Calendar Buddy is a free AI planner app available for iPhone users. The app allows users to create and manage their daily schedule based on their logged activities. The main "day" page provides a comfortable browsing experience to see the planned activities for the day. Activities can be sorted into categories such as work, education, sport, food, and more, allowing users to manage and color-code their day.

The app also offers features like setting reminders, assigning locations, and creating repeats for each activity. Based on the user's goals, Calendar Buddy provides recommendations to improve their schedule. Additionally, the app includes a tasks section for creating a to-do list with reminders, importance, and repeats.

Calendar Buddy encourages users to achieve their goals by tracking their progress. Users can log any goal, big or small, and celebrate their success within the app. The journal feature allows users to make daily notes and reflections, providing an overview of past entries.

The app's statistics feature helps users understand their habits and days better. It shows how much time is spent on different categories and how they distribute over the week. Calendar Buddy also provides daily motivation quotes and tips to keep users motivated.

Calendar Buddy Premium offers additional features such as viewing weekly records of tasks and activities, creating unlimited goals, personalized courses for adopting healthy habits, and keeping track of plan day streaks. The app offers two auto-renewing subscription plans: $3.99 billed monthly and $29.49 billed yearly.

Overall, Calendar Buddy is a comprehensive AI planner app that helps users manage their daily schedule, track goals, and improve productivity.