Big Health vs Kaia Health
Side-by-side comparison of AI visibility scores, market position, and capabilities
$23.7M round in Feb 2026 led by .406 Ventures and AlleyCorp with CVS Health Ventures. Makers of Sleepio and Daylight — sleep and mental health DTx.
About
Big Health is a pioneer of prescription digital therapeutics for mental health and sleep. Its flagship products — Sleepio (insomnia) and Daylight (anxiety) — are both cognitive behavioral therapy (CBT) programs delivered as software, with randomized controlled trial evidence of clinical efficacy.
Kaia Health delivers AI-guided digital physical therapy for musculoskeletal pain via smartphone, using motion tracking to coach patients through personalized exercise programs.
About
Kaia Health's digital therapeutics app uses a smartphone camera and computer vision to track patient movement in real time, providing guided exercise therapy for back pain, hip pain, and COPD without requiring wearable sensors or in-person physical therapy visits. The AI coach analyzes posture and movement quality, providing real-time feedback and adjusting program difficulty as patients improve — replicating key elements of supervised PT in an app-based, self-directed format.
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