NightWell:Smart Sleep Tracker vs Calm - Sleep, Meditate, Relax
NightWell:Smart Sleep Tracker
株式会社C2
App Store
$66/mo
~$791/yr · 800 installs
VS
Calm - Sleep, Meditate, Relax
Calm.com, Inc.
Google Play
$2.36M/mo
~$28.35M/yr · 69.7M installs
Revenue winner
Calm - Sleep, Meditate, Relax wins
+3579992% vs other
Installs winner
Calm - Sleep, Meditate, Relax wins
+8712325% vs other
MAU winner
Calm - Sleep, Meditate, Relax wins
+1776551% vs other
Rating winner
NightWell:Smart Sleep Tracker wins
+2% vs other
Why Calm - Sleep, Meditate, Relax is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Calm - Sleep, Meditate, Relax earns roughly 35801× more per month than NightWell:Smart Sleep Tracker - $2.36M vs $66.
- Premium pricing. Calm - Sleep, Meditate, Relax charges $19.90/mo vs NightWell:Smart Sleep Tracker's $9.99/mo - higher ARPU per converted user.
- Bigger install base. Calm - Sleep, Meditate, Relax has ~69.7M lifetime installs vs NightWell:Smart Sleep Tracker's ~800 - 87124.3× the funnel top.
→ Find more apps with this revenue gap · Full Calm - Sleep, Meditate, Relax report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
vs
Monthly revenue (est.)?
$66
▶
$2.36M
Annual revenue (est.)
$791
▶
$28.35M
Lifetime installs (est.)
800
▶
69.7M
Monthly active users (est.)?
204
▶
3.6M
App Store rating
4.56★
◀
4.47★
Total ratings
16
▶
613K
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
▶
$19.90
IAP tiers detected
2 tiers
◀
0 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- May 1, 2014
- Last updated
- Jun 18, 2026
- File size
- 125.0 MB
- Content rating
- 4+
- Version
- 5.3.30
- Languages
- English, Japanese
- Category
- Health & Fitness
- Price
- Free
- Released
- Jul 30, 2014
- Last updated
- Jul 1, 2026
- File size
- -
- Content rating
- Everyone
- Version
- VARY
- Languages
- -
NightWell:Smart Sleep Tracker trajectory
Calm - Sleep, Meditate, Relax trajectory
FAQ
Which makes more money, NightWell:Smart Sleep Tracker or Calm - Sleep, Meditate, Relax? v
Calm - Sleep, Meditate, Relax earns about $2.36M per month, while NightWell:Smart Sleep Tracker earns about $66. That is a 35800.9× revenue gap (~$2.36M more per month for Calm - Sleep, Meditate, Relax). Annual revenue: NightWell:Smart Sleep Tracker ≈ $791/year, Calm - Sleep, Meditate, Relax ≈ $28.35M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, NightWell:Smart Sleep Tracker or Calm - Sleep, Meditate, Relax? v
Calm - Sleep, Meditate, Relax leads with about 69.7M estimated downloads vs 800 for NightWell:Smart Sleep Tracker - a 87124.3× gap. NightWell:Smart Sleep Tracker's App Store downloads are estimated from 16 ratings × the standard 1:75 ratio. Calm - Sleep, Meditate, Relax reports 50,000,000+ installs on Google Play.
Are NightWell:Smart Sleep Tracker and Calm - Sleep, Meditate, Relax in the same App Store category on each store 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 NightWell:Smart Sleep Tracker and Calm - Sleep, Meditate, Relax offer? v
NightWell:Smart Sleep Tracker: IAP range 2 tiers detected. Calm - Sleep, Meditate, Relax: IAP range $0.99 - $399.99 per item. NightWell:Smart Sleep Tracker runs a "Subscription (~$9.99/mo)" monetization model; Calm - Sleep, Meditate, Relax runs "Subscription (~$19.90/mo, wellness)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, NightWell:Smart Sleep Tracker or Calm - Sleep, Meditate, Relax? v
NightWell:Smart Sleep Tracker edges ahead with ★ 4.6 vs ★ 4.5 (gap of 0.1 stars). Rating volume: NightWell:Smart Sleep Tracker 16 ratings, Calm - Sleep, Meditate, Relax 64K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these NightWell:Smart Sleep Tracker vs Calm - Sleep, Meditate, Relax revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $66 for NightWell:Smart Sleep Tracker and $2.36M for Calm - Sleep, Meditate, Relax are derived from App Store grossing rank / Google Play install ranges, 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 NightWell:Smart Sleep Tracker or Calm - Sleep, Meditate, Relax to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play 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.
