Mobile development

The Ultimate Guide to Develop a Calendar App

Sometimes, it becomes difficult to deal with time because of an increasing number of occasions to attend and tasks to finish for...

Avatar Written by Pratik Patel · 5 min read >
Calendar App

Sometimes, it becomes difficult to deal with time because of an increasing number of occasions to attend and tasks to finish for work and leisure. Many apps have their in-app calendars. But it can be challenging and complicated to create a calendar app from the beginning or integrate an in-app calendar.

Let’s discuss how you can create a beautiful calendar app! Moreover, we will outline important tools, technologies, and features to develop a calendar app or integrate one.

Industries That Require an In-App Calendar

An in-app calendar increases the functionality of the app and serves a better user experience. The calendars can have good filings, different interfaces, and good designs.

Nevertheless, the implementation is the same – to help users manage their time and schedule. Various industries that need an in-app calendar are:

1. Logistics

In a logistics application, nearly everything must be timely and scheduled beforehand whether it’s loading, shipping, or delivery. Uber Freight is one such example. It contains some interesting features with the in-app calendar. The carriers and shippers can check their past and future shipments and can select the date and time for the delivery.

2. Education

These days, online education is widespread. For making it more feasible, education platforms are integrating calendars. For scheduling home tasks, lectures, and Q & A sessions, an online calendar is accessed differently. Whether it’s an approaching online class or essay submission deadline, the in-app calendars send reminders to users.

Dashboard Design for School App

3. Parking and Transportation

In a parking app, users can discover a place by booking the time and date using the in-app calendar. Nowadays, scheduled taxis are popular. Users can schedule their rides and would receive a reminder when the driver arrives at the spot.

4. Healthcare

The healthcare industry uses in-app calendars for different reasons, like medicine intake timings, appointment booking with doctors, etc. Also, the calendar is used for tracking physical activities to fetch the right statistics at a specific time and planning training sessions.

5. Streaming Applications

Streaming apps also use in-app calendars to help users check out chat shows, live interviews, one-time presentations, and scheduled broadcasts. For example, on Amazon Prime or Netflix, users can register for the premier calendar so they can watch their favorite shows on time.

6. Travel and Hospitality

Travel and bookings platforms also use in-app calendars to provide their services. From displaying available dates to the booked dates for flight reservations, several ways are there to use an in-app calendar.

7. Social Media Platforms

On social platforms like Facebook, many events are there such as concerts, group meetings, and conferences, which are notified when the events are scheduled to happen. Users can also set up a chat or schedule their messages at a specific time on Telegram.

Hence, there are several reasons why the aforesaid industries need to execute an in-app calendar, and you have 2 ways to do that:

  • Either create a custom app from the beginning
  • Or utilize an already existing application available in the market.

It is possible to build your own calendar app, following your objects and needs. So, how will you create a calendar app successfully? You should ponder the technology stack for making a scalable solution. Moreover, you should focus on sync capacities and app design. Let’s put some light on these points!

Technology Stack for Developing a Calendar App

The technology stack of an app is one of the most important parts. You should select the technologies that will assure your app’s scalability in the future.

Here we have divided the technologies into some categories:

APIs to Create a Calendar App

Google and Apple provide lots of APIs for integrating into a calendar application.

1. Apple EventKit

Apple provides several tools for building or integrating a calendar app. EventKit helps get calendar data; hence, it’s easier to build and edit events in the application. Furthermore, Apple offers EventKitUI with various interfaces for adding to your app.

2. Google Calendar API

Many people select Google Calendar for handling their events. Google made comprehensive documentation on the ways of applying the calendar to your app. You can integrate Calendar API with both web and mobile applications.

The Google Calendar API enables creating, viewing, and editing events in a calendar. Moreover, it explains how to use libraries and RESTful calls for various programming languages, such as Ruby, JavaScript, PHP, Java, and others.

Also, many other calendar APIs are available to make your app exceptional. Here are a few ideas:

  • Nylas Cloud Calendar API provides features like reminders, scheduling, and others.
  • SuperSaaS API enables you to send reminders and includes online scheduling.
  • FX Calendar API integrates information regarding future finance events.
  • Calendarific API helps developers include different public holidays in their applications.

Libraries to Develop a Calendar App

To develop the Android-based calendar, developers can use the following libraries:

  • Event Calendar
  • Cosmo Calendar
  • CustomizableCalendar
  • AgendaCalendarView
  • SlyCalendarView

For an iOS-based calendar, developers can use the following:

  • Calendar
  • CalendarLib
  • MBCalendarKit
  • CalendarKit
  • FSCalendar
  • JTAppleCalendar

For web solution, developers can integrate the following:

  • Webix
  • jQuery UI
  • iCalendar
  • Calendarize
  • Kendo UI

Other Important Tools and Technologies to Create a Calendar App

To develop a calendar app, you require various technologies. There can be Java or Kotlin (Android), and Objective-C or Swift (iOS), as for programming languages. Different databases are there to use: MongoDB, PostgreSQL, MySQL, and others.

For making an intuitive and user-friendly app design, UI/UX experts need tools like Sympli, Illustrator, and Sketch.

For testing applications precisely, Quality Assurance engineers can utilize these tools:

  • Postman
  • TestFlight
  • Crashlytics
  • Firebase

Features To Be Added in a Calendar App

Google Calendar App Design Concept

Here are some features you should consider while creating your own calendar app:

1. Setting up Reminders

The application aids reminder set up to prevent users from missing crucial deadlines and meetings. This is a benefit of an online calendar compared to a paper one.

2. Scheduling Tasks

Schedule your tasks and include them in the calendar events. When those tasks are achieved, mark them. This proves to be a time-saver as it reduces the requirement for forth and back among team members.

3. Time Block

Calendar apps are used to boost productivity and Time Block is one prime example of this. Schedule your timings to work on essential projects as they enable you to complete them in these blocks. It’s an indicator of businesses so none interferes in these times.

4. Booking Slots

If you work as a part-time professional with limited office hours to book meetings in a day, an online calendar is ideal for you. Take particular timings of a day and share them with others through a private calendar link. This is how others can click on the link to attend a meeting with you.

5. View Notifications

From new bookings and cancelations to new members in a meet, you can explore all activities that are relevant to users from the time they begin using the app.

6. Recurring Events

Repeat meetings or appointments are not uncommon. In these cases, online calendars help schedule a recurring appointment or event.

7. Resource Management

Include all appropriate resources in your calendar and assign them fast to the favorable booking slot by creating dependencies among them. Irrespective of the number of employees, or devices, streamline all meetings using this unique feature.

8. Contacts’ Availability

The online calendar helps decide the invitees’ availability upon scheduling an event. Hosts can simply convey event invitations to the invitees with many dates and timings. The application would convert the replies to an event promptly, which implies no forth and back calls, texts, or emails!

Important Points to Consider When Developing a Calendar App

Bet App Design Exploration

After assessing current calendar solutions available in the market, we have compiled some essential points:

1. Sync Capacities

Presently, users have many gadgets. It must be simple for them to utilize your calendar not just on mobiles but also on laptops and tablets. You must make sure that your app is synchronized across all connected gadgets.

Moreover, for business requirements, it should provide sync with iCloud and Google. It enables to schedule events around planned things.

2. UI/UX Design

Want to make a user-friendly calendar app? Then you should ponder UI/UX design services. A trained designer can produce an engaging interface with straightforward and easy navigation. Among the current design trends, there are simple forms and bright colors.

For instance, you can select a vivid but minimalistic design. It helps users focus on app features.

3. Access to Hardware

To boost security, you can utilize the hardware of devices. For instance, your calendar can use Force Touch or 3D Touch. Moreover, you can include Geolocation in the events.

4. Advanced Functionality

To acquire more users, you require offering cool features. For instance, for making an app more user-friendly and customized, you can provide users with a custom calendar application. It’s good to help users select various styles or convert the event’s color. Moreover, Google Calendar enables users to invite others for joining events.

5. Speech Recognition

Maybe the most potential functionality that online calendars presently offer is utilizing the natural language for adding and editing calendar entries. Scheduling applications like Voice Calendar and Calendar have executed this feature successfully.

However, alongside all-in-one planners, some other applications like those for healthcare and parking can also enjoy the advantages of speech recognition technology.

To apply a speech recognition feature to an Android app, you can either use Google Assistant or integrate the SpeechRecognizer API. For web apps, use the Web Speech API and for iOS, use Apple’s Speech framework.

app idea banner

Final Thoughts

Creating a basic calendar and integrate it with an application does not sound very complex. However, in case you have some cool ideas to increase the features of your app or develop an unusual and new calendar app, it might take more works. By depending on the best calendar services and practices, you can integrate a calendar with your app easily.

Written by Pratik Patel
Pratik Patel is Sr. iPhone Developer at MindInventory, his personality and key interest falls in imaginative and strategic thinkers. He is managing projects from start to end, dealing with the project requirement and planning the resources. He is a master freak about Apple products. Profile