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July 20, 2023
9 min read time

Developing an IoT App Without Writing Code. A Non-technical Guide.

Creating quality Internet of Things (IoT) applications without writing code may sound like a fantasy, but it doesn't have to be. With the technology advancement of low-code development platforms, IoT app development is no longer restricted to developers with expertise in coding. For non-technical developers who want to create their own connected applications, this blog post will guide you through the eight steps necessary for successful IoT App development. You won't need to worry about technical details – your low-code platform has got you covered.
iot app development

What Exactly is an IoT App?

An IoT app, short for Internet of Things application, is a modern marvel that comes in many forms, each designed to perform specific tasks. At its core, an IoT app is a software application that connects to devices, usually via the internet, which can send and receive data. This data is typically sent to a cloud server, where it is stored and processed.

The real magic of an IoT app lies in its business logic component. This key feature allows the app to read, analyze, and interpret the data collected from the devices. It provides valuable insights that can be leveraged to optimize processes, make informed decisions, or even predict future trends.

But it doesn't stop there. Many IoT apps offer the option to remotely control connected devices, allowing users to interact with their devices from anywhere in the world. Some IoT apps even take this a step further by enabling automatic control of devices based on predefined conditions or triggers.

To facilitate communication between the app and the connected devices, IoT apps employ certain protocols. MQTT (Message Queuing Telemetry Transport) is one such commonly used protocol, favored for its light-weight nature and reliability in delivering messages under constrained network conditions.

So, in essence, an IoT app is a sophisticated piece of software that breathes intelligence into ordinary devices, unlocking the potential of the connected world.

Low-code Platforms Do Not Stop at IoT Either

Low-code platforms have long been the cornerstone of website construction kits, enabling web developers to build sites with minimal hand-coding. More recently, this technology has migrated to the app development arena, revolutionizing the way we create applications. Today, few marketplaces, customer portals, or CRM systems are built from scratch using traditional programming methods. It's far more common for developers to adopt standard solutions or leverage low-code and no-code tools.

The IoT sector, with its complex architecture, myriad standards, and multiple transmission protocols, is the latest beneficiary of these platforms. Low-code platforms abstract these intricacies, facilitating easy integration of hardware and simplifying IoT app development. In other words, low-code platforms are making it possible to develop sophisticated IoT apps without the need for extensive coding knowledge, truly democratizing the IoT landscape.

With the advent of low-code platforms, a shift in the development process is not only possible, but imperative. The reduction in technical hurdles paves the way for a more user-centric approach, allowing developers to dedicate more time to understand user needs and solve their problems rather than getting tangled in complex coding routines. Curious about the new-age development process for IoT apps? Let's explore an 8-step journey that can revolutionize your perception of IoT app development.

A Guide for IoT App Development in the Age of Low-coding

Let's jump into the process of developing and deploying an IoT app without writing code.

1) Define a Use Case

This may sound like stating the obvious, but it's the most crucial first step. Identifying the use case for your IoT app is key to ensuring it delivers tangible value. Whether you're aiming to streamline internal operations or solve a customer problem, the use case needs to align perfectly with your business objectives. The beauty of low-code IoT app development is that it simplifies and accelerates the development process. However, even with the best tools at your disposal, an IoT app will only be as effective as the use case it's designed to address. Therefore, clarity on the problem you're trying to solve or the need you're looking to fulfill is paramount.

2) Understand the Challenges of Potential App Users

Once the use case is defined, it's time to step into the shoes of your potential app users. Understanding the challenges they face on a daily basis is a critical step in ensuring your IoT app is tailored to their needs and solves their problems.

Leverage user interviews to gain in-depth insights into their day-to-day issues. Ask a combination of open-ended and closed-ended questions that can elucidate their needs and preferences. For instance, you can ask:

  • What kind of visualization would serve you best in understanding the data?
  • What is your primary use for the data - active checking or passive notification on certain data points?
  • Which devices do you prefer to use for accessing the IoT application?

These questions are instrumental in offering a clear picture of the user's expectations and the challenges they face, which in turn, helps you to build a low-code IoT app that's truly user-centric and effective.

3) Draft and Design the Frontend First

The next step in the low-code IoT app development process is to draft and design the frontend of your app. Before diving into backend logic, it's critical to visualize how your app will look, interact, and feel to the end-user.

To create a solid foundation for your app, make use of wireframing tools. These tools allow you to sketch out the fundamental structure and layout, providing a detailed blueprint of how app elements are positioned and interact. For an even more efficient approach, consider utilizing a low-code App Builder that enables you to design a clickable prototype directly. This way, you can streamline the app development process while ensuring a user-friendly and visually appealing end product.

Remember - the aim is to create an intuitive and easy-to-navigate interface that aligns with your users' expectations. At this stage, it’s important to circle back to your potential app users. Show them the draft or prototype and gather their feedback. Ask questions like:

  • How intuitive is the app interface?
  • Can you easily navigate through the app?
  • Do the visualizations effectively convey the data you need?

The feedback from potential users will not only validate the value of the IoT app but also help refine its design to better cater to their needs.

As you're creating your IoT app's frontend, consider utilizing simulated data to validate your visualizations. Many low-code platforms offer the capability to simulate data, allowing you to see how your visual elements will display actual data and interact with it, ensuring you're delivering a truly effective, user-friendly interface.

4) Define Requirements Based on Frontend

Once your frontend design is ready and has received the nod of approval from potential users, it's time to define the requirements for your IoT app. Start by outlining what devices your app needs to connect. Depending on your app's purpose, this could include anything from smartphones, wearables, and smart home devices to industrial IoT applications that connect to sensors, gateways, machine controllers, and more.

Consider the ways these devices will communicate with your app and how the app will modify data received from these devices. Will your app primarily fetch data from devices, or will it also send commands to manipulate the devices' status? Answering these questions will help you define your app's functionality better.

Now it's time to pick your platform and technology. Consider low-code IoT platforms. They abstract away the complexities of coding and offer built-in capabilities for device connectivity, data processing, and security — all crucial factors in successful IoT app development.

Next, think about your app infrastructure. Will you build it from scratch or use an existing platform? While building your infrastructure might give you more control, using an existing platform can significantly speed up your app development process and reduce costs.

Finally, never forget about security. In the world of IoT apps, where vast amounts of sensitive user data are collected, stored, and processed, robust security measures are a must. Look for a platform that offers built-in security features, from secure device connectivity to data encryption, ensuring that your IoT app is secure from backend to frontend.

Remember, defining clear and detailed requirements at this stage will pave the way for smooth and efficient IoT app development. And with the power of low-code IoT platforms, you can turn your IoT app vision into reality, without needing to write a single line of code!

5) Backend Implementation

This step involves the integration of devices using flows provided by low-code platforms. These flows simplify the process of device integration, making it user-friendly and less time-intensive.

Next, you'll need to construct the backend based on your previously defined requirements. The beauty of low-code IoT platforms is their inherent flexibility – they allow you to custom-build your backend, shaping it to fit your specific needs.

Additionally, some platforms offer the enticing possibility of directly connecting data modification in the backend with frontend widgets that are already in place. This seamless integration significantly enhances app functionality and provides an improved user experience, making your IoT app not just operational, but also intuitive and user-friendly. Remember, the goal here is to create an IoT app that's as powerful as it is easy-to-use, and low-code IoT platforms are a fantastic tool to achieve this.

6) User Testing and Feedback

Before deploying your IoT app on a grand scale, it's crucial to carry out a test deployment. This is a "litmus test" of sorts, to gauge how your application performs in a controlled environment. Testing your app gives you an invaluable insight into its functionality, usability, and overall performance.

Once you've completed the test deployment, it's time for user testing. User testing is an essential part of IoT app development, as it allows you to gather feedback directly from your target audience. It is advisable to conduct this in a structured manner, using predetermined test scenarios, and closely documenting the results. This provides you with tangible data about the user experience and areas for improvement.

Feedback gathered should be meticulously documented, as it is a gold mine of information for tweaking and refining your IoT app. This structured feedback is crucial for identifying any bugs, usability issues, or performance problems. Remember, the goal is to create an IoT app that meets your users' needs in the most efficient and user-friendly way possible. And, with the power of a low-code IoT platform, the iterative process of refining based on user feedback can be significantly streamlined.

7) Implement Changes and Tweak the Design

After testing and compiling user feedback, the next step in IoT app development is to implement changes and tweak the design based on the feedback received. This step is critical to enhancing user satisfaction and making your IoT app as user-friendly as possible.

The beauty of low-code IoT platforms is their flexibility and adaptability. You can easily make changes to your app, experiment with different features, and quickly see the effects of your tweaks. This iterative process plays a pivotal role in refining your app, and the speed at which you can make these alterations with low-code platforms greatly accelerates this process.

Remember, the aim is not just to satisfy your users but to delight them. With the swift iteration that low-code platforms offer, you can continuously improve your IoT app, responding rapidly to user feedback and needs. By refining your IoT app based on concrete user data, you are well on your way to creating an IoT application that leaves your users 100% happy.

8) Deploy and Guide Your Users

Now that you have addressed and refined all aspects of your IoT app, it's time to go live. Deploying your IoT app on a scalable infrastructure is a crucial step in IoT app development, and guess what? Many low-code IoT platforms come with built-in deployment capabilities. These platforms provide elastic scalability, allowing your app to grow with your user base and handle peak loads efficiently.

Once deployed, don't leave your users in the dark. Provide clear and straightforward instructions on how to install and use your app. In the age of YouTube and TikTok, video tutorials are a fantastic way to guide your users, especially first-timers. You can create videos that take your users on a journey through your app, showcasing all its features and functionalities.

But wait, there's more! Many low-code IoT platforms come with built-in wizards. These wizards are like your users' personal assistants, guiding them step-by-step when using the app for the first time. They help users navigate your app with ease, making their initial experience smooth and delightful.

So, get ready to go live, guide your users, and watch as your IoT app starts to make an impact. Remember, with the power of low-code IoT platforms, you're not just creating an IoT app; you're creating an extraordinary user experience.