Calm
The #1 App for Meditation, Sleep, and Relaxation.
735 employees · est. 2012 · San Francisco, United States
Nox Health is the older company (2012 vs 2007); Calm is the larger of the two.
Side-by-Side Comparison
| Metric | Calm | Nox Health |
|---|---|---|
| Founded | ||
| Founded | 2012 | 2007 older |
| Headquarters | ||
| Headquarters | San Francisco, United States | Atlanta, United States |
| Employees | ||
| Employees | 735 larger | 184 |
| Industry | ||
| Industry | Health and Wellness, Sports | Digital Health, Health Care, Medical Devices |
| Funding Stage | ||
| Funding Stage | Series C | Private Equity |
| Total Funding | ||
| Total Funding | $221.60M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 8 | 1 |
| Services | ||
| Services | guided meditation, sleep stories, relaxation music, soundscapes, breathing exercises, mindfulness practices | Not tracked yet |
| Target Customers | ||
| Target Customers | individuals experiencing stress and anxiety, people with sleep difficulties, parents, organizations seeking employee wellness, mental health app users, families | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Meditation, Sleep Solutions, Relaxation, Digital Mental Health, Mindfulness, HealthTech, Employee Wellness, Digital Therapeutics, Celebrity Voices, Stress Management, Mental Health Awareness, Personalized Health Solutions, Corporate Wellness Programs, Health And Wellness Apps, Global Health Expansion | Sleep Diagnostics, Value-based Care, Chronic Conditions, Diagnostic Devices, Global Healthcare, Telehealth, Sleep Management, Health Technology, Employee Health, Sleep Solutions, Outcomes Measurement, Sleep App, Atlanta, Reykjavík, Denver |
| Website | ||
| Website | calm.com | noxhealth.com |
About Calm
Calm, the #1 App for Meditation, Sleep, and Relaxation, stands out as a prominent player in the mental health industry. Co-founded in 2012 by Alex Tew and Michael Acton Smith, the company is headquartered in the United States and has gained substantial traction in health and wellness industries, as...
About Nox Health
Nox Health: Nox Health, with its slogan "Wake up to a brighter world," is a leading global player in sleep diagnostics and value-based care. Founded in 2006, the company is headquartered in Atlanta, Georgia, with operations in Reykjavík, Iceland, and Denver, Colorado. Nox Health's mission is to enh...
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BounceWatch watches Calm and Nox Health for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Calm and Nox Health — by email.
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Compiled from the BounceWatch company index. We last looked at Calm on 12 Jun 2026, and Nox Health on 11 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.