Ruhani Rabin
5 min readAug 23, 2022


How to Develop an Application in Internet of Things (IoT)? Featured Image

IoT is the technology that connects different devices and uses information generated by them. The best thing about the internet of things is that you can use it in many different ways. If you own a sports venue or gym where people come to work out every day, IoT can be used as an analytics tool for measuring their performance. We will focus on developing an IoT app for businesses.

What is IoT Technology?

The Internet of Things (IoT) is a network of physical devices, vehicles, home appliances, and other items embedded with electronics, software, sensors, actuators, and connectivity, enabling these objects to connect and exchange data.

IoT App Development Process to Create Custom Apps

Step 1: Defining Objectives and Requirements

Before you build an IoT app, you must define your objectives and requirements. When you’re creating an IoT app, it’s essential to have a clear goal in mind. You can’t build something that doesn’t solve a problem or add value for your customers.

Having realistic expectations about what your product can do when you launch it is also vital. You don’t want to give yourself more time than necessary to build the first version of your product if all you need is something simple.

Step 2: Working on Back-end Infrastructure

To develop the back-end infrastructure of your app, you need to define the architecture of your information storage and processing system. The backend is where all the products and services are stored in a device and provide data for application use.

  • Selecting a database: You can choose from several relational databases, NoSQL databases, or key-value stores. If you have not worked with databases before, it would be best to choose one widely supported by other app developers in your team who have experience working with it.
  • Choosing a programming language: Choosing a programming language depends on what type of app you want to build. For example, if you are making an IoT device that needs to store large amounts of data, then go for SQLite or PostgreSQL, whereas if the device requires complex algorithms, then choose Python or Java.*
  • Choosing cloud platform: Your choice of cloud platform should be based on pricing model (on-demand vs. per month), reliability, and security features like encryption at rest or via transport layer security (TLS).

Step 3: Developing an IoT App with a Proper Programming Language

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To develop an app on IoT, you must choose a programming language that will be easy to learn and also widely used. In addition, the language should be easy to maintain and suitable for your target device. Here are some popular options,

Step 4: Create the UI/UX

It’s time to create the UI/UX. First, we must select a well-known framework; Bootstrap or Foundation are not mobile-friendly. Instead, I recommend jQuery Mobile or another mobile-friendly design library.

Next, we need to create our mobile-friendly UI design.

Doing this will help ensure that the app looks good on all devices and in all situations (for example, landscape or portrait). You’ll want your user interface designer(s) — designers with experience creating UIs — to work with front-end developers who have experience building sites for desktop and mobile users (and don’t forget about accessibility!).

These teams may also need to work closely with UX researchers who research how customers interact with applications like yours before deciding how it should function within each context where it might appear (e.g., web vs. native). This is why having access means being able to make decisions quickly while still collaborating effectively across teams!

Step 5: Developing the UI/UX

The user interface (UI) is what the end-user interacts with. It includes both the visual elements and how users interact with your app.

The user experience (UX) refers to how a person feels about using an application, website, or device. The UX should be intuitive and easy for people to understand so they can use it without problems. Here are some best practices for developing a UI/UX:

Consider how much time you want your end-users to spend learning how to use your IoT app before actually using it for what it was intended; aim for simplicity above all else when designing the UI/UX of your IoT app!

The simpler you can make something look, the less likely errors will be made by accidentally tapping something instead of another button nearby. You could even consider removing buttons altogether if they aren’t necessary throughout its lifetime(but only after careful thought).

It’s always best practice when developing software programs like these today because they tend to achieve better results and lower costs since fewer resources have been used up during development time itself.”

Step 6: Testing and Deploying the IoT Mobile App

Once your IoT mobile app has been developed and tested, it’s time to deploy the final version. This is a fundamental process that should be done correctly to ensure there are no problems with your app’s performance at any time.

To help you get started, here are some tips on how to deploy an IoT app:

  • Test your app on different devices. You’ll want to ensure that your mobile app works well across all phones and tablets available in today’s market. It’s also essential to test for compatibility issues across different operating systems (iOS vs. Android), networks (WiFi vs. cellular data), locations (inside vs. outside), browsers (Chrome vs. Safari), and sensors (GPS).
  • Test with connected devices. When testing your IoT mobile application, include live data from connected sensors or Bluetooth devices such as heart rate monitors or smartwatches. This step will ensure that all parts of your app work together seamlessly once they’re deployed into production mode later down the line!

Following the proper steps, you can create an IoT app on which users will rely daily. Let’s look at what it takes to ensure your idea makes it into the hands of consumers.

IoT Tutorial For Beginners | Internet Of Things Full Course | Simplilearn

  • Importance of quality user experience (UX)
  • Importance of good design
  • Importance of robust IoT app development and testing
  • Importance of reliable deployment and security measures.


Building an IoT app can be a daunting task, but with our guide, you can develop one that is not only functional but also secure. We hope you have found this article helpful in understanding how to develop an IoT application.

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Ruhani Rabin

Ruhani Rabin being a tech and product evangelist for almost 20 years. He was VP, CPO for various digital companies. Plays with Drones in his free time.