We Stand with Ukraine
Home / Blog / SMART on FHIR App Development: A Comprehensive Guide

SMART on FHIR App Development: A Comprehensive Guide

Paul Kovalenko Paul Kovalenko | July 9, 2024 | 13 min

The healthcare industry is in the midst of an IT revolution — driven by the need to enhance patient outcomes, increase patient engagement, and reduce costs. A major indicator of this shift is the widespread adoption of technology, with over 95% of hospitals in the USA now utilizing certified Electronic Health Record (EHR) systems. 

An essential aspect of this transformation is SMART on FHIR, which significantly improves data interoperability, security, and user experience across EHR systems and apps. This initiative facilitates better communication between healthcare providers and streamlines patient care management.
But what does SMART on FHIR stand for, and how else does it impact healthcare app development? Read on to find out.

What is FHIR, and What is Its Importance in Healthcare?

FHIR (Fast Healthcare Interoperability Resources) is a standard Health Level Seven International (HL7) developed to enable the electronic exchange of healthcare information. It specifies how data may be exchanged and used across several platforms, making it easier for healthcare practitioners to access and share patient information.

The importance of FHIR in healthcare cannot be overstated. It supports various applications, including monitoring chronic illnesses, managing care plans, and sharing information with healthcare systems, providers, caregivers, and family members. It enhances patient control over their records, allowing them to set up alerts for updates to their care plans. Patients do not need to provide their medical history when visiting a new doctor; all information is readily accessible in the database.  
As of 2022, over 66% of hospitals were already using an HL7® FHIR® API to provide patient access to data, underscoring its widespread adoption and critical role in advancing healthcare interoperability.

What is SMART, and How Does It Enhance FHIR?

As discussed, FHIR is a standardized format for exchanging healthcare data. It’s like a common language that different EHR systems can understand. Now, SMART (Substitutable Medical Applications & Reusable Technologies) is a set of specifications that allows developers to create apps that can securely access and share EHR data.  

SMART on FHIR combines these two technologies to improve healthcare apps’ interactions with EHRs.

SMART provides several enhancements to FHIR:

  • SMART on FHIR uses standardized protocols, making it easier for apps to work across different healthcare systems.
  • It allows for seamless interoperability between diverse systems, improving the flow of healthcare information.
  • Developers can build reusable apps that can be deployed on many different platforms, lowering development time and costs.
  • By enabling access to comprehensive patient data, SMART on FHIR apps can support more personalized and effective care.

The Synergy of SMART on FHIR

FHIR was designed to enable the smooth flow of health data. However, getting apps to leverage this data treasure trove was challenging. This is where SMART on FHIR comes in. It is the secure link between FHIR’s data and healthcare apps and grants authorized applications access to patient data stored in existing FHIR-enabled EHRs.

SMART also ensures a consistent user experience across all EHRs, eliminating the need for developers to create interfaces for each system. This synergy of SMART on FHIR ushers in a new era of healthcare app development, where developers can concentrate on creative features and functionality.

Advantages of SMART on FHIR for Health Apps

Let’s look at some of the key benefits of SMART on FHIR.

Enhanced Interoperability

SMART on FHIR ensures seamless integration between health apps and multiple EHR systems. This promotes a more open healthcare setting where data flows freely, allowing for a more holistic view of patient care.

Information Access

SMART simplifies how authorized applications access patient data, making retrieving and using health information easy. This enhances decision-making and patient management. On the other hand, it fosters flexible access to health data, empowering developers to create innovative healthcare apps.

Robust Security

Patient data protection is a high consideration for health applications. SMART on FHIR uses strong security protocols such as OAuth 2.0. This reduces security vulnerabilities while ensuring safe and authorized access to patient data.

Streamlined User Experience

The framework enhances health app development by ensuring a consistent user interface (UI). It integrates seamlessly with existing EHR, simplifying development and providing users with an intuitive and familiar experience.

Accelerated Development Process

SMART on FHIR reduces the time and costs associated with building healthcare apps. Development is faster and more cost-effective, as developers can reuse code and functionalities across different platforms.

Effortless EHR Integration

SMART on FHIR integration is seamless across EHR systems. It solves the typical problems with EHR integrations, enabling the creation of applications that expand and improve EHR capabilities.


It supports the development of substitutable apps. This means that outdated programs in systems can be replaced without data or performance issues.


SMART on FHIR promotes a standardized approach to healthcare app development. This fosters the creation of a wider array of secure and interoperable applications, empowering patients and providers with more choices for managing and delivering care.

Features of Developing Health Applications with SMART on FHIR

There are numerous features to expect when you develop health applications with SMART on FHIR. Here are some of them.

Integration with EHR Systems

A key feature of SMART on FHIR is the seamless integration of health apps and electronic health record (EHR) systems. This helps healthcare practitioners to have a more streamlined and efficient workflow, decreasing complexity and improving data accessibility.

Secure Data Sharing

SMART on FHIR boasts strong security features. The synergy between SMART and FHIR is intended to enable healthcare practitioners to reliably communicate information while adhering to regulatory requirements such as HIPAA.

Improved Interoperability with Various EHR/EMR Systems

Interoperability across various EHR and electronic medical record (EMR) systems is a key feature of SMART on FHIR apps. These apps provide a seamless healthcare experience.

Single Sign-on Functionality

SMART on FHIR allows a single sign-on. Users may easily switch between health applications in the same ecosystem, eliminating the need for several passwords and simplifying the user experience.

Streamlined Workflows

SMART on FHIR apps are designed to speed up workflows, eliminate the need to switch between several systems, and decrease administrative workload. This enables healthcare practitioners to provide more efficient and coordinated care, prioritizing patient attention over repetitive, tedious tasks.

Easy Integration with Other Clinical Software

Easy integration with 3rd-party clinical software is made possible thanks to the SMART on FHIR API. The result is a complete and integrated healthcare environment, which increases the usability of SMART on FHIR apps.


Apps built with SMART on FHIR are future-proof. As technology evolves, new functionality or applications can be easily integrated, delivering a flexible and adaptable healthcare ecosystem.

Cloud Services for Hosting

Applications developed on FHIR with SMART can be easily hosted on the cloud. This means scalability, high availability, and low maintenance for healthcare providers, freeing them up to concentrate on providing treatment rather than maintaining IT infrastructure.

Key Features of SMART on FHIR Apps

Here’s a closer look at the kinds of things SMART on FHIR apps can be designed to do! 

Enhanced Collaboration

Applications built using SMART on FHIR are safe platforms for sharing patient data among healthcare practitioners. Real-time access to detailed medical histories, diagnoses, and treatment plans promotes collaboration among doctors, nurses, and specialists. 

Streamlined Clinical Research

These applications play an important role in simplifying clinical studies. They make data collecting easier by allowing researchers to get patient data directly from EHRs. They also allow for the enrollment of patients based on certain demographics or medical issues, as well as real-time data collection to monitor trial progress.

Data Interpretation

SMART on FHIR apps provides powerful data analytics features for interpreting medical data from labs, imaging, medication, etc. These apps convert complicated data into easy-to-understand visuals, delivering greater insights into patient care methods and outcomes.

Chronic Disease Management

Patients with chronic diseases can take charge of their own care by using health applications developed with SMART on FHIR. They can monitor their vital signs, receive prescription reminders, access learning resources, and establish connections with online support networks. All of these promote self-management and better health outcomes. 

Improved Medication Management

SMART on FHIR apps helps patients stick to their medication schedules by offering refill reminders, identifying potential drug interactions, and tracking whether they take their medications as prescribed. This leads to better patient outcomes and lowers healthcare costs related to missed doses.

Virtual Care Platforms

These apps provide telehealth features. They deliver secure communication channels for video consultations, remote monitoring, and patient education. This improves access to care, especially in remote areas, while ensuring patient privacy.

Health Trend Analysis

Applications built using SMART on FHIR can analyze patient health data to identify trends and potential issues. This enables early detection and intervention, allowing proactive measures to prevent complications and improve patient well-being.

Disease Risk Estimation

These apps can examine medical history, genetic data, and other pertinent information to predict the chance of developing certain health issues—diabetes, cancer, and heart disease.  This information will determine the type of preventive measures to take to avoid future health concerns.

Access to Health Documentation

SMART on FHIR applications lets patients access and manage their health and vaccination records quickly. These applications enable patients to manage their health records more effectively, particularly for visa and travel needs.

Challenges in Developing SMART on FHIR Health Apps

Despite the numerous advantages of SMART on FHIR for healthcare app development, significant hurdles exist. Some of these challenges are:

Skills Gap

Developing these applications requires specialized knowledge of FHIR frameworks and healthcare. However, there aren’t enough competent developers with this kind of knowledge.

Limited EHR Support

Not all EHR vendors completely support SMART’s FHIR interface. This limits access to the testing environments and technical requirements for successful app integration.

Inadequate Resources

Building and maintaining these apps can be resource-intensive. It might be difficult for start-ups and small teams to get finance and technological infrastructure.

Data Privacy Concerns

Strict regulations like HIPAA require robust security measures to protect sensitive patient data. This adds extra complexity to app development and deployment.

Reluctance to Change

The sector is sometimes slow to implement new technology. Operators worry about how it will affect workflows and compatibility with existing systems. This may prevent SMART from being widely used on FHIR apps.

Interoperability Limitations

FHIR’s goal is standardized data communication. However, differences in data formats and procedures among EHR vendors still exist, impacting data exchange between applications and systems.

These challenges highlight the importance of teaming up with seasoned experts in this field.

Partner with us for SMART on FHIR Healthcare App Development.
Get in touch today.

SMART on FHIR App Development Process

Are you ready to get started with SMART on FHIR development? Let’s look at the steps you’ll likely take. 

Choose the Type of App

Begin with a clear goal for your healthcare app. 

  • What precise problem does it address? 
  • Who is your target audience (providers, patients, or both)?
  • What is the optimal distribution platform (mobile app, web app, or integrating with existing software)? 

Clearly defining the app’s purpose will guide the development process.

Implement Security

Security is critical when it comes to sensitive healthcare data. Implement the OAuth 2.0 and OpenID Connect protocols to guarantee that only authorized users can access patient data. 

Build the Features

It is now time to start creating the features. Depending on the app’s purpose, this might mean UI/UX design and prototyping, connecting to FHIR APIs to retrieve and analyze patient data, and implementing algorithms or data analysis services.

Test Using SMART Sandboxes

Before you release your software, make sure it is well-tested. Use SMART on FHIR or vendor-specific sandboxes to test functionality and guarantee seamless EHR data integration. This ensures that the software works as intended.

Deploy and Add to App Galleries

After successful testing, deploy your app to a production environment, following EHR vendor compatibility guidelines. To increase visibility and adoption, submit your app to relevant healthcare app galleries, making it easily discoverable by providers and patients.

Build top-notch SMART on FHIR applications with Langate.
Learn more!


While FHIR and SMART on FHIR play important roles in healthcare IT, they serve different purposes. Here’s how they differ.


FHIR establishes a universal language for healthcare data. It defines how clinical elements — drugs, diagnoses, and test results should be organized and shared. This standardization enables the smooth interchange of electronic health records (EHRs) across several systems, eliminating data silos.


SMART on FHIR extends FHIR by enabling secure app development within EHR systems. It offers several advantages over FHIR alone:

  • Secure Access and Authorization. Implements strict protocols to ensure that only approved apps can access patient data in EHRs, focusing on patient privacy and data security.
  • Streamlined UI Integration. This integration integrates multiple healthcare apps into the existing EHR interface, simplifying navigation and workflow for clinicians and eliminating the need for separate logins and interfaces.

Choosing between FHIR and SMART on FHIR depends on the developers’ goals and the healthcare app’s requirements:

  1. FHIR. Ideal for achieving interoperability and standardizing data exchange across healthcare systems, making integration and data sharing easier.
  1. SMART on FHIR. Preferable for creating secure, interoperable healthcare applications that connect smoothly with EHRs while improving user experience and data access control.

In healthcare app development, combining both standards yields the best complete solution where efficiency, interoperability, and patient-centered care are prioritized.

Successful Examples of SMART on FHIR Applications

This section looks at three successful examples of SMART on FHIR applications demonstrating the technology’s potential to change healthcare delivery.

Apple Health Records

Apple uses SMART on FHIR to link its Health App with various EHR vendors. This enables users to securely exchange their health information with doctors and other healthcare professionals at partner U.S. healthcare institutions. For example, a diabetic patient can easily readily share their blood sugar data with their doctor via the Health App, easing communication and perhaps enhancing diabetes care.

Precision Cancer Medicine Apps

SMART on FHIR powers the SMART Precision Cancer Medicine app developed by Vanderbilt-Ingram Cancer Center. This tool helps doctors by displaying patients’ specific cancer genomic information in the EHR. Based on a patient’s genetic composition, this focused approach can influence treatment decisions and lead to more tailored and successful cancer therapy.

SMART Cardiac Risk app

The SMART Cardiac Risk app, developed by Boston Children’s Hospital, uses SMART on FHIR to make cardiovascular risk assessment more accessible using the Reynolds Risk Score. The beauty lies in allowing patients to see how their cancer risk score changes based on modifiable factors, potentially motivating lifestyle changes.

How Langate Can Help You Develop a SMART on the FHIR Application

To develop a healthcare application using SMART on FHIR, you need a company with hands-on expertise and relevant certifications. Langate has it all.

With over twenty years of experience offering custom healthcare software development services, Langate brings knowledge and proven expertise to every project. Our track record includes successful SMART on FHIR integrations with Cerner, as well as equally helpful integrations with Epic and Allscripts, all leading EHR vendors. This deep familiarity allows us to build and seamlessly connect your application with popular EHR platforms, ensuring smooth data exchange and interoperability.

This expertise enables us to develop custom features that enhance your software’s functionality while ensuring that your SMART on FHIR app complies with industry standards and is optimized for performance and usability.

To expedite development, Langate offers pre-built SMART on FHIR modules. These modules facilitate integration with popular EHR vendors, reducing development time and costs.

Choose Langate for your SMART on FHIR app development and benefit from our extensive experience, industry expertise, and dedication to improving patient care through technology. 

Contact us today!


SMART on FHIR offers a transformative approach to healthcare app development. By leveraging standardized data (FHIR) and secure application integration (SMART on FHIR), developers can create innovative applications that seamlessly integrate with existing workflows. 

This fosters a more open, interoperable healthcare ecosystem, empowering providers with efficient tools and patients with greater control over their health data. As healthcare continues to evolve, SMART on FHIR stands poised to play a pivotal role in building a future of efficient, patient-centered care.

Frequently Asked Questions

What Is SMART on FHIR App Development?

SMART on FHIR app development means building healthcare apps that interface easily with EHR systems. This framework improves on the FHIR standard by incorporating secure authentication and a single interface to create interoperable apps that improve the user experience for both providers and patients.

What Is the Difference between SMART and HL7 on FHIR?

FHIR is a standardized API for health data shareability, while SMART on FHIR is an advanced way to implement FHIR. HL7, however, is the organization overseeing the development of the FHIR standard. This means that while both SMART and FHIR are standards, HL7 is not. It is the organization behind FHIR.

What Is the Difference between FHIR, SMART, and SMART on FHIR?

FHIR standardizes how data is shared between health systems. SMART standardizes how these systems and their users access the stored health data. SMART on FHIR integrates both standards. It harnesses FHIR’s capabilities with SMART’s security protocols, enabling the developers to build health apps that are interoperable and secure.

What Are the Benefits of Having SMART on FHIR Protocols for Health Information Exchange?

The primary benefit of SMART on FHIR for health information exchange is that it provides clear guidelines for app development that ensure secure interactions with various EHR systems. This promotes a connected, streamlined, and patient-centric healthcare system.

How Does SMART on FHIR Improve Healthcare Interoperability?

SMART on FHIR creates common protocols and standards that allow diverse healthcare systems and apps to connect successfully. This allows medical professionals to access information from multiple sources, boosting their understanding of patient health.

What Types of Applications Can Be Developed with SMART on FHIR?

SMART on FHIR supports various healthcare applications, including patient engagement apps, clinical decision support tools, telehealth platforms, medication management systems, chronic disease management apps, and health data analytics tools.

How Much Does It Cost to Develop a SMART on FHIR Application?

The cost of SMART on FHIR development varies based on complexity, required features, team location, and project scope. Contact us with your project details for a personalized quote.

How Can I Get Started with SMART on FHIR App Development?

To begin SMART on FHIR app development, contact us at Langate with your requirements. We’ll collaborate to establish a tailored project timeline that meets your needs.

Rate the article:

SMART on FHIR App Development: A Comprehensive Guide

5 / 5 ( 1 votes )
Build top-notch SMART on FHIR applications with Langate.
Learn more!

Latest insights

View more
10 Best Offshore Development Companies in 2024

Paul Kovalenko

In the competitive IT industry, staying ahead requires constant innovation and optimization. However, building an in-house dream team to drive …

June 27, 2024 | 14 min

We use cookies to ensure that we give you the best experience on our website. By continuing to browse this site you accept the use of cookies.
Learn about latest
compliance requirements

    How MSPs Can Choose the Right Software Development Partner