Cal AI - Calorie Tracker vs NightWell:Smart Sleep Tracker
Cal AI - Calorie Tracker
Viral Development LLC
App Store
$2.99M/mo
~$35.86M/yr · 14.1M installs
VS
NightWell:Smart Sleep Tracker
C2 INC
Google Play
$178.1K/mo
~$2.14M/yr · 2.5M installs
Revenue winner
Cal AI - Calorie Tracker wins
+1578% vs other
Installs winner
Cal AI - Calorie Tracker wins
+462% vs other
MAU winner
Cal AI - Calorie Tracker wins
+885% vs other
Rating winner
Cal AI - Calorie Tracker wins
+13% vs other
Why Cal AI - Calorie Tracker is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Cal AI - Calorie Tracker earns roughly 17× more per month than NightWell:Smart Sleep Tracker - $2.99M vs $178.1K.
- Premium pricing. Cal AI - Calorie Tracker charges $19.99/mo vs NightWell:Smart Sleep Tracker's $4.43/mo - higher ARPU per converted user.
- Bigger install base. Cal AI - Calorie Tracker has ~14.1M lifetime installs vs NightWell:Smart Sleep Tracker's ~2.5M - 5.6× the funnel top.
- More monetization surfaces. Cal AI - Calorie Tracker runs 4 IAP tiers vs 0 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full Cal AI - Calorie Tracker report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Cal AI - Calorie Tracker
vs
NightWell:Smart Sleep Tracker
Monthly revenue (est.)?
$2.99M
◀
$178.1K
Annual revenue (est.)
$35.86M
◀
$2.14M
Lifetime installs (est.)
14.1M
◀
2.5M
Monthly active users (est.)?
3.1M
◀
314K
App Store rating
4.80★
◀
4.24★
Total ratings
313K
◀
28K
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
◀
$4.43
IAP tiers detected
4 tiers
◀
0 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- Apr 8, 2024
- Last updated
- May 7, 2026
- File size
- 283.4 MB
- Content rating
- 4+
- Version
- 3.3.5
- Languages
- Arabic, AZ, Dutch, English, French, German +9 more
- Category
- Health & Fitness
- Price
- Free
- Released
- Jun 2, 2013
- Last updated
- Apr 9, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 5.3.39
- Languages
- -
Cal AI - Calorie Tracker trajectory
NightWell:Smart Sleep Tracker trajectory
FAQ
Which makes more money, Cal AI - Calorie Tracker or NightWell:Smart Sleep Tracker? v
Cal AI - Calorie Tracker earns about $2.99M per month, while NightWell:Smart Sleep Tracker earns about $178.1K. That is a 16.8× revenue gap (~$2.81M more per month for Cal AI - Calorie Tracker). Annual revenue: Cal AI - Calorie Tracker ≈ $35.86M/year, NightWell:Smart Sleep Tracker ≈ $2.14M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Cal AI - Calorie Tracker or NightWell:Smart Sleep Tracker? v
Cal AI - Calorie Tracker leads with about 14.1M estimated downloads vs 2.5M for NightWell:Smart Sleep Tracker - a 5.6× gap. Cal AI - Calorie Tracker's App Store downloads are estimated from 313K ratings × the standard 1:75 ratio. NightWell:Smart Sleep Tracker reports 1,000,000+ installs on Google Play.
Are Cal AI - Calorie Tracker and NightWell:Smart Sleep Tracker 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 Cal AI - Calorie Tracker and NightWell:Smart Sleep Tracker offer? v
Cal AI - Calorie Tracker: IAP range 4 tiers detected. NightWell:Smart Sleep Tracker: IAP range $0.49 - $39.99 per item. Cal AI - Calorie Tracker runs a "Subscription (~$19.99/mo, fitness-sub)" monetization model; NightWell:Smart Sleep Tracker runs "Subscription (~$4.43/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Cal AI - Calorie Tracker or NightWell:Smart Sleep Tracker? v
Cal AI - Calorie Tracker edges ahead with ★ 4.8 vs ★ 4.2 (gap of 0.6 stars). Rating volume: Cal AI - Calorie Tracker 313K ratings, NightWell:Smart Sleep Tracker 103 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Cal AI - Calorie Tracker vs NightWell:Smart Sleep Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $2.99M for Cal AI - Calorie Tracker and $178.1K for NightWell:Smart Sleep Tracker 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 Cal AI - Calorie Tracker or NightWell:Smart 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 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.