Kairo: Alarm & Sleep Tracker vs Sleep Cycle - Tracker & Sounds
Kairo: Alarm & Sleep Tracker
Eder Junior Rosa Dos Santos
App Store
$400/mo
~$4.8K/yr · 5K installs
VS
Sleep Cycle - Tracker & Sounds
Sleep Cycle AB
App Store
$246.4K/mo
~$2.96M/yr · 2.9M installs
Revenue winner
Sleep Cycle - Tracker & Sounds wins
+61488% vs other
Installs winner
Sleep Cycle - Tracker & Sounds wins
+57756% vs other
MAU winner
Sleep Cycle - Tracker & Sounds wins
+40959% vs other
Rating winner
Sleep Cycle - Tracker & Sounds wins
+13% vs other
Why Sleep Cycle - Tracker & Sounds is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Sleep Cycle - Tracker & Sounds earns roughly 616× more per month than Kairo: Alarm & Sleep Tracker - $246.4K vs $400.
- Bigger install base. Sleep Cycle - Tracker & Sounds has ~2.9M lifetime installs vs Kairo: Alarm & Sleep Tracker's ~5K - 578.6× the funnel top.
- Better app store reviews. Sleep Cycle - Tracker & Sounds sits at 4.68★ vs 4.15★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full Sleep Cycle - Tracker & Sounds report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Kairo: Alarm & Sleep Tracker
vs
Sleep Cycle - Tracker & Sounds
Monthly revenue (est.)?
$400
▶
$246.4K
Annual revenue (est.)
$4.8K
▶
$2.96M
Lifetime installs (est.)
5K
▶
2.9M
Monthly active users (est.)?
1K
▶
509K
App Store rating
4.15★
▶
4.68★
Total ratings
27
▶
26K
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
=
$9.99
IAP tiers detected
3 tiers
=
3 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- Apr 14, 2026
- Last updated
- Jun 29, 2026
- File size
- 208.2 MB
- Content rating
- 4+
- Version
- 1.0.5
- Languages
- English
- Category
- Health & Fitness
- Price
- Free
- Released
- Jul 23, 2009
- Last updated
- Jun 29, 2026
- File size
- 454.9 MB
- Content rating
- 4+
- Version
- 6.26.25
- Languages
- Dutch, English, French, German, Italian, Japanese +8 more
Kairo: Alarm & Sleep Tracker trajectory
Sleep Cycle - Tracker & Sounds trajectory
FAQ
Which makes more money, Kairo: Alarm & Sleep Tracker or Sleep Cycle - Tracker & Sounds? v
Sleep Cycle - Tracker & Sounds earns about $246.4K per month, while Kairo: Alarm & Sleep Tracker earns about $400. That is a 615.9× revenue gap (~$246.0K more per month for Sleep Cycle - Tracker & Sounds). Annual revenue: Kairo: Alarm & Sleep Tracker ≈ $4.8K/year, Sleep Cycle - Tracker & Sounds ≈ $2.96M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Kairo: Alarm & Sleep Tracker or Sleep Cycle - Tracker & Sounds? v
Sleep Cycle - Tracker & Sounds leads with about 2.9M estimated downloads vs 5K for Kairo: Alarm & Sleep Tracker - a 578.6× gap. Kairo: Alarm & Sleep Tracker's App Store downloads are estimated from 26 ratings × the standard 1:75 ratio. Sleep Cycle - Tracker & Sounds's App Store downloads are estimated from 26K ratings.
Are Kairo: Alarm & Sleep Tracker and Sleep Cycle - Tracker & Sounds 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 Kairo: Alarm & Sleep Tracker and Sleep Cycle - Tracker & Sounds offer? v
Kairo: Alarm & Sleep Tracker: IAP range 3 tiers detected. Sleep Cycle - Tracker & Sounds: IAP range 3 tiers detected. Kairo: Alarm & Sleep Tracker runs a "Subscription (~$9.99/mo)" monetization model; Sleep Cycle - Tracker & Sounds runs "Subscription (~$9.99/mo, wellness)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Kairo: Alarm & Sleep Tracker or Sleep Cycle - Tracker & Sounds? v
Sleep Cycle - Tracker & Sounds edges ahead with ★ 4.7 vs ★ 4.2 (gap of 0.5 stars). Rating volume: Kairo: Alarm & Sleep Tracker 26 ratings, Sleep Cycle - Tracker & Sounds 26K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Kairo: Alarm & Sleep Tracker vs Sleep Cycle - Tracker & Sounds revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $400 for Kairo: Alarm & Sleep Tracker and $246.4K for Sleep Cycle - Tracker & Sounds 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 Kairo: Alarm & Sleep Tracker or Sleep Cycle - Tracker & Sounds 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.