Option A
Calm
Health
The #1 app for meditation and sleep.
Calm offers meditations, sleep stories, music, and mindfulness sessions for daily mental wellness.
- Founder
- Michael Acton Smith
- Founded
- 2012
- Team
- 500+
- Listing
- Free (nofollow)
- Listed
- May 2026
Compare
Calm vs Function Health
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
Function Health
Health
100+ lab tests, twice a year.
Function offers comprehensive annual lab testing and clinician-led insights — turning your blood work into an actionable longevity plan.
- Founder
- Jonathan Swerdlin
- Founded
- 2020
- Team
- 51-200
- Listing
- Free (nofollow)
- Listed
- May 2026