Cal AI - Calorie Tracker vs HeartWatch: Heart Rate Monitor
Cal AI - Calorie Tracker
Viral Development LLC
App Store
$4.17M/mo
~$50.00M/yr · 15.1M installs
VS
HeartWatch: Heart Rate Monitor
Tantsissa
App Store
$358.7K/mo
~$4.30M/yr · 1.5M installs
Revenue winner
Cal AI - Calorie Tracker wins
+1062% vs other
Installs winner
Cal AI - Calorie Tracker wins
+907% vs other
MAU winner
Cal AI - Calorie Tracker wins
+755% vs other
Rating winner
Cal AI - Calorie Tracker wins
+3% vs other
Why Cal AI - Calorie Tracker is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Cal AI - Calorie Tracker earns roughly 12× more per month than HeartWatch: Heart Rate Monitor - $4.17M vs $358.7K.
- Subscription model. Cal AI - Calorie Tracker runs a $12.00/mo subscription that compounds; HeartWatch: Heart Rate Monitor relies on one-shot IAP or ads.
- Bigger install base. Cal AI - Calorie Tracker has ~15.1M lifetime installs vs HeartWatch: Heart Rate Monitor's ~1.5M - 10.1× the funnel top.
→ 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
HeartWatch: Heart Rate Monitor
Monthly revenue (est.)?
$4.17M
◀
$358.7K
Annual revenue (est.)
$50.00M
◀
$4.30M
Lifetime installs (est.)
15.1M
◀
1.5M
Monthly active users (est.)?
3.3M
◀
386K
App Store rating
4.80★
◀
4.68★
Total ratings
335K
◀
14K
US grossing rank
-
=
-
Cheapest monthly sub
$12.00
◀
No sub
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- Apr 8, 2024
- Last updated
- Jun 24, 2026
- File size
- 306.0 MB
- Content rating
- 4+
- Version
- 26.25.0
- Languages
- Arabic, AZ, Dutch, English, French, German +9 more
- Category
- Health & Fitness
- Price
- USD8.99
- Released
- Dec 7, 2015
- Last updated
- Oct 21, 2025
- File size
- 73.0 MB
- Content rating
- 4+
- Version
- 4.9
- Languages
- Dutch, English, French, German, Italian, Japanese +7 more
Cal AI - Calorie Tracker trajectory
HeartWatch: Heart Rate Monitor trajectory
FAQ
Which makes more money, Cal AI - Calorie Tracker or HeartWatch: Heart Rate Monitor? v
Cal AI - Calorie Tracker earns about $4.17M per month, while HeartWatch: Heart Rate Monitor earns about $358.7K. That is a 11.6× revenue gap (~$3.81M more per month for Cal AI - Calorie Tracker). Annual revenue: Cal AI - Calorie Tracker ≈ $50.00M/year, HeartWatch: Heart Rate Monitor ≈ $4.30M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Cal AI - Calorie Tracker or HeartWatch: Heart Rate Monitor? v
Cal AI - Calorie Tracker leads with about 15.1M estimated downloads vs 1.5M for HeartWatch: Heart Rate Monitor - a 10.1× gap. Cal AI - Calorie Tracker's App Store downloads are estimated from 335K ratings × the standard 1:75 ratio. HeartWatch: Heart Rate Monitor's App Store downloads are estimated from 14K ratings.
Are Cal AI - Calorie Tracker and HeartWatch: Heart Rate Monitor 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.
Do Cal AI - Calorie Tracker and HeartWatch: Heart Rate Monitor have in-app purchases? v
Cal AI - Calorie Tracker does not appear to offer in-app purchases on its public listing. HeartWatch: Heart Rate Monitor does not appear to offer in-app purchases. Monetization model: Cal AI - Calorie Tracker runs "Subscription (~$12.00/mo, fitness-sub)", HeartWatch: Heart Rate Monitor runs "Paid app ($8.99)".
Which has better ratings, Cal AI - Calorie Tracker or HeartWatch: Heart Rate Monitor? v
Cal AI - Calorie Tracker edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.1 stars). Rating volume: Cal AI - Calorie Tracker 335K ratings, HeartWatch: Heart Rate Monitor 14K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Cal AI - Calorie Tracker vs HeartWatch: Heart Rate Monitor revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $4.17M for Cal AI - Calorie Tracker and $358.7K for HeartWatch: Heart Rate Monitor 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 Cal AI - Calorie Tracker or HeartWatch: Heart Rate Monitor 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.