Best Customizable Calendar Apps

Calendars: Schedule Planner

2026 Daily Organizer・Reminder

Free

This app combines calendar, task management, and habit tracking to boost productivity and organization. It offers seamless syncing across Apple devices and integrates with popular services like Google Calendar. Plan your day, manage tasks, and build routines with customizable views and features.

SimpleCal: Simple Calendar

Fast, Easy Schedule Planner

Free

This calendar app offers a streamlined way to manage your schedule with features like event syncing, customizable interfaces, and helpful reminders. It provides a clear overview of your day and integrates with popular calendar services for easy data backup and access across devices.

FirstSeed Calendar

Calendars and widgets

Free

A powerful scheduling app that manages both events and reminders. It offers innovative calendar views, interactive widgets for various iOS versions, and seamless syncing with Apple's Calendar and Reminders apps. An optional paid upgrade unlocks advanced features like natural language event processing and drag-and-drop functionality.

Calendar Op.2: Planner & Diary

Aesthetic & Minimalist Design

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.

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.

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.

Mokmokchan Calendar | Cute

Simple planner with reminders

Free

Organize your schedule with a charming calendar app featuring adorable characters. Customize themes, icons, and fonts, and use color-coded events for clarity. Set reminders and protect your data with a passcode lock.

Teamup Calendar

The Shared Calendar for Groups

Free

This app facilitates efficient information sharing and task completion for groups through a shared calendar. It allows for organizing people, scheduling work, managing availability, and securely sharing events with teams or external parties.

Simple Calendar Daily Planner

Easy Schedule, Tasks & Agenda

Free

This app offers a streamlined calendar experience with a focus on simplicity and ease of use. It allows for easy sharing of schedules, extensive customization options like font size and color-coding, and secure passcode locking. It's ideal for users seeking a functional, minimalist organizer.

Sea Calendar: Countdown Widget

Custom Wallpaper, Todo Planner

Free

Transform your device into a visually stunning and functional planner. This app lets you customize your schedule with color-coded events and create beautiful, live countdown widgets for your home screen. Seamlessly sync with your existing calendar and manage all your important dates in one place.

StampCalendar DX

Cute calendar for girls

Free

Organize your daily schedule with cute stamps and memos. Customize your calendar view and rearrange stamps for easy access. Offers expanded cloud backup, unlimited themes, and an ad-free experience with a special plan.

Calendar · Planner & Reminders

Tasks, Agenda & To Do List AI

Free

This app offers a streamlined calendar experience with beautiful, intuitive views of your schedule. It unifies events and reminders, allows for quick natural language event entry, and provides contact history. It supports major calendar services and offers premium features through subscription.

Calendar App- Schedule Planner

Plan Your Day, Week & Life

Free

This app offers a simple yet powerful way to manage your schedule with intuitive design and robust features. It provides seamless syncing with popular calendar services and customizable notifications to keep you organized and stress-free.

Tiny Calendar: Planner & Tasks

Agenda, Organizer & Reminders

Free

This intuitive calendar app syncs with your existing calendars, offering powerful event creation and management tools. Access your schedule offline, set advanced reminders, and view your events in multiple formats on your iPhone, iPad, and Apple Watch.

Riff Calendar

The calendar you zoom

Free

This calendar app allows you to zoom in and out of your schedule, viewing a half-year at a glance or a single day hour-by-hour. Events can be edited directly on the calendar, and it integrates with your existing device calendars without requiring an account.