Yes, both Shiken and First Principles offer a Free Trial.
The starting price of Shiken begins at $57.51/month, while pricing details for First Principles are unavailable.
Shiken offers several advantages, including Gamified learning experiences, Progress saved to cloud, Customizable learning sessions, Study buddies feature, Mindfulness techniques integration and many more functionalities.
The cons of Shiken may include a Inbuilt mindfulness less refined, Store lacks diversity, Note-taking tool basic, Spaced repetition system unoriginal. and Daily quotes too generic
