Neither BuffUp nor Kizunna offers a free trial.
Pricing details for both BuffUp and Kizunna are unavailable at this time. Contact the respective providers for more information.
Kizunna offers several advantages, including Summarizes knowledge rapidly, Extracts insights from content, Ideal for multi-source learning, Can compile from YouTube, Can compile from Podcasts and many more functionalities.
The cons of Kizunna may include a No offline mode, Not open source, Limited file format support, Language understanding may vary. and Lack of user customizability