Neither Tammy nor SummarizeYT offers a free trial.
Pricing details for both Tammy and SummarizeYT are unavailable at this time. Contact the respective providers for more information.
The cons of Tammy may include a Beta status, Requires login/registration, Unpredictable summary accuracy, Lack of API. and No automatic summary updates
SummarizeYT offers several advantages, including Chrome extension, Saves viewing time, Highlights key video points, Requires only JavaScript enablement, Free to use and many more functionalities.
The cons of SummarizeYT may include a Limited to Chrome, Requires JavaScript enabled, Doesn't specify technology used, Limited to YouTube content. and No customization in summarization