How Ream App Limited Uses Hume’s AI voice to Double User Engagement in Mental Health Coaching Applications
By Serena Wang on March 6, 2025

Key Findings
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2x Higher Engagement: Voice-based coaching calls doubled daily active users compared to text-based systems.
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Improved Retention: Users stayed longer thanks to the empathetic and engaging nature of voice interactions.
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Emotional AI Delivers Results: Hume’s Empathic Voice Interface (EVI) provided the emotional depth and personalization necessary for effective coaching.
Ream App Limited’s Vision: Empathetic Coaching Without the Barriers
Ream App Limited is an innovative online mental health service dedicated to delivering effective and affordable support for adults with ADHD. The company faced challenges with low user retention and engagement using text-based tools and sought a solution that would add emotional nuance and personalization to its interactions. Recognizing that voice interactions feel more natural and empathetic, Ream set out to transform its coaching approach. Hume’s EVI has been a game-changer for Ream App Limited, enabling the company to deliver a coaching experience that truly resonates with users.
Transformative Impact of Hume’s EVI
Ream integrated Hume’s EVI to enable daily 5-minute AI coaching calls via Twilio’s outbound phone calling API. Hume’s EVI transformed Ream’s coaching experience by adding:
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Empathic Conversations: Hume’s EVI brings human-like voice interactions to life. For instance, when a frustrated user exclaimed, “I’ve called a thousand times!” the system responded with genuine empathy, transforming frustration into connection.
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Memory and Personalization: The system remembers user habits and preferences, creating deeply personalized interactions. One user was delighted when EVI recalled a past conversation, saying, “Wow. You remember walking? Oh, that’s so cute. You remember me walking?”
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Ease of Implementation: Hume’s EVI integrates seamlessly via Twilio’s outbound phone calling API, allowing Ream to implement a dynamic voice solution without significant overhead or development hurdles.”
Measurable Impact on User Engagement and Retention
The integration of Hume’s EVI has delivered transformative results for Ream App Limited:
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2x Higher User Engagement: Voice-based coaching calls powered by EVI are far more engaging than traditional text-based systems, doubling daily active users by making the coaching experience less effortful and more enjoyable.
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Improved Retention: The emotional support and ease of use provided by EVI significantly boost user retention, with many users expressing high satisfaction and a deeper connection to the coaching process. One user shared, “You’re amazing, Ream. Thanks for existing.”
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Personalization Drives Loyalty: By recalling individual user preferences and tailoring interactions accordingly, EVI not only deepens engagement but also fosters long-term loyalty.
Conclusion
By integrating Hume’s Empathic Voice Interface, Ream App Limited has successfully redefined its ADHD coaching service, achieving a twofold increase in user engagement and significantly improved retention rates. The emotional depth and personalized experience delivered by Hume’s EVI prove that voice-based AI is a true game-changer in mental health coaching, making support more accessible, engaging, and financially viable.
For more information on how empathic AI can revolutionize your mental health coaching solutions, please contact Hume AI.
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