How To Create An IoT App: Comprehensive Guide

Introduction

As the world becomes more intelligent, we used to refer to objects as "SMART" in the context of the Internet of Things technology. 

However, the responsibility for this transformation cannot be attributed to any one entity or individual. Rather, it is a collective effort of corporations, enterprises, and individuals who are driving innovation in the field of IoT. These organizations are investing heavily in research and development to create increasingly sophisticated and connected devices that offer new levels of functionality and convenience.

At the same time, individuals are embracing IoT technology in their personal lives, driving demand for new and innovative applications that cater to their specific needs and preferences. This has created a virtuous cycle of innovation, where the demand for IoT technology drives its development, which in turn fuels further demand.

The latest IoT Analytics “State of IoT—Spring 2023” report shows that the number of global IoT connections grew by 18% in 2022 to 14.3 billion active IoT endpoints. In 2023, IoT Analytics expects the global number of connected IoT devices to grow another 16%, to 16 billion active endpoints. While 2023 growth is forecasted to be slightly lower than it was in 2022, IoT device connections are expected to continue to grow for many years to come.

McKinsey's research indicates that around 65% of the anticipated value of the Internet of Things (IoT) by 2030 is expected to be generated through B2B applications. However, the value of B2C applications is also rapidly increasing. This growth can be attributed to the unexpectedly quick adoption of IoT solutions within homes, which has spurred the development of innovative B2C applications.

In this article, we'll closely examine the impact of IoT app development on various industries, as well as strategies for creating IoT applications with reduced risks.

1. IoT App Development Across Different Industries

IoT app development has found its place in various industries, including healthcare, manufacturing, transportation, agriculture, etc. 

In the healthcare industry, IoT app development has led to the development of wearable devices that can monitor patient vitals, collect data, and provide real-time feedback to healthcare providers. 

In manufacturing, IoT app development has enabled companies to monitor equipment, streamline operations, and improve productivity. 

Transportation companies have benefited from IoT app development by being able to track vehicles, monitor fuel consumption, and improve route optimization.

And in agriculture, IoT app development has led to the development of precision farming techniques, enabling farmers to optimize crop yields and conserve resources. 

When it comes to the development of IoT applications, it is not always industry-specific. For instance, a mobile IoT application designed to manage solar energy consumption could pertain to the energy industry, as well as the consumer or smart home sectors. 

While it may be tempting to focus solely on project examples or case studies within a specific industry, it is important to understand that IoT technology is being used in virtually every industry today.

Therefore, working with a team of developers who have experience in a wide range of industries can provide valuable insights into the best practices and technologies for building successful IoT solutions.

At Indeema, our extensive and diverse portfolio speaks to our expertise in the field of IoT development. As such, we are pleased to present a detailed guide on how to build an Internet of Things app, crafted by our knowledgeable team.

2. How IoT is influencing the creation of mobile apps    

Mobile app development is being profoundly impacted by the Internet of Things (IoT) in a number of ways. The following are some of the main ways that IoT is influencing the creation of mobile apps:

Integration with IoT Devices: Mobile apps are being created more frequently to connect to and communicate with IoT devices including wearable tech, industrial sensors, and smart home appliances. To ensure smooth connectivity with these devices, developers must integrate IoT protocols and APIs into their programs.

Data gathering and analysis: A lot of data is produced by IoT devices. These data are gathered, transmitted, and analyzed using mobile apps. In order to make sense of the data created by IoT devices, app developers must design effective data gathering and processing algorithms.

Enhancing the user experience: Mobile apps can give users a centralized interface to manage and watch over their IoT devices. Users must be able to easily manage and interact with their IoT devices using their smartphones or tablets, thus developers must create user-friendly interfaces.

Security and privacy are of utmost importance as more IoT devices are linked to mobile apps. To safeguard users' personal information as well as the data sent between IoT devices and mobile apps, developers must put strong security measures in place. Real-time alerting and monitoring are frequently needed for IoT devices. Users' ability to receive timely updates and alerts regarding the state of their IoT devices is crucially dependent on mobile apps.

Cross-Platform Development: To reach a larger audience, programmers frequently design cross-platform mobile applications that work on both Android and iOS gadgets. To reduce development efforts, cross-platform development must be supported by IoT app development frameworks and tools.

3. IoT App Development Across Different Industries

Internet of things app development has found its place in various industries, including healthcare, manufacturing, transportation, agriculture, etc. 

In the healthcare industry, IoT app development has led to the development of wearable devices that can monitor patient vitals, collect data, and provide real-time feedback to healthcare providers. 

In manufacturing, IoT app development has enabled companies to monitor equipment, streamline operations, and improve productivity. 

Transportation companies have benefited from IoT app development by being able to track vehicles, monitor fuel consumption, and improve route optimization.

And in agriculture, IoT app development has led to the development of precision farming techniques, enabling farmers to optimize crop yields and conserve resources. 

When it comes to the development of IoT applications, it is not always industry-specific. For instance, a mobile IoT application designed to manage solar energy consumption could pertain to the energy industry, as well as the consumer or smart home sectors or smart cities. 

While it may be tempting to focus solely on project examples or case studies within a specific IoT industry, it is important to understand that IoT technology is being used in virtually every industry today.

Therefore, working with a team of developers who have experience in a wide range of industries can provide valuable insights into the best practices and technologies for building successful IoT solutions.

At Indeema, our extensive and diverse portfolio speaks to our expertise in the field of IoT development. As such, we are pleased to present a detailed guide on how to build an Internet of Things app, crafted by our knowledgeable team.

4. Step-By-Step Guide On How To Build An Internet Of Things App

A guide on how to create IoT applications can help understand the various components involved in building an app, such as reliable  hardware, software, connectivity, etc. It can also help you plan and organize your project, determine the app development cost, provide a framework for setting goals and timelines. 

4.1 Beginning a Software Development Relationship

However, when a client decides to work with a software development company for IoT application development process, there are generally two scenarios that can occur:

Scenario #1: Revamping or Expanding an Existing Project

In this case, the client already has an IoT application that needs to be updated or expanded. This could be due to changing user requirements, the need for new features, or the application's architecture requiring improvement. The software development vendor will work with the client to evaluate the current state of the application, identify any issues or shortcomings, and propose solutions to improve and enhance the application. Revamping or expanding an existing IoT application typically requires less time and effort than building an IoT app from scratch, as the existing application serves as a foundation.

Scenario #2: Building an IoT App from Scratch

In this scenario, the client does not yet have an existing IoT application and requires the company to create one from the ground up. The software development company will work closely with the client to understand their specific requirements and objectives for the IoT app. Building an IoT app from scratch can be a time-consuming and resource-intensive process.

4.2 Building an IoT App: A Detailed Walkthrough

If we are dealing with Scenario #1, it is essential to recognize that there are additional preliminary steps that must be taken before beginning the app development process. These steps are as follows:

⚈ Conduct a comprehensive analysis of existing hardware, software, middleware, and other infrastructure to identify areas in need of improvement.

⚈ Determine the expansion strategy, taking into consideration whether it will be primarily local improvements or if specific parts of the project require a “complete overhaul”.

⚈ Develop a modernization plan, which includes:

• - Suggestions for team structure
• - A timeline with clear milestones
• - A list of necessary resources such as hardware, software, and cloud services.
• - Proceed with the proposed changes while ensuring that the current system remains operational for as long as possible and necessary.

To develop an IoT app from scratch (Scenario #2), several steps must be taken to ensure a successful outcome. These steps include:

• Analyzing Business Requirements 

Understanding the business requirements is the first step towards developing an IoT app. This involves identifying the problems the app is expected to solve 
and outlining its intended functions. This will help to focus development efforts and ensure that the product meets the business requirements.

• Technical Feasibility Assessment 

Determining technical feasibility involves evaluating the match between the identified requirements and state-of-the-art technology to ensure all specified features can be implemented.

• Hardware Capability Evaluation

The hardware used in the IoT system needs to be considered during app development to ensure that sensors, actuators, and controllers can seamlessly integrate with the application.

• Designing Data Flow, Information Exchange Protocols

It is essential to design a data flow that allows a seamless exchange of information between the IoT devices and the app. One important aspect of data flow design is choosing the right information exchange protocols. The protocols define the rules for how data is transmitted and received between the devices and the app. There are various protocols available, each with its own strengths and weaknesses. For instance, the HTTP protocol is commonly used for exchanging data over the internet, while the MQTT protocol is ideal for low-power devices with limited network bandwidth.

• Choosing Cloud Platform 

When comparing different platforms, consider scalability, approach to security, and ease of use. This means that the platform should have the ability to add more resources quickly and efficiently without affecting the app's performance. In addition, to protect sensitive data, the platform should provide end-to-end encryption, secure access controls, and other security measures such as two-factor authentication. When evaluating cloud ready-made IoT platforms, other factors to consider include the cost of the service, the platform's reliability, and the availability of technical support. 

• Programming Framework and Language Selection

Choose a programming language and development framework that are well-suited to your app's requirements. One important factor to consider when selecting a programming language is its suitability for the app's requirements. Different programming languages have their strengths and weaknesses, and choosing the right language can help ensure that the app performs well and meets its intended purpose. For example, if the app involves real-time data processing, a language like C or C++ might be a good choice due to their speed and efficiency.

• App Architecture Design

The IoT app architecture must be designed to ensure smooth functionality, scalability, and maintenance. This includes using modular components, separating concerns, and using standard programming practices to make the app more maintainable. A well-designed app architecture can help reduce maintenance costs and improve the longevity of the app.

• User Interface Design

This step involves creating wireframes, defining the user experience, and designing the visual elements of the app.

• Backend Development 

The backend of the IoT app should be designed to manage communication between the app and the core IoT devices. The backend should be able to adapt and incorporate new features and functionalities. This requires using flexible and scalable technologies, such as microservices architecture, which can help make the backend more agile and easier to maintain.

• IoT Device Integration

Implement messaging between IoT devices, the cloud platform, and the app using the chosen communication protocol. MQTT, CoAP, and HTTP are some of the most commonly used protocols in IoT device integration. Another important consideration when integrating IoT devices is ensuring that the devices can be securely connected to the cloud platform and the app. This includes implementing secure communication protocols such as TLS/SSL and ensuring that devices are authenticated and authorized before being allowed to connect to the system. 

• Testing 

Testing the app for functionality, performance, security, and usability is a critical step in ensuring its success.

• App Launch

Once your app is ready, it's time to launch it to the public. Use marketing and promotion strategies to reach your target audience and generate interest in your IoT app.

• Maintenance

The IoT landscape is constantly evolving, so it's important to keep your app up-to-date with the latest technology and security standards. Maintain your app by fixing bugs, adding new features, and staying on top of security updates.

By following these steps, companies can create IoT apps that meet business requirements, are efficient, and provide a seamless user experience.

5. What Team Is Needed To Develop IoT Solution

We've already discussed how to create IoT applications, and because it's part of a larger IoT system, it's made up of a complex mix of hardware, software, and networking components.  As a result, you'll need a diverse team of experts to create such a solution.

5.1 IoT Architect

One of the most critical roles in an IoT development team is IoT architect. The architect designs the overall system architecture: from defining the data flows and communication protocols to system integration. They need to have a deep understanding of the various technologies and protocols involved in IoT systems, such as low-energy sensors, actuators, embedded operating systems, cloud computing, and networking. They should also have a solid grasp of data management, analytics, and security concepts to design a robust and scalable architecture.

5.2 Hardware Engineer

A hardware engineer is responsible for designing devices that collect data and control “Smart Things”. This role involves overseeing the device assembly process based on previously created blueprints. They need to have a strong background in electronics, microcontrollers, and embedded systems programming, as well as experience in designing and testing hardware prototypes.

5.3 Firmware Engineer

A firmware engineer is responsible for developing software that enables remote devices to connect to the cloud technology and process data. This software imbues devices with features that enhance their functionality. It is not uncommon for a single specialist to assume the roles of both hardware and firmware engineer. Furthermore, low-level firmware updates development requires a thorough understanding of the underlying hardware.

5.4 Software Engineer

A software engineer is responsible for the development and maintenance of software that runs on servers, clouds, or gateways, and is involved in handling data from IoT devices. They need to have expertise in software development methodologies, programming languages, and frameworks, such as Java, Python, Node.js, and Angular.

5.5 DevOps

DevOps professionals play a critical role in IoT projects by ensuring the smooth and efficient operation of development and deployment processes. This involves automating the building, testing, and deployment of software technologies updates to specific components of the IoT-based system in a timely manner.

5.6 Project Manager

The project manager is responsible for the overall planning, coordination, and control of the project. They need to have a strong understanding of the technology, the project goals, and the stakeholders' requirements to ensure the successful completion of the project within the specified time and budget.

5.7 UX/UI Designer

The UX/UI designer is responsible for creating the user interface and experience for the IoT system. They need to have a deep understanding of the user needs, preferences, and customer behaviors to design an intuitive and user-friendly interface that meets the project goals and requirements. To enhance the user experience, customer-facing mobile applications should be intuitive and well-designed.

5.8 QA Engineer

The QA engineer is responsible for testing the IoT system to ensure it meets the functional and performance requirements. They need to have expertise in software testing methodologies, tools, and frameworks, such as Selenium, Appium, and JUnit.

5.9 Security Specialist

Finally, the security specialist is responsible for ensuring the security of the IoT system by implementing appropriate measures to protect against cyber attacks. They need to have expertise in cybersecurity concepts, protocols, and best practices, as well as experience in designing and implementing secure IoT systems.

The most important aspect of achieving project objectives is constant team communication. To successfully develop IoT applications for mobile phones, team members must collaborate, communicate effectively, and have a thorough understanding of the technology and the project's goals.

6. Indeema’s Cases: IoT App Development

Indeema's expertise in IoT app development is unparalleled. The team has made significant strides in IoT app development with their recent successes, including the IoT solution for Smart Energy Consumption, the IoT app to maintain social distancing, and the Mobile IoT solution for Tracking Indoor Air Quality. These cases demonstrate the innovative and cutting-edge solutions Indeema can offer to its clients.

6.1 IoT Solution for Smart Energy Consumption

One of their recent cases is the IoT solution for Smart Energy Consumption - The Alice, which gives authorized users control over their oil tanks. The smart device monitors heating oil consumption, and the mobile app allows users to control energy consumption and receive notifications when they are running low. This solution helps businesses and individuals optimize energy consumption and reduce costs while also being environmentally conscious.

6.2 IoT App To Maintain Social Distancing

Another noteworthy solution developed by Indeema is the IoT app to maintain social distancing - Maggy. This app allows users to customize their Maggy to visualize how well they are keeping social distance. The product triggers signals when two or more devices are close to each other and creates a dashboard with social crossings to notify users as soon as possible when they might get infected. This solution is highly relevant in the current pandemic situation and helps keep people safe by reducing the risk of spreading infectious diseases.

6.3 Mobile IoT Solution for Tracking Indoor Air Quality

Indeema has also developed a Mobile IoT solution for Tracking Indoor Air Quality - UBox and UBreez. This solution for mobile devices is for both private and business use and uses IoT to track various environmental factors such as temperature, humidity, pressure, CO2, and VOC indoors to optimize health and productivity levels. The solution consists of the UBox device, cloud platform, and UBreez application, which offers real-time monitoring and analysis of indoor air quality. This solution is highly relevant for industries like healthcare, manufacturing, and hospitality, where air quality is essential for employee and customer health.

As the demand for IoT solutions continues to grow globally, it's crucial to find a reliable partner who is committed to innovation, quality, and developing customer experience and satisfaction. At Indeema, we're proud to showcase our expertise and versatility in IoT app development through our successful projects across various industries. 

Conclusion

To summarize, developing an IoT app necessitates a thorough understanding of the hardware components and software components involved, as well as the ability to seamlessly integrate them into a user-friendly interface. 

The process of developing IoT applications begins with defining the problem and the app's goal. Then moves on to selecting the appropriate hardware and software components, designing the user interface, and thoroughly testing the app before deployment. 

Businesses can build iot application that solve real-world problems and provide significant value to their users by following the comprehensive guide outlined in this article. With the continued advancement of IoT technology and its widespread adoption across industries, the demand for innovative IoT apps will only grow, making now an exciting time for businesses to explore this rapidly evolving field.