Healthcare is part of our everyday lives, whether it’s taking medication, going for a run, or tracking sleep. But as digital health options grow, many people still aren’t familiar with one of the most exciting innovations in this space: Digital Therapeutics (DTx). So, what exactly are Digital Therapeutics (DTx)? Dtx can be described as digital tools designed to prevent, manage, or even treat medical conditions. Unlike wellness apps, DTx solutions are approved by medical authorities and often prescribed by healthcare professionals. They can help with everything from managing diabetes to supporting mental health, right from your phone! And the potential? Huge. The DTx market is expected to grow from $4.4 billion in 2022 to $30 billion by 2030, signalling a major shift in how care is delivered. But here’s the catch: while success stories like Rejoyn by Otsuka, an FDA-approved therapeutic for major depressive disorder, make headlines, many apps fail to gain traction. Why do so many fall short? At HRW Digital, we believe success goes beyond technology. It depends on human-centred design, real-life integration, and trust. Together with HRW Shift, our behavioural science team, we’ve identified five critical DTx success factors that determine whether a DTx product thrives or fails. We all know the apps we use aren’t human, but we still want them to feel human, not cold or overly clinical. If a platform feels detached, users won’t stick around. As humans, we are sensitive to like politeness and trust, and these also apply to DTx interactions. People living with challenging conditions are especially attuned to cues that signal honesty and empathy. 1. Humanness How should this be integrated into DTx? -Language is KEY: wording should be digestible and easy to understand to make it feel like talking to a friend. -User experience matters: the user interface and user experience should feel warm and friendly, rather than clinical. -Personalisation: each interaction should feel like it understands the user’s personal experiences, not just their data Example: Virta Health combines technology with real human support. Their type 2 diabetes platforms doesn’t just provide automated recommendations, it connects users with real health coaches and clinicians. Takeaway: Humanness builds trust. A DTx that feels empathetic and approachable makes users feel valued. Health is human, and design should reflect that. 2. Goal Orientation & Motivation When we talk about goal orientation, we mean giving users a clear sense of progress and purpose. Plenty of apps sit on our phones collecting digital dust because there’s no motivation to use them. Goal setting gives users a sense of progress and purpose, turning vague intentions into concrete actions. This is one of the most important DTx success factors because motivation drives engagement. How can motivation be integrated into DTx? -Visible and attainable goals: small wins matter and lead to monumental changes. -Positive reinforcement and gamification: gamification means adding game-like elements such as points, badges, engaging notifications, incentives or streaks to make progress fun and rewarding -Personalise goals: user should feel their goals are relevant and meaningful to them Example: Strava (not a DTx, but a great example) uses personalised challenges, badges, and social encouragement to keep users engaged. For DTx, the same principle applies, whether tracking medication adherence or celebrating healthy habits, users need to feel that sense of achievement. Takeaway: Motivation drives engagement. A DTx that helps users set realistic, personalised goals creates a sense of purpose and that’s what keeps them coming back. 3. Ease of Use Even the smartest product will fail if it’s hard to use or feels ‘clunky’. If users feel lost or frustrated, they’ll disengage. As humans, we have limited attention spans and are bound by the principles of cognitive load, whereby we often take the ‘easy way out’ and disengage with anything that requires too much mental effort. This applies to DTx as people disengage if it is difficult to navigate or glitchy. How can ease be integrated into DTx? -Clear onboarding: prioritise users understanding the value and how to get started -Simple and intuitive navigation: avoid unnecessary steps or jargon -Quick interactions: users should be able to complete tasks in minutes, not feel like they’re committing to something too lengthy Example: is a great example of ease of use done well. It guides users through setup with simple instructions and visuals. Daily check-ins take only a few minutes, making it easy to integrate into life. Takeaway: A DTx that feels intuitive and effortless will keep users engaged, while a clunky experience will send them elsewhere. 4. Lifestyle Integration Health habits must fit into real life. We’re all busy, and life moves fast, so if a DTx feels like an extra task, it won’t last. Logistical friction refers to practical obstacles that make engagement harder. Overloading users with tasks to complete or asking for significant change to routine creates this friction, and friction kills engagement. How should this be integrated into DTx? -Micro-moments: Interactions that fit into daily routines without feeling burdensome -Enable integration: Allow for seamless integration with existing tools like calendars, wearables, or voice assistants to reduce effort -Customisable interactions: Allow users to decide on frequency and times of interactions that suit them Example: Apps that sync with Google Assistant outperform standalone platforms because they fit into existing habits. Instead of creating a new routine, they piggyback on existing ones, making engagement feel effortless. Takeaway: Lifestyle integration is about making health support feel natural. A DTx that fits seamlessly into daily life will be on the path to thrive. 5. Data Privacy & Security Now for the part that isn’t the most glamorous but is absolutely necessary: data privacy and security. In healthcare, this isn’t just a checkbox; it’s the foundation of trust. Users need confidence that their data is safe and never misused. Among all DTx success factors, this one is non-negotiable. How can security be integrated into DTx? -Clear communication:Explain how data is stored, encrypted, and used in plain, simple language. -Visible security features:Show steps like two-factor authentication or secure cloud storage so users feel protected. -Human support: Offer easy access to a real representative within the platform for privacy questions, creating a sense of safety and trust Example: Apple Health sets a strong standard by clearly explains privacy settings and gives users control over data sharing, building trust and confidence. Takeaway: Security isn’t optional; it’s critical. A DTx that makes users feel safe and informed earns their trust. Conclusion Digital therapeutics have incredible potential to transform healthcare, but success isn’t just about smart technology. It’s about creating solutions that: -Feel human -Keep users motivated -Are easy to use -Fit seamlessly into daily life -Earn trust through strong privacy and security When these five DTx success factors come together, DTx products don’t just exist, they thrive, making a real difference in people’s lives. Want to learn more about designing impactful digital health experiences? Contact HRW to explore how behavioural insights can shape your next DTx innovation. For behavioural science lovers, check out our webinar: By Lauryn Johnson, Alicia Henderson and Tony Jiang Apply Now!