Custom DTx for Mental Health
Architecture, Functionality, Costs
With 20 years of experience in medical software development, ScienceSoft engineers ISO 13485-compliant digital therapeutics solutions that are ready for FDA clearance and CE marking.
Digital Therapeutics for Mental Health: The Essence
Digital therapeutics (DTx) software for mental health relies on evidence-based interventions performed via digital tools (mobile apps, AR/VR, wearable devices) to empower patients and mental health professionals to treat mental health conditions.
Implementation time: 6 to 12+ months.
Valuable integrations for DTx software: EHR/EMR, telehealth platforms, smart devices.
Costs: $300,000–$800,000.
Mental Health DTx Market Overview
The global market of digital therapeutics for mental health is forecasted to grow at a CAGR of 28.5% from 2023 to 2028. Some of the major market drivers include the rising incidence of mental health disorders worldwide and the widespread adoption of smartphones.
Sample Architecture of a DTx Solution for Mental Health
This is a high-level architecture that can be tweaked according to the requirements of a specific project.
To streamline treatment management and progress tracking, ScienceSoft’s consultants recommend planning for DTx integrations with the following systems:
- EHR or EMR – to share the patient’s medical history with the DTx solution; to store patient-reported outcomes and symptoms.
- Connected medical devices – to track physiological markers like sleep quality, heart rate variability, and activity levels.
- Telemedicine platforms – to enable remote consultations.
Common Functionality of Mental Health DTx Solutions
Digital therapeutics
- Evidence-based interventions (exercises, games, audiovisual materials, etc.).
- Personalized treatment plans based on the user's condition, preferences, and goals.
- Adaptive content and algorithms that adjust therapy difficulty based on user performance.
- Daily habit recommendations based on user behavior.
- Educational resources (articles, videos, books).
Advanced features
Progress monitoring and analytics of outcomes
- Self-reported patient data collection (symptoms, therapy adherence, and other data gathered via in-app questionnaires).
- Automated user activity tracking (e.g., in-app user activity, exercise completion speed, patient vitals from connected devices).
- Clinical outcome reporting for single patients and patient groups.
- Clinical efficacy reporting for single exercises, methods, and long-term treatment plans.
Advanced features
User engagement mechanisms
- Therapy progress tracking and streak systems.
- In-app challenges.
- Virtual peer support groups moderated by clinicians.
- Motivational messages and reminders for patients.
Telepsychiatry (optional)
- Instant messaging and file exchange between patients and mental health professionals.
- Remote therapy sessions with the ability to complete in-app DTx exercises during the session.
- E-prescribing module.
- Session recordings and transcriptions available for review.
Security
- Multi-factor authentication (MFA).
- End-to-end data encryption.
- Role-based access control.
- Compliance with the applicable data protection regulations such as HIPAA and GDPR.
How to Build Digital Therapeutics for Mental Health
Digital therapeutics (DTx) software for mental health enables hospitals to offer personalized, evidence-based mental health interventions via digital platforms. Below is an outline of the key stages in creating a DTx product for mental health:
Conceptualization
Business analysts study the market to identify gaps in existing mental health solutions, user pain points, and emerging trends like AI-driven therapy or VR-based interventions. The results are used to define relevant functionality.
Another key step is identifying applicable regulations (e.g., HIPAA, GDPR) and establishing a compliance framework. For example, software-based interventions that are intended solely for wellness or behavioral support typically fall outside of the FDA’s regulatory scope. In contrast, prescription digital therapeutics (PDTs), due to their therapeutic claims and direct clinical applications, require FDA clearance before they can be marketed and used. Business analysts also determine non-functional requirements (e.g., performance, usability) and the necessary integrations for the software-to-be.
If you’re not aiming for FDA clearance, I recommend starting with a minimum viable product (MVP). For example, a platform that offers basic patient profiles, access to therapy modules (e.g., CBT exercises), and progress tracking would be enough to establish a foundation. Later, as user feedback is gathered, high-demand features like AI-driven personalized recommendations or wearable device integration can be added. Keep in mind that, in this case, the product’s descriptions should contain explicit statements about "not replacing clinical care."
Software design
Software architects choose between native or cross-platform mobile apps, web apps, or hybrid platforms and design a secure architecture for the DTx product.
UX designers map specific workflows for patients, therapists, and administrators. Additionally, using calming color schemes, intuitive layouts, and minimalistic designs allows for reduced cognitive load and enhanced usability.
Development and regulatory submission
The development process differs depending on the chosen regulatory clearance pathway. If you don’t plan to submit the DTx product to regulators, ScienceSoft’s consultants usually recommend iterative development to release the first shippable version as early as possible and start getting payback. Then, you can gradually evolve the product based on user feedback. Feedback can reveal in-demand features, unexpected UX issues, etc. Mind that the MVP must still comply with general data privacy and security regulations, such as HIPAA in the US or GDPR in the EU, even if it is not undergoing regulatory approval.
If you do plan to achieve FDA clearance or CE marking, it means the product can’t be released to the market before it receives the approval of the regulators. In this case, the only pre-launch feedback you can get is from clinical advisors, other non-patient participants (e.g., caregivers, healthcare providers), or controlled trials. If you plan to release new product versions after regulatory approval, they may require resubmission if the changes are significant and impact the therapeutic functionality.
For any DTx product (and especially for PDT), clinical validation in parallel with development is essential to test its therapeutic efficacy in a controlled environment. Clinical trial documentation is also a critical requirement for FDA clearance, as it provides evidence of the product's safety and measurable clinical benefits.
Deployment and post-launch support
After the release, clear guides and tutorials for patients and therapists can help reach higher adoption rates. It’s better to establish a dedicated support team to address user concerns, fix bugs, and roll out updates based on evolving clinical guidelines or user needs.
Development Costs of Custom DTx Software for Mental Health
The development costs of custom digital therapeutics software for mental health typically range from $300,000 to $800,000. This number depends on the following factors:
- Feature scope and complexity.
- Non-functional requirements (performance, security, etc.).
- Compliance requirements (e.g., FDA clearance).
- Platform (web, mobile, desktop, VR).
- Selected tech stack (e.g., native vs. cross-platform mobile development tools).
- Integrations with other systems and medical devices.
$300,000–$450,000
For a DTx solution with basic functionality, such as guided exercises, daily reminders, and basic reporting.
$450,000–$600,000
For a more complex, EHR-integrated solution featuring treatment personalization and telehealth capabilities.
$600,000–$800,000
For a solution that offers several condition-specific modules, advanced functionality (e.g., AI-powered risk assessment), and multiple integrations with healthcare systems (e.g., EHR) and medical devices.
Mental Health Software ScienceSoft Delivered
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