Best Koibito Calendar Apps

Calendar - 2026

2026 Calendar Planner,Reminder

Free

This daily planner and reminder app helps you organize tasks, meetings, and events with customizable views and notifications. It offers to-do lists, checklists, and the ability to add locations and notes to your schedule.

Howbout: shared calendar

For friends, family & couples

Free

This app simplifies social planning by allowing friends to share calendars, coordinate events, and see each other's availability. It helps move plans out of group chats and into a centralized, customizable space with integrated communication features.

minical - Planner & Calendar

Schedule Organizer with Widget

Free

This app offers a minimalist and intuitive way to manage your schedule. View events at a glance with home and lock screen widgets, color-code them for easy distinction, and quickly edit them with smart suggestions. Stay organized with customizable notifications and cloud syncing.

Calendar: Meeting & Scheduling

Take Control of Your Calendar

Free

This app helps you manage your time and boost productivity by consolidating all your calendars. View events in list or timeline formats and easily create new ones that sync across platforms.

Saturn Calendar

Manage and share your time

Free

This app is designed for students to manage complex school schedules, including rotating periods and group events. It simplifies planning with friends and classmates, allowing users to share schedules and coordinate activities easily. Stay organized for high school and college with features tailored to student life.

Calendar Op.2: Planner & Diary

Handy simple calendar

Free

Organize your daily schedule with a clean and simple calendar app. It offers a beautiful month and list view with event titles, a mini pop-up for daily events, and seamless scrolling. Easily copy and paste events and search your schedule.

TimeTree: Shared Calendar

Make a Shared Calendar

Free

This app allows users to create and share calendars with family, friends, or colleagues. It facilitates event planning, communication, and organization through shared schedules, photo albums, and to-do lists. Stay connected and manage your time effectively with this collaborative scheduling tool.

Calendar All-In-One Planner

Sync Agenda Tasks & Reminders

Free

Enhance your standard mobile calendar with advanced features for better organization. This app offers a clear overview, powerful reminder functions, and easy event management. Customize your schedule with color-coding, templates, and support for various calendar services.

Zical - Family Smart Calendar

family-sharing AI Todos

Free

This app helps families manage their busy lives by combining calendars, tasks, and notes in one place. It offers shared scheduling, task assignment, and smart reminders to keep everyone connected and organized.

Lual: Calendar for Friends

Find time, make plans

Free

Easily find times when friends are available to make plans without revealing personal schedule details. Import your availability via text or photo, then propose events that friends can accept or decline.

Simple Calendar - SimpleCal

Tasks & ToDo for your schedule

Free

This app offers a straightforward way to manage your schedule, sync events across devices using iCloud or Google Calendar, and stay organized with reminders and weather forecasts. Its customizable interface and simple design make adding and editing events quick and intuitive.

HiCal - Collaborative Calendar

Collaborative Calendar

Free

This app facilitates collaborative event planning and scheduling for groups. Share timetables, receive real-time updates on changes, and communicate via comments. Ideal for students, project teams, and organizations to stay synchronized.

Cute Calendar: Daily Planner

Simple calendar for daily plan

Free

Organize your daily life with a simple and friendly calendar app. Plan events, manage schedules, and track important dates with a clean interface and pleasant visual style. It works offline and prioritizes your privacy by keeping data on your device.