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Best Howbout Calendar Apps

185+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated June 2026

The best howbout calendar apps on iPhone average 4.6★ across 185+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Howbout Calendar

Howbout: shared calendar#1

Howbout: shared calendar by Howbout Ltd.

Social calendar for friends
Editor's Choice
🌐 Social Networking
4.8😊(47K ratings)
FreeAdsIn-App Purchases
#38in Social Networking
Howbout: shared calendar screenshot 1
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Howbout: shared calendar screenshot 6

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.

What We Love

  • 👍 Easy to use and intuitive
  • 🚀 Helps with planning and organizing
  • 💡 Useful features like polls, countdowns, and event chats
  • 🤝 Facilitates sharing calendars and coordinating with friends

Room to Improve

  • 🐛 Occasional glitches and bugs
  • 🔀 Difficulty syncing with other calendars
  • 📢 Overwhelming notifications
TimeTree: Shared Calendar#2

TimeTree: Shared Calendar by TimeTree, Inc.

Make a Shared Calendar
Strong Contender
📊 Productivity
4.9😊(87K ratings)
FreeAdsIn-App Purchases
#53in Productivity
TimeTree: Shared Calendar screenshot 1
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TimeTree: Shared Calendar screenshot 5
TimeTree: Shared Calendar screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Shareable calendars
  • 💡 Customizable color coding
  • 🚀 Efficient organization

Room to Improve

  • 🐛 Occasional sync issues
  • 🐛 Laggy performance
  • 🐛 Confusing time zone changes
PocketLife Calendar#3

PocketLife Calendar by OvalKey Ltd.

Calendar Organizer & Reminders
Worth Considering
📊 Productivity
4.7😊(41K ratings)
FreeAdsIn-App Purchases
PocketLife Calendar screenshot 1
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Organize your life with a stylish and intuitive calendar app. It offers powerful customization, seamless syncing with popular services, and natural language event creation. Share events, set reminders, and personalize your calendar views.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable color-coding
  • 👍 Versatile calendar features
  • 👍 Syncs across devices

Room to Improve

  • 🐛 Occasional sync issues
  • 🔍 Difficulty finding user guide/instructions
  • 💰 Yearly subscription fee

More Howbout Calendar apps to explore

4
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Planner Organizer & Agenda
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.

Intuitive day and month viewsUnified events and remindersNatural language event entry
📊 Productivity
(59K)
free with in-app purchases
5
Tiny Calendar Pro
Tiny Calendar Pro
Tiny Calendar Pro
Calendar App: Planner & Tasks
$19.99

This intuitive calendar app integrates with all your existing calendars, offering powerful tools for event creation and management. It provides multiple viewing options and offline capabilities, ensuring you never miss an appointment.

Natural language event creationDrag and drop event editingSyncs with Google Calendar and iOS local calendars
📊 Productivity
(2.3K)
paid
6
Calendars: Schedule Planner
Calendars: Schedule Planner
Calendars: Schedule Planner
Reminder・Tasks Organizer・To Do
Free

This app combines a calendar, task manager, daily planner, and habit tracker. It helps users plan their day, build habits, boost productivity, and stay organized with seamless syncing across all Apple devices. Features include event creation, to-do list management, natural language input, and integration with popular meeting platforms.

Calendar, task, and habit managementDaily, weekly, and monthly viewsNatural language event creation
📊 Productivity
(120K)
free with in-app purchases
7
Calendar
Calendar
Calendar
by Apple Distribution International
Free

Organize your entire schedule in one place. View events from multiple accounts, manage tasks, and plan gatherings with others. Stay on top of appointments, holidays, and birthdays with customizable views and shared calendars.

Unified schedule viewEvent creation and editingTask management integration
📊 Productivity
(1.5M)
free
8
Simple Calendar・Schedule app
Simple Calendar・Schedule app
Simple Calendar・Schedule app
simple and cool calendar app
Free

This app offers a streamlined calendar experience, focusing on essential features for easy event management. It's designed for users who prefer simplicity and a clean interface over complex functionalities. Get organized with core calendar tools and helpful notifications.

Calendar viewEvent creationSearch functionality
📊 Productivity
(1.9K)
ad-supported
9
Saturn Calendar
Saturn Calendar
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.

Rotating period supportBlock schedule managementSocial schedule sharing
📊 Productivity
(68K)
free
10
PlanPop: Shared Calendar App
PlanPop: Shared Calendar App
PlanPop: Shared Calendar App
Cute Planner for Friends
Free

This app helps you turn social ideas into real plans with friends. Easily share suggestions, coordinate events, and manage RSVPs on a shared calendar. It's designed to simplify social planning and keep everyone updated.

Share ideas with friendsSchedule and coordinate plansManage RSVPs
📊 Productivity
(863)
free
11
Vantage Calendar
Vantage Calendar
Vantage Calendar
Calendar & To-Do List
Free

This app offers a visually engaging way to manage your schedule and to-do lists. It uses colorful cues, stickers, and "stacks" to help you understand your day at a glance. Integrated to-dos can be easily scheduled by dragging and dropping them onto dates.

Visual cues (colors, stickers, book covers)Summarize days with 'Stacks'Integrated to-do lists in notebooks
📊 Productivity
(1.8K)
free with in-app purchases
12
Calendar 365
Calendar 365
Calendar 365
by NO WOO KYOUNG
Free

This app offers a comprehensive calendar experience with lunar views, contact birthday reminders, and yearly overviews. Users can personalize the background and view the clock directly within the app. It also provides iPad support.

Lunar ViewContact birthday and anniversary supportYearly View
📊 Productivity
(51)
free with in-app purchases
13
Custom Holiday Calendar
Custom Holiday Calendar
Custom Holiday Calendar
Create Your Own Holidays
Free

Design your personal yearly calendar by adding custom holidays, work schedules, and special events. This app offers complete control over what days are marked, ideal for personal use or professional tracking.

Create custom holidaysAdd personal days offTrack work schedules
🔧 Utilities
(2K)
ad-supported
14
Awesome Calendar 2
Awesome Calendar 2
Awesome Calendar 2
reminders, note & planner app
Free

Enhance your daily schedule with a feature-rich calendar app. Add visual flair with stickers, create checklists and notes with photos, and access your schedule instantly via a widget. Customize themes, icons, and more to personalize your planning experience.

Calendar with notes and checklistsCustomizable stickers and markersLock screen widget for quick access
📊 Productivity
(4.8K)
freemium
15
CalendarLife
CalendarLife
CalendarLife
Classic Style Calendar & Tasks
Free

Enhance your iPhone's calendar with a classic style interface and numerous customization options. This app syncs automatically with your device's native database, offering a user-friendly experience with multiple views and personalized display settings.

Classic style interfaceCustomizable display (fonts, colors, pictures)List, Day, Month, Week, Agenda views
📊 Productivity
(537)
free with in-app purchases
16
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Sync Agenda Tasks & Reminders
Free

This app offers a highly customizable calendar experience with multiple view options and automation tools. It allows for easy event management, integration with popular calendar services, and includes features like weather forecasts and calendar insights. An optional Pro version unlocks additional widgets and features.

Customizable calendar views (Day, Agenda, Month, Year)Event automation and templatesDrag-and-drop event rescheduling
📊 Productivity
(10K)
free with in-app purchases
17
Simple Calendar: ToDo Planner
Simple Calendar: ToDo Planner
Simple Calendar: ToDo Planner
Schedule list & day organizer
Free
$6.99 | 100% OFF

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.

Schedule sharing15 WidgetsAdjustable font size
📊 Productivity
(6.4K)
free with in-app purchases
18
CCal 11 Lite
CCal 11 Lite
CCal 11 Lite
Sync with Google Calendar™
Free

An intelligent calendar app for efficiently managing your schedule. Easily create, modify, and organize events with drag-and-drop functionality, customizable colors, and support for international time zones. Offers undo/redo and copy/paste features for seamless event management.

Drag & drop event creation and modificationCustomizable event colorsShake to undo/redo functionality
📊 Productivity
(578)
free with in-app purchases
19
Simple Calendar - SimpleCal
Simple Calendar - SimpleCal
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.

Cross-platform sync (iCloud/Google)Event reminders (daily, weekly, monthly, yearly)Weather forecast integration
📊 Productivity
(16K)
free with in-app purchases
20
Calendar Z
Calendar Z
Calendar Z
Simple schedule planner with r
Free

A straightforward yet powerful calendar application designed for efficient schedule management. It features an integrated reminder system, supports Apple Watch, and offers advanced options for recurring events and event display.

Integrated reminder systemApple Watch compatibilityAdvanced repeating event setup
📊 Productivity
(708)
free with in-app purchases