Best Customizable Calendar Apps

N Calendar - Planner & Agenda

Clear and Calm Calendar App

Free

A minimalist calendar app offering a simple, account-free planning experience. Customize with themes, adjust font sizes, and color-code events for clear organization. Secure your schedule with a passcode lock.

SimpleCal: Simple Calendar

Fast, Easy Schedule Planner

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.

ももちースケジュール帳 可愛い共有スケジュール管理アプリ

仕事や勉強の時間割・シフト、祝日・六曜・大安・友引・仏滅の暦

Free

Customize your schedule with charming illustrations from a popular artist. This simple calendar app offers easy-to-use features like color-coded events and multiple display options for efficient daily planning.

Agendo Week Calendar

Your weekly planner, your way

Free

This app offers an intuitive way to visualize your entire week, simplifying future planning by highlighting your schedule and free time. It features a clean design with multiple views, customizable colors, and widgets for easy access. Your data stays on your device, ensuring privacy.

Calendar Op.2: Planner & Diary

Aesthetic Planner & Diary

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.

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.

Otona Calendar: Simple Planner

Schedule, Agenda & Reminders

Free

A straightforward calendar app designed for immediate use without complex setup. It leverages your existing iOS calendar data, allowing seamless integration and immediate functionality. Features include event management, template creation, and availability searching.

Horizon: Calendar Highlights

by Steve Villardi

Free

$2.99 | 100% OFF

This app intelligently organizes your existing Apple Calendar events into meaningful categories. It provides daily and weekly briefings, helps you find free time, and cleans up duplicate entries, all while prioritizing your privacy with on-device intelligence.

Pencil Calendar - PencilCal

Draw events with Apple Pencil

Free

An intuitive calendar app designed for iPad, allowing users to draw events directly on the calendar with Apple Pencil. It integrates with existing calendars and offers various views for planning and organization.

Q Calendar

Super-cute calendar, made fun

Free

This app offers a fun and visually appealing way to manage your schedule. Decorate your calendar with cute stickers, customize themes, and efficiently organize events and reminders.

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.

Calendar+ - Event Scheduling

Calendar with Task Manager

Free

This app offers a customizable calendar and task management system with event categorization and alerts. It provides a visually appealing interface for tracking tasks and scheduling important dates.

Plander: Planner & Calendar

Minimal planner·Widget support

Free

A minimalist task management application designed for simplicity. Quickly add and organize tasks with intuitive gestures, view your schedule in a timeline, and receive timely reminders. Customize tasks with colors and sync across devices.