![Treeカレンダー[ツリーカレンダー]-スケジュールアプリ](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Treeカレンダー[ツリーカレンダー]-スケジュールアプリ
HalApp
About this app
- Installs 16k+
- Age 10
- Updated Jan 24, 2026
- OS Android
Editor reviews
A smart schedule and calendar app that organizes your plans in a clear tree view. Build projects, sub-calendars, and tasks in one place to keep work and life structured and efficient. Ideal for busy professionals, students, and anyone who need a powerful yet simple planner.
Core features
- Tree-style hierarchy to group events by project and break work into manageable parts
- Smart reminders, recurring schedules, and drag and drop planning across day, week, and month views
- Cloud sync and backup for cross-device access, plus home screen widgets and quick add for fast capture
Benefits
- High-efficiency planning with clean organization and fewer taps
- Better focus with color labels, tags, and filters
- Seamless integration with your existing calendars for a single source of truth
Keywords calendar app, schedule planner, productivity app, task manager, reminders, cloud sync, work efficiency
Screenshots
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How to use:
1. Download and open the app, then sign in or continue as a guest. Allow calendar permissions so events can sync.
2. Create your first tree by adding a project and subfolders. Choose colors and tags to keep items easy to scan.
3. Add an event or task with the plus button. Enter title, date and time, set repeats, choose reminders, and add notes or locations.
4. Plan your week in the day or week view. Drag to reschedule, mark items done, and filter by project to stay focused.
5. Sync and customize. Connect your existing calendars, enable cloud backup, add a home screen widget, and adjust notification times to fit your routine.