IoT App Development: Tools, Platforms, and Tech Stack

13 min read

The Internet of Things (IoT) is making our everyday tasks look very different, and that’s what’s so great about IoT app development. There’s a huge range of things these apps can do—more than most people realize—which means lots of jobs can now be done by smart devices instead of us. IoT apps can help make life nicer at home too, with things like smart thermostats and health-monitoring gadgets.

From the coziness of our living rooms, where smart thermostats learn our preferences, to the smart infrastructures of whole cities filled with sensors, it is predicted that by 2025, for every regular device, there will be three that are 'smart', signaling a future where IoT leads by a 3:1 margin.

However, with great popularity comes the daunting challenge of development — as each of the incredibly diverse IoT applications requires a different set of tools, platforms, and tech stack, tailored to its distinctive characteristics and requirements.

In this blog post, we'll focus on evaluating the tools, platforms, and programming languages that are uniquely poised to meet the demands of specific IoT applications. We will also focus on primary IoT app development challenges inherent in IoT projects – from ensuring interoperability amongst a vast and diverse array of devices to the hurdles of implementing robust security measures to protect sensitive data – to equip you with a strategic framework for successful IoT implementations.

Areas with the biggest demand for IoT applications

IoT technology affects not just individuals, but society as a whole. How? Consider the idea of a smart home (or even smart cities), biometric devices, health tracking wearables, voice assistants like Siri, or intelligent vehicles like Tesla - all these IoT innovations are dramatically reshaping our lifestyle, including how we work, eat, exercise, and function as a society.

However, the potential of IoT isn't just limited to these examples. For example, the travel industry is beginning to leverage IoT benefits, while the telecom sector is already experiencing notable transformations due to IoT. Additionally, the combination of Big Data and IoT is revolutionizing numerous industries.

Here, we'll dive into some areas where IoT sparks much interest, primarily focusing on those with substantial demand and promising return on investment for development.


IoT in healthcare allows doctors to provide improved care to their patients and enables health professionals to reach out to their patients promptly or proactively, based on the data they get.

  • Monitoring Devices: Wearables that monitor personal health metrics.
  • Sleep Trackers: Devices that analyze and improve sleep patterns.
  • Glucose Monitors: Essential for continuous monitoring of blood sugar levels.
  • Medical Equipment Tracking: Real-time tracking for medical assets.
  • Smart Medication Dispensers: Automated dispensing and management of medication.

Logistics and Transportation

IoT in logistics streamlines the movement of goods and people by keeping tabs on items and vehicles, and sharing up-to-date transport information. It can also remotely manage parts of the transportation process.

  • Warehouse Management: IoT for efficient storage and retrieval systems.
  • Supply Chain Management: Enhancing visibility and control throughout the supply chain.
  • Automotive Tracking: Keeping tabs on vehicles for better fleet management.
  • Predictive Analytics: For optimizing routes and transportation efficiency.
  • Traffic Management: Smart systems to streamline city traffic flow.


IoT enhances the retail sector by elevating customer engagement and streamlining store management, leading to more efficient, satisfying, and swift shopping experiences. In physical stores, IoT bridges the gap between digital and in-store experiences, while in ecommerce, it fine-tunes the efficiency of online shopping logistics.

  • Customer Experience: Enhancing in-store experiences for consumers.
  • Retail Management: Streamlining operations through IoT tracking and inventory management.
  • Product Placement Optimization: Analyzing customer interactions for optimal shelf arrangement.
  • Inventory Management: Keeping precise track of stock levels with IoT devices.

Smart Home

The Internet of Things in the homes enables homeowners to manage home appliances from afar and even set them to operate autonomously. Essentially, IoT applications and smart devices open the door to comprehensive control over one's home and its environment, such as a garden, without requiring physical presence.

  • Energy Usage Control: Systems to monitor and manage home energy consumption.
  • Lighting and Audio Systems: Smart control of home ambiance.
  • Safety Detectors: Devices for detecting fire, smoke, and water damage.
  • Remote-Controlled Appliances: IoT-enabled controllers for home devices.
  • Garden Watering Systems: Automated systems to tend to garden needs.

What to look for when developing an IoT app

The anticipated increase in spending on IoT infrastructure to $483 billion by 2027 underscores a deep investment in the research, development, deployment, and scaling of IoT solutions across a range of industries, with healthcare, retail, and manufacturing emerging as clear leaders. According to the State of IoT 2023, by 2027, there will likely be more than 29 billion IoT connections, highlighting the sprawling network and impact of IoT technologies.

Four technologies expected to have the most profound impact on organizations.

For those looking to adopt IoT technologies, there are several priorities:

  • Adopters prioritize actionable data usage, aiming to convert IoT-generated data into measurable business benefits such as cost savings and revenue growth. This is evidenced by the value of the global IoT analytics market reaching $26 billion in 2022.
  • The integration of IoT into current systems must be smooth, augmenting existing workflows without necessitating significant infrastructural changes for seamless operational enhancement.
  • When selecting IoT vendors, adopters seek those with not only the right technological offerings but also a profound understanding of their industry's specific needs for a customized and efficient IoT approach.
  • Security is a chief concern, with a strong emphasis on implementing IoT solutions that uphold strict security protocols to safeguard data and user privacy throughout the network.
  • Regulatory compliance is a fundamental focus here. IoT adopters must ensure that their implementations align with industry-specific laws and standards from the beginning to prevent legal issues and guarantee compliant operations.
Security remains one of the top focuses of IoT for those who develop or use it.

Given these priorities, the development of IoT systems can be compared to building a colossal digital nervous system where an array of devices collects and shares data on the fly. It's unique because it's like crafting countless bridges so that different languages, cultures, and time zones mesh seamlessly. This is where the development priorities lie – in ensuring these bridges are strong, smart, and speak the same language.

Creating something this interconnected means we can't just rely on the usual tech toolkit.

  1. We need robust platforms that don’t flinch when millions of devices chatter at once,
  2.  Languages that can get the message across without dropping a single byte,
  3. And tools sharp enough to sculpt huge volumes of data into something meaningful.

The main catch here? Each IoT scenario is different. Tailoring tech to manage a home's energy use differs vastly from optimizing a factory's machine fleet. Priorities shift from waterproofing data to ensure it can weather any cyber storm, to having it zippy enough to race through a network without causing a traffic jam.

Each application of IoT, from home automation to industrial optimization, presents its own set of challenges and priorities. Therefore, the development approach must be tailored to the specific application.

The components of an IoT system

Let's get back to the essence of IoT. With IoT app development, we're essentially playing with the idea of giving everyday objects a digital voice. This isn't about turning your toaster into a chatterbox, but about allowing devices to exchange data seamlessly over the internet, automating tasks and making smarter decisions without a direct human touch. 

This is achieved through the integration of unique identifiers within objects that are connected to the internet, enabling them to communicate with each other autonomously, share data, and make decisions based on that data.

The foundation of any IoT system lies in its key components: sensors, devices, connectivity, data processing, and the user interface.

Designing and developing an IoT system, therefore, entails a holistic understanding of these components and how they work together. Also, each of these components brings its unique set of difficulties to the development process.

  • Sensors act as the system's eyes and ears, capturing various types of data from their surroundings. They are essential for collecting the raw data that will be processed and used later. Sensors must be meticulously chosen and calibrated to accurately capture the data required, considering factors like sensitivity, range, and the environment in which they will operate. Their miniaturization, cost, and power consumption also pose hurdles.

  • Devices, equipped with these sensors, are the point of operation for processing and acting on the data collected. They are the physical touchpoints that carry out the actions determined by the processed data. Carrying sensors have to be robust and reliable. They must process and act on data efficiently under various conditions without faltering. Balancing computational power with power consumption is a fine line to walk.

  • Connectivity is the glue that binds the system, enabling the transfer of data among the devices and to a centralized hub or the cloud for further analysis. Challenges with them, however, are manifold; ensuring consistent and secure communication channels across diverse environments and distances is complex. Network compatibility and bandwidth limitations add to the challenge, especially in remote or densely packed urban settings.

  • Data processing is the element that propels the system, transforming collected raw data into meaningful information that can be acted upon. This process needs to be swift and accurate. Handling voluminous data streams in real time, filtering noise from valuable information, and preventing bottlenecks in data analysis require advanced software solutions and computing resources.

  • Finally, the user interface is the gateway through which users interact with the system, get insights, monitor changes, and control the devices whenever needed. It must be intuitive yet comprehensive, offering users a seamless experience while providing them with control and insights. Ensuring compatibility across different platforms and devices further complicates UI design.

IoT app development tools

IoT development tools are software and hardware solutions specifically engineered to support the creation, development, testing, and deployment of IoT applications and devices. These tools facilitate interaction between devices, allow for data collection and analysis, and help in managing devices' connectivity to the Internet and each other.

Given the specific needs of different IoT aspects, these tools vary significantly in function and application.

Hardware and development boards

Interacting with the physical world requires hardware components such as sensors, microcontrollers, and actuators. Development boards provide a convenient starting point. They are essentially small computers that can be programmed to control or gather data from various hardware devices. Widely used options are:

  • Arduino: Known for its simplicity, making it ideal for beginners and prototypes.
  • Raspberry Pi: Offers more computational power, suitable for more complex projects or edge computing tasks.

Embedded development environments

To program these hardware components, you need an appropriate development environment. This software provides a platform for writing, testing, and debugging code that runs on your IoT devices. Some of the key tools include:

  • PlatformIO: An open-source ecosystem for IoT development, supporting a variety of boards and frameworks.
  • Keil MDK: Highly regarded in the industry, particularly for ARM-based microcontrollers.

Data processing tools

With IoT, data is king. Collecting, storing, and analyzing data from your devices is crucial. Tools that facilitate these processes can significantly enhance the efficiency and capabilities of your IoT solution. Examples include:

  • MongoDB: A NoSQL database, known for its scalability and flexibility, ideal for handling various forms of data generated by IoT devices.
  • Apache Kafka: A distributed streaming platform, perfect for processing and analyzing real-time data.

User interface design

The final piece of the puzzle is creating interfaces that users can interact with. Whether it’s a dashboard for monitoring data or an app to control IoT devices, the choice of framework significantly affects the usability and aesthetic of your project.

  • React Native: Allows for the development of native mobile apps using a shared JavaScript codebase.
  • AngularJS: A robust framework for developing dynamic web applications, suitable for creating complex, feature-rich user interfaces.

How to choose the right tools for different IoT projects?

Selecting the right tools for your IoT projects can be challenging given the plethora of options available. The trick lies in understanding your project's requirements and constraints. Start by defining the scope: what is the end goal, and what tasks will the IoT system perform? 

For lightweight tasks, simple microcontrollers like Arduino work wonders; for more data-intensive jobs, you might lean towards a Raspberry Pi. When considering an IoT platform, think about compatibility with your existing systems, scalability, and the types of analytics you'll need – Azure IoT might offer extensive features, while AWS could integrate better with your current services. Don’t overlook the development environment as well; seek one that supports the devices and languages you intend to use. Just as a tailor chooses fabric based on the outfit's design and purpose, your project's specific needs should guide the tool selection process, ensuring a perfect fit tailored to your IoT project’s objectives.

IoT app development platforms

IoT app development platforms provide an ecosystem for developers to create and manage IoT applications. Simplifying the process of IoT app development, these platforms provide services such as device management, data ingestion, analytics, visualization, and integration capabilities. 

The surge in IoT platforms and developer tools, including well-known names like AWS IoT Core, Azure IoT Hub, Google Cloud IoT, and IBM Watson IoT, has significantly broadened the horizons for IoT developers. Notably, around 65% of IoT applications are developed utilizing these platforms, underscoring their pivotal importance in the IoT development landscape.

Amazon Web Services (AWS) IoT Core

AWS IoT Core excels at supporting a vast array of devices, and it particularly stands out for scalability and robust security measures. Its integration capabilities and powerful analytics make it a good fit for large-scale projects that require processing large volumes of data. Examples typically include smart cities or enterprise-level IoT implementations.

Microsoft Azure IoT Hub

Azure IoT Hub is renowned for its seamless integration with other Microsoft services and products. It's an excellent choice for organizations deeply embedded in the Microsoft ecosystem, as it additionally provides robust cloud services, machine learning, and advanced analytics capabilities. Azure IoT Hub is suitable for businesses upscaling their conventional IT system to a modern IoT infrastructure.

Google Cloud IoT Core

Google Cloud IoT shines with its state-of-the-art data analytics and machine learning capabilities. It's ideal for IoT applications that require rich, real-time insights or those focusing on AI-driven processes. Notably in-demand for applications like predictive maintenance or smart healthcare solutions.

IBM Watson IoT Platform

The IBM Watson IoT Platform thrives on its AI and machine learning capabilities. With its rich set of tools for intelligent data processing and analytics, it's perfect for industries looking for complex analytical solutions, such as manufacturing for predictive maintenance or retail for strategic business decisions.

PTC ThingWorx

ThingWorx blends IoT and augmented reality (AR) capabilities. Its comprehensive industrial IoT solutions offer speedy development and deployment, making it ideal for industrial applications such as factory automation and connected products.

IoT programming languages

The choice of a programming language in IoT development depends greatly on the specific requirements of the project, including hardware limitations, development speed, scalability needs, and target platform. Often, a combination of these languages is used to leverage each one’s strengths, ensuring that the IoT system is not only functional but also efficient and scalable.

The most common programming languages for IoT development include Java, C, JavaScript, and Python. Each language offers unique advantages in the IoT space.

1. C/C++

Strengths: C and C++ remain the gold standard for programming microcontrollers and embedded systems due to their efficiency and low-level access to hardware resources. This allows for precise control over system performance and resource utilization, crucial for devices with limited processing power and memory.

Best For: Firmware programming, resource-constrained devices, and real-time operating systems (RTOS).

2. Python

Strengths: Python's simplicity and readability make it ideal for rapid prototyping and complex data processing tasks. With a vast ecosystem of libraries (e.g., for machine learning or data analytics), Python accelerates the backend development process for IoT systems and can also be found in some embedded systems programming.

Best For: Server-side applications, data analysis, and machine learning in IoT.

3. Java

Strengths: Java’s platform independence makes it a versatile choice for IoT, allowing code written on one platform to run on another without modification (Write Once, Run Anywhere - WORA). This is particularly valuable in IoT networks that consist of a wide variety of devices and operating systems.

Best For: Cross-platform applications, Android smartphone apps interfacing with IoT devices.

4. JavaScript/Node.js

Strengths: JavaScript, particularly when coupled with Node.js for server-side development, is excellent for real-time data-intensive applications that run across distributed devices. Its non-blocking, event-driven architecture fits well with the asynchronous nature of IoT operations.

Best For: Web development for IoT, real-time IoT data processing.

5. Go

Strengths: Developed by Google, Go (or Golang) is notable for its system-level access akin to C/C++, but with memory safety and garbage collection, making it easier to manage memory leaks. Its strong concurrency model is great for IoT applications that require handling multiple processes simultaneously.

Best For: Networked devices, concurrent tasks, and high-performance backend systems.

6. Rust

Strengths: Rust offers memory safety features without a garbage collector, aiming to provide the performance of C++ but with enhanced safety. It's becoming increasingly popular for systems programming in scenarios where reliability and efficiency are paramount.

Best For: Safe, concurrent system-level programming in IoT devices.

7. Swift

Strengths: If you're developing IoT applications that integrate with Apple's ecosystem, Swift is the go-to language. Its clean syntax and performance optimization make it suitable for creating fast and secure iOS applications.

Best For: iOS application development for IoT ecosystems.

Challenges of IoT development

IoT development, while presenting vast opportunities for innovation and efficiency, comes with its own set of challenges. Among the most common challenges are security vulnerabilities, interoperability issues, and scalability concerns. Addressing these challenges is crucial for the successful implementation and operation of IoT systems.

1. Security and privacy

Given the extensive data IoT devices collect, transmit, and store, security is a paramount concern. The more devices connected, the more potential vulnerabilities exist, making IoT networks attractive targets for cyberattacks. Ensuring data integrity and protecting user privacy require sophisticated encryption techniques, secure authentication methods, and comprehensive data governance policies.

In 2021 there were 1.5 billion cyberattacks focused on IoT devices.

2. Interoperability

With myriad manufacturers producing IoT devices, a lack of standardization often leads to interoperability issues. Devices and systems may not be able to communicate effectively, hindering the seamless exchange of data. Developing universal standards or utilizing platforms that support various protocols is essential to overcome these challenges.

3. Scalability

As IoT networks grow, ensuring that systems can scale effectively becomes a challenge. Systems must handle the increasing amount of data traffic without compromising performance or reliability. Scalability considerations include data storage, processing capabilities, and network infrastructure.

4. Data management

IoT devices generate vast amounts of data, necessitating effective management strategies. Challenges include data collection, storage, analysis, and visualization. Employing robust data analytics tools and technologies is vital to derive meaningful insights from the data and support decision-making processes.

5. Power management

Many IoT devices operate in remote or hard-to-reach locations, requiring efficient power usage and management. Ensuring devices have a long battery life or developing alternative power sources, such as energy harvesting technologies, is crucial for maintaining continuous operation without frequent maintenance.

6. Connectivity

Ensuring consistent and reliable connectivity for IoT devices, especially in remote areas or environments with physical obstructions, is a challenge. Technologies such as 5G, Wi-Fi, LoRaWAN, and others offer various options, but the choice depends on the specific requirements regarding range, bandwidth, power consumption, and cost.

7. Regulatory compliance

IoT devices and applications must comply with a range of regulations that vary by country and industry. These may include standards for safety, data protection, and environmental impact. Navigating these regulations and ensuring compliance can be complex and resource-intensive.

8. User adoption

Despite the technical capabilities of IoT systems, user adoption can be hindered by concerns over privacy, ease of use, and perceived value. Creating intuitive, user-friendly interfaces and clearly communicating the benefits of IoT solutions is crucial to fostering adoption.

How ElifTech can help you with IoT app development

The intricacies of IoT app development require a comprehensive analytical approach due to the convergence of diverse technologies and protocols. ElifTech specializes in orchestrating this complexity into cohesive systems that function seamlessly across hardware and software boundaries. Our expertise encompasses not just the integration of components, but also ensuring their interoperability while maintaining the highest standards of data security.

To tackle the multifaceted challenges of IoT, proficiency in engineering and a thorough grasp of IoT frameworks are essential. ElifTech's technology stack, with languages like Python, Java, and Ruby, and platforms like AWS IoT, Microsoft Azure IoT, and Google Cloud IoT, ensures that they can tailor IoT solutions to a vast range of needs and requirements.

We offer the comprehensive support necessary to evolve your business through IoT innovation. For those seeking a strategic partner in IoT development, consider reaching out to discuss how ElifTech can bring your IoT ambitions to reality.

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