeTTS offers several advantages, including Supports almost all languages, Produces high-quality audio, Free of charge, Allows commercial use, Fast text-to-speech conversion and many more functionalities.
The cons of FreeTTS may include a Limited weekly characters, Removes audio after 24 hours, No offline functionality, Doesn't support voice customization. and No real-time text-to-speech feedback