HeartWatch: Heart Rate Monitor vs Cal AI - Food Calorie Tracker

HeartWatch: Heart Rate Monitor

Tantsissa
App Store
$358.2K/mo
~$4.30M/yr · 1.5M installs
VS

Cal AI - Food Calorie Tracker

Improvement Tech LLC
Google Play
$415.8K/mo
~$4.99M/yr · 4.0M installs
Revenue winner Cal AI - Food Calorie Tracker wins +16% vs other
Installs winner Cal AI - Food Calorie Tracker wins +167% vs other
MAU winner Cal AI - Food Calorie Tracker wins +49% vs other
Rating winner HeartWatch: Heart Rate Monitor wins +1% vs other

Why Cal AI - Food Calorie Tracker is winning

Top 2 reasons - backed by the public App Store / Play Store numbers.

  1. Subscription model. Cal AI - Food Calorie Tracker runs a $24.48/mo subscription that compounds; HeartWatch: Heart Rate Monitor relies on one-shot IAP or ads.
  2. Bigger install base. Cal AI - Food Calorie Tracker has ~4.0M lifetime installs vs HeartWatch: Heart Rate Monitor's ~1.5M - 2.7× the funnel top.

Find more apps with this revenue gap · Full Cal AI - Food Calorie Tracker report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

HeartWatch: Heart Rate Monitor
vs
Cal AI - Food Calorie Tracker
Monthly revenue (est.)?
$358.2K
$415.8K
Annual revenue (est.)
$4.30M
$4.99M
Lifetime installs (est.)
1.5M
4.0M
Monthly active users (est.)?
385K
574K
App Store rating
4.68★
4.64★
Total ratings
14K
264K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
$24.48
IAP tiers detected
0 tiers
=
0 tiers

HeartWatch: Heart Rate Monitor

Tantsissa
App Store
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
View full HeartWatch: Heart Rate Monitor report →

Cal AI - Food Calorie Tracker

Improvement Tech LLC
Google Play
Category
Health & Fitness
Price
Free
Released
Jul 29, 2024
Last updated
May 5, 2026
File size
-
Content rating
Everyone
Version
1.0.231
Languages
-
View full Cal AI - Food Calorie Tracker report →

HeartWatch: Heart Rate Monitor trajectory

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Cal AI - Food Calorie Tracker trajectory

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FAQ

Which makes more money, HeartWatch: Heart Rate Monitor or Cal AI - Food Calorie Tracker? v
Cal AI - Food Calorie Tracker earns about $415.8K per month, while HeartWatch: Heart Rate Monitor earns about $358.2K. That is a 1.2× revenue gap (~$57.6K more per month for Cal AI - Food Calorie Tracker). Annual revenue: HeartWatch: Heart Rate Monitor ≈ $4.30M/year, Cal AI - Food Calorie Tracker ≈ $4.99M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, HeartWatch: Heart Rate Monitor or Cal AI - Food Calorie Tracker? v
Cal AI - Food Calorie Tracker leads with about 4.0M estimated downloads vs 1.5M for HeartWatch: Heart Rate Monitor - a 2.7× gap. HeartWatch: Heart Rate Monitor's App Store downloads are estimated from 14K ratings × the standard 1:75 ratio. Cal AI - Food Calorie Tracker reports 1,000,000+ installs on Google Play.
Are HeartWatch: Heart Rate Monitor and Cal AI - Food Calorie 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 HeartWatch: Heart Rate Monitor and Cal AI - Food Calorie Tracker offer? v
HeartWatch: Heart Rate Monitor: no IAP detected on the public listing. Cal AI - Food Calorie Tracker: IAP range $9.99 - $59.99 per item. HeartWatch: Heart Rate Monitor runs a "Paid app ($8.99)" monetization model; Cal AI - Food Calorie Tracker runs "Subscription (~$24.48/mo, fitness-sub)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, HeartWatch: Heart Rate Monitor or Cal AI - Food Calorie Tracker? v
HeartWatch: Heart Rate Monitor edges ahead with ★ 4.7 vs ★ 4.6 (gap of 0.0 stars). Rating volume: HeartWatch: Heart Rate Monitor 14K ratings, Cal AI - Food Calorie Tracker 2K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these HeartWatch: Heart Rate Monitor vs Cal AI - Food Calorie Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $358.2K for HeartWatch: Heart Rate Monitor and $415.8K for Cal AI - Food Calorie 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 HeartWatch: Heart Rate Monitor or Cal AI - Food Calorie 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.