Fitbit: Health & Fitness vs Kairo: Alarm & Sleep Tracker
Fitbit: Health & Fitness
Google
App Store
$2.71M/mo
~$32.51M/yr · 98.8M installs
VS
Kairo: Alarm & Sleep Tracker
Eder Junior Rosa Dos Santos
App Store
$219/mo
~$2.6K/yr · 3K installs
Revenue winner
Fitbit: Health & Fitness wins
+1237090% vs other
Installs winner
Fitbit: Health & Fitness wins
+3293200% vs other
MAU winner
Fitbit: Health & Fitness wins
+1842407% vs other
Rating winner
Fitbit: Health & Fitness wins
+51% vs other
Why Fitbit: Health & Fitness is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Fitbit: Health & Fitness earns roughly 12372× more per month than Kairo: Alarm & Sleep Tracker - $2.71M vs $219.
- Bigger install base. Fitbit: Health & Fitness has ~98.8M lifetime installs vs Kairo: Alarm & Sleep Tracker's ~3K - 32933.0× the funnel top.
- Better app store reviews. Fitbit: Health & Fitness sits at 4.53★ vs 3.00★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full Fitbit: Health & Fitness report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Fitbit: Health & Fitness
vs
Kairo: Alarm & Sleep Tracker
Monthly revenue (est.)?
$2.71M
◀
$219
Annual revenue (est.)
$32.51M
◀
$2.6K
Lifetime installs (est.)
98.8M
◀
3K
Monthly active users (est.)?
12.5M
◀
681
App Store rating
4.53★
◀
3.00★
Total ratings
659K
◀
2
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
=
$9.99
IAP tiers detected
2 tiers
=
2 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- Oct 18, 2011
- Last updated
- May 7, 2026
- File size
- 450.2 MB
- Content rating
- 4+
- Version
- 4.69
- Languages
- Czech, Danish, Dutch, English, ET, Finnish +22 more
- Category
- Health & Fitness
- Price
- Free
- Released
- Apr 14, 2026
- Last updated
- Apr 20, 2026
- File size
- 85.4 MB
- Content rating
- 4+
- Version
- 1.0.1
- Languages
- English
Fitbit: Health & Fitness trajectory
Kairo: Alarm & Sleep Tracker trajectory
FAQ
Which makes more money, Fitbit: Health & Fitness or Kairo: Alarm & Sleep Tracker? v
Fitbit: Health & Fitness earns about $2.71M per month, while Kairo: Alarm & Sleep Tracker earns about $219. That is a 12371.9× revenue gap (~$2.71M more per month for Fitbit: Health & Fitness). Annual revenue: Fitbit: Health & Fitness ≈ $32.51M/year, Kairo: Alarm & Sleep Tracker ≈ $2.6K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Fitbit: Health & Fitness or Kairo: Alarm & Sleep Tracker? v
Fitbit: Health & Fitness leads with about 98.8M estimated downloads vs 3K for Kairo: Alarm & Sleep Tracker - a 32933.0× gap. Fitbit: Health & Fitness's App Store downloads are estimated from 659K ratings × the standard 1:75 ratio. Kairo: Alarm & Sleep Tracker's App Store downloads are estimated from 2 ratings.
Are Fitbit: Health & Fitness and Kairo: Alarm & Sleep Tracker in the same App Store category and competing for the same money? v
Yes - both apps sit in the Health & Fitness category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
What in-app purchases and subscription pricing do Fitbit: Health & Fitness and Kairo: Alarm & Sleep Tracker offer? v
Fitbit: Health & Fitness: IAP range 2 tiers detected. Kairo: Alarm & Sleep Tracker: IAP range 2 tiers detected. Fitbit: Health & Fitness runs a "Subscription (~$6.67/mo)" monetization model; Kairo: Alarm & Sleep Tracker runs "Subscription (~$9.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Fitbit: Health & Fitness or Kairo: Alarm & Sleep Tracker? v
Fitbit: Health & Fitness edges ahead with ★ 4.5 vs ★ 3.0 (gap of 1.5 stars). Rating volume: Fitbit: Health & Fitness 659K ratings, Kairo: Alarm & Sleep Tracker 2 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Fitbit: Health & Fitness vs Kairo: Alarm & Sleep Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $2.71M for Fitbit: Health & Fitness and $219 for Kairo: Alarm & Sleep Tracker are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Health & Fitness) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare Fitbit: Health & Fitness or Kairo: Alarm & Sleep Tracker to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.