Mightier is a heart-rate biofeedback game platform that teaches kids ages 6-14 emotion regulation through gameplay. Developed at Boston Children's Hospital and Harvard Medical. Used by therapists as a homework adjunct for kids with anger, anxiety, and emotion regulation challenges.
Child & AdolescentVerified June 2026
Mightier
Biofeedback video games that teach kids emotion regulation.
About Mightier
What Mightier does
The features that actually matter for therapy practice.
Heart-rate biofeedback hardware
20+ games adapted to player's HR
Clinician dashboard
Parent app
Evidence-based outcomes
Honest assessment
What works and what does not, based on hands-on testing.
What works well
- Evidence-based (Harvard/BCH origins)
- Engaging for kids
- Clinician dashboard available
Where it falls short
- Hardware required
- Only ages 6-14
- Setup time per family
Alternatives
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Hazel Health
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Joon Health
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Side-by-side
Compare Mightier with another option
Mightier vs Brightline
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Teen mental health platform partnered with schools.
Read comparisonMightier vs Hazel Health
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Game-based digital therapeutic for kids with ADHD, autism, anxiety, depression.
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