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In our daily life, we have so many tasks to complete and events to attend. But sometimes, we tend to forget about them due to our busy schedules. Imagine having a calendar app on your phone that reminds you of the events coming and tasks to do. It will be really helpful. 

Make a calendar app from scratch is a challenging task. However, integrating the best features, functionalities, tools, and technologies is an even more arduous task. This blog delves into the intricacies of crafting the ultimate calendar app, offering insights into the careful amalgamation of components that contribute to the realization of the best schedule making app in the market.

Which Industries Use an In-App Calendar? 

You must have seen an in-built calendar in many applications. Mobile app development services company can create in-app calendars that help in improving the customers’ ease and experience. 

You can create calendars of different types with impressive designs and distinctive interfaces. Nonetheless, the purpose remains the same i.e., to help people maintain and manage their everyday schedules.

Different Industries Which Utilize An In-App Calendar Are As Follows: 

1. Logistics 

In the logistics app, everything is time-based, let it be loading, shipping, or delivery date. For example, Uber Freight. This application comes with an in-app calendar and has related features. 

In such type of app, the carriers and shippers can check past shipments. They can also select the date and time for the delivery of the shipment.

2. Healthcare 

The healthcare applications require the in-app calendar for different features. For instance, booking appointments with doctors, managing medicine intake timings, upcoming checkup dates, etc. 

The calendar is also used in tracking the time of different physical activities and for statistics & planning the activities sessions. 

3. Education 

After the pandemic hit, online education apps gained wide popularity. These apps are integrated with calendars for various purposes. 

For instance, reminding online lectures date & time, Q/A sessions, assignments and homework notifications. The app reminds the students of all the different activities, project deadlines, and submissions. 

4. Travel and Hospitality 

The travel and hospitality apps use in-app calendars extensively. For example, booking flight tickets, checking the availability of hotels, car rentals, etc. You can check the prices and availability for specific dates and months. 

5. Parking and Transportation 

In parking and transportation apps, the in-built calendars are used for booking the time and date for a particular parking slot. It can help people to schedule their rides and get reminders when the driver arrives at the spot. 

6. Streaming Applications 

Steaming apps have in-app calendars to let people check the show dates, live interviews, and upcoming broadcasts. For example, Netflix or Amazon Prime allows users to register for the premier calendar, where they can watch their favorite shows as they launch. 

7. Social Media Platforms 

You must have seen many event notifications come on Facebook for upcoming events, concerts, and conferences. On the telegram app, people can schedule their chat messages at a specific time. Different social media platforms have an in-built calendar to send event reminders and schedule messages. 

Many industry apps have in-app calendars due to the utilities it provide. Now, you must be thinking about how you can make a calendar app successfully. What is the tech stack for making a calendar app?

In the next section, we have discussed the technology stack required for making a calendar app.

Tech Stack for Making A Calendar App

The tech stack of your application plays a significant role in determining how functional your app would turn out in the end. 

Below, we have given some of the best technologies that you can consider utilizing in your calendar app development

APIs to Integrate 

Both Google and Apple have a lot of APIs that you can integrate into your best calendar app.

1. Google Calendar API 

Google Calendar is a good option for managing your event data. Google provides an extensive documentation on the methods of integrating the calendar into your application. You can integrate the Google calendar API with both web and mobile apps

The calendar API allows you to add, create, delete and edit events in a calendar. It also explains the utilization of libraries and RESTful calls for different programming languages like Java, JavaScript, PHP, Ruby, and more.

2. Apple EvenKit 

Apple offers many tools for developing or integrating into the calendar app. It aids in getting data from the calendar; therefore, it’s easy to create and edit events in the application. Additionally, it provides different interfaces for adding to the app.

Apart from Google Calendar API and Apple EvenKit, you can use other calendar APIs as well. Below we have given the names of a few such APIs. 

  • Calendarific API: It helps developers inculcate different public holidays in their applications. 
  • SuperSaaS API: It allows you to send reminders and enable users to do online scheduling.
  • Nylas Cloud Calendar API: It has various features like scheduling, reminders, and more. 
  • FX Calendar API: It encompasses information related to future finance events.

Libraries for Making a Calendar App

Here, we have given suggestions on different libraries that you can utilize to for make a calendar app

For Developing a Web-Based Calendar, You Can Use The Following:

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

For Building an Ios-Based Calendar, Developers Can Integrate The Following: 

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

For Creating An Android-Based Calendar, Developers Can Utilize The Following:

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

Other Important Tools & Technologies 

For the best schedule making app, you require different tools and technologies. The programming language selection depends on the platform you choose for your calendar app. You can use Java or Kotlin for Android and Swift or Objective-C for iOS app. 

There are different databases that you can use, such as MySQL, MongoDB, PostgreSQL, and more. For creating a user-friendly app, your UI/UX designers can utilize tools like Sketch, Sympli, and Illustrator. 

Your quality analysts can use the best testing application tools like Firebase, TestFlight, Crashlytics, and Postman.

Features You Can Add to a Calendar App 

Here, we have mentioned some of the factors that you must consider when make a calendar app from a mobile app development company

1. Reminders 

A reminder set-up feature sends reminders to users priorly for upcoming events, meetings, or conferences. This is the major difference between a paper calendar and an online calendar. 

2. Scheduling Tasks

The scheduling task feature allows users to add their tasks to the calendar events. When the tasks are completed, they can mark them as complete. This will help users manage their task timeline effectively and save time. 

3. Upcoming Events 

Events and meetings are common for everyone. In online calendars, you can schedule events or recurring meetings. 

4. Time Block 

The Time Block feature of the calendar apps can help you boost productivity and reduce disruptions. You can schedule your timings to work on important projects and block those time slots. This will work as an indicator for others, and they’ll not intervene at those particular times. 

5. Booking Meeting Slots 

Suppose you are a professional who has to arrange and attend a lot of meetings in a day. Then, an online calendar is apt for you. You can choose specific times of the day and share your private calendar link. This way, others can click on the link and choose the time for meeting with you. 

6. Notifications 

An online calendar app can give you notifications for all the activities happening. For instance, new bookings and cancelations of meetings.

7. Contacts’ Availability 

An online calendar lets you know the invitees’ availability upon setting up the event. As a host, you can send event invitations with different dates and timings. Once the invitee selects the event with a date & timing, the event is set immediately. 

8. Resource Management

To manage your resources properly, enter them into your online calendar. You can see the number of devices, employees available, and other resources. This way, you can arrange meetings appropriately and manage your resources in accordance with their availability.

Factors to Consider When Making a Calendar App

Here, we have mentioned some of the factors that you must consider when making a calendar app.

1. UI/UX Design 

The UI/UX design of the calendar app is important to gain recognition from people. A user-friendly and engaging interface is the requisite of a calendar app. You must look up to the current design trends for reference. 

Try using simple layouts with bright colors. Remember, less is more when it comes to creating an application. Make sure you put more focus on the application features and functionalities. 

2. Advanced Functionality

Add advanced functionalities to get more users in your calendar app. For example, you can let your users customize the calendar app by choosing the layout & colors of their choice. You can also allow them to select the colors for specific events. By integrating it with Google Calendar, you can enable users to invite others to join events as well. 

3. Sync Capabilities 

Nowadays, people use different devices, ranging from phones to laptops & tablets. Your calendar app must be able to synchronize across all the different & connected devices. 

For professional purposes, it is vital that your app syncs with Google and iCloud. It lets people plan things out and schedule events. 

4. Access to Hardware 

To improve security, you can use the hardware of devices. For example, your calendar app is able to utilize the Force Touch or 3D Touch. You can also use the geolocation feature in the events. 

5. Speech Recognition 

Speech Recognition is a functionality that has been gaining popularity in recent times. Some calendar apps that have this feature are Voice Calendar and Calendar. Many healthcare and parking applications utilize speech recognition technology. You can use this technology to enable users to add or edit events in the calendar.

To integrate speech recognition technology into your Android app, you can use SpeechRecognizer API or Google Assistant. For web apps, you can utilize Web Speech API, and for making the best calendar app for iPhone, you can use Apple’s Speech framework.

Wrapping Up 

Developing a basic calendar app with some easy features is not difficult. However, if you want to make a calendar app with advanced features, then it requires a lot of background work. 

In the above blog, we have given many cool calendar app ideas, features, and functionalities that you can add to your app. In case you are doubtful, we can do it for you. Sphinx Solutions is a leading and trusted app development company. We have a team of experts, professionals, and developers that can develop thebest calendar app as per your specifications.

To know how much app development cost, you can connect with our team. Schedule a call with our experts to get an estimation for your app development project, or email us at

Read more related articles:
1. A Complete Guide: iOS App Development
2. A Brief Guide To Building Successful Mobile Apps

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