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 Oura
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
Oura
Health
The ring that gives you health insights.
Oura's smart ring tracks sleep, heart rate variability, temperature, and activity — surfacing actionable health and recovery insights.
- Founder
- Petteri Lahtela
- Founded
- 2013
- Team
- 500+
- Listing
- Free (nofollow)
- Listed
- May 2026