Yes, both Retinello and Shiken offer a Free Trial.
Pricing for Retinello Starts at $6.57/month whereas for Shiken Starts at $57.51/month.
Retinello offers several advantages, including Interactive learning sessions, Identify unique knowledge gaps, Custom questions for comprehension, Spaced repetition learning, Adapts to user's progress and many more functionalities.
The cons of Retinello may include a No mobile application mentioned, No offline mode indicated, No multi-language support stated, Lack of collaborative learning features. and No user community support
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
