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 Lumen
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
Lumen
Health
The world's first hand-held metabolism tracker.
Lumen is a breath-analysis device that reveals whether your body is burning carbs or fat — and tailors nutrition guidance accordingly.
- Founder
- Daniel Tal
- Founded
- 2014
- Team
- 51-200
- Listing
- Free (nofollow)
- Listed
- May 2026