HeartMath Institute is a 501(c)(3) nonprofit organization and has developed reliable, scientifically validated tools since 1991 to help people reduce and avoid stress while experiencing increased peace, satisfaction and enjoyment. Research
We inspect public signals such as HTTPS, the web app manifest, icons and install behaviour. The trust level shows how far that check went. It is useful evidence, not a guarantee or endorsement by the app owner.
Current trust level
L2
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