Digital Planner App for Students

I'm looking for a capable app developer to create a digital planner app for school and college students. This app should be compatible with both iOS and Android.

Key Features:
- Class Schedule Manager: Users should be able to organize subjects, class timings, and locations.
- Assignment & Exam Tracker: The app should allow users to set deadlines, reminders, and priorities.
- Task & To-Do Lists: A daily and weekly planner for homework, projects.
- Notes & Study Planner: Users should be able to add lecture notes and create study schedules.
- Calendar Integration: The app should sync with Google Calendar or iCal.
- Reports & Insights: Users should get productivity tracking, study streaks, and goal completion.
- High focus should be on UI / UX

Customization Options:
- Dark mode and color themes: The app should provide these aesthetic options for users.
- Stickers and icons: Users should be able to personalize their planner with different stickers and icons.

Ideal Skills and Experience:
- Proficiency in Android and iOS app development (Android can work for now)
- Previous experience in creating planner or productivity apps
- Understanding of user-friendly interface design
- Ability to implement customizable features in an app
- Experienced UI / UX developer