Think: Mental Health Journal is an iPhone app developed by Garrett Gottlieb. This free lifestyle app aims to help users understand themselves better and improve their lives through the analysis of their thoughts. By using artificial intelligence, Think analyzes what you write and how you write it, providing instant analysis and insights.

One of the key features of Think is its distraction-free typing interface, allowing users to focus solely on their thoughts. The app also includes a word and pause time counter, allowing users to track their progress. Additionally, Think offers machine-learning analysis of your text, providing overall stats and detailed text analysis.

Other notable features of Think include a journal calendar, smart reminders to keep users on track, streak counter, and daily, weekly, and monthly graphs. The app is completely ad-free, ensuring an uninterrupted journaling experience.