Bom Calendar - Period tracker vs Cal AI - Calorie Tracker
Bom Calendar - Period tracker
bomcomes Corp.
App Store
$12.4K/mo
~$148.4K/yr · 125K installs
VS
Cal AI - Calorie Tracker
Viral Development LLC
App Store
$3.20M/mo
~$38.35M/yr · 15.1M installs
Revenue winner
Cal AI - Calorie Tracker wins
+25746% vs other
Installs winner
Cal AI - Calorie Tracker wins
+11964% vs other
MAU winner
Cal AI - Calorie Tracker wins
+10261% vs other
Rating winner
Cal AI - Calorie Tracker wins
+5% 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 258× more per month than Bom Calendar - Period tracker - $3.20M vs $12.4K.
- Premium pricing. Cal AI - Calorie Tracker charges $19.99/mo vs Bom Calendar - Period tracker's $11.99/mo - higher ARPU per converted user.
- Bigger install base. Cal AI - Calorie Tracker has ~15.1M lifetime installs vs Bom Calendar - Period tracker's ~125K - 120.6× 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.
Bom Calendar - Period tracker
vs
Cal AI - Calorie Tracker
Monthly revenue (est.)?
$12.4K
▶
$3.20M
Annual revenue (est.)
$148.4K
▶
$38.35M
Lifetime installs (est.)
125K
▶
15.1M
Monthly active users (est.)?
32K
▶
3.3M
App Store rating
4.56★
▶
4.80★
Total ratings
2K
▶
335K
US grossing rank
-
=
-
Cheapest monthly sub
$11.99
▶
$19.99
IAP tiers detected
3 tiers
=
3 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- Feb 24, 2017
- Last updated
- Jun 13, 2026
- File size
- 121.1 MB
- Content rating
- 12+
- Version
- 2.6.2
- Languages
- English, Korean
- 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
Bom Calendar - Period tracker trajectory
Cal AI - Calorie Tracker trajectory
FAQ
Which makes more money, Bom Calendar - Period tracker or Cal AI - Calorie Tracker? v
Cal AI - Calorie Tracker earns about $3.20M per month, while Bom Calendar - Period tracker earns about $12.4K. That is a 258.5× revenue gap (~$3.18M more per month for Cal AI - Calorie Tracker). Annual revenue: Bom Calendar - Period tracker ≈ $148.4K/year, Cal AI - Calorie Tracker ≈ $38.35M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Bom Calendar - Period tracker or Cal AI - Calorie Tracker? v
Cal AI - Calorie Tracker leads with about 15.1M estimated downloads vs 125K for Bom Calendar - Period tracker - a 120.6× gap. Bom Calendar - Period tracker's App Store downloads are estimated from 2K ratings × the standard 1:75 ratio. Cal AI - Calorie Tracker's App Store downloads are estimated from 335K ratings.
Are Bom Calendar - Period tracker and Cal AI - Calorie Tracker 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 Bom Calendar - Period tracker and Cal AI - Calorie Tracker offer? v
Bom Calendar - Period tracker: IAP range 3 tiers detected. Cal AI - Calorie Tracker: IAP range 3 tiers detected. Bom Calendar - Period tracker runs a "Subscription (~$11.99/mo)" monetization model; Cal AI - Calorie Tracker runs "Subscription (~$19.99/mo, fitness-sub)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Bom Calendar - Period tracker or Cal AI - Calorie Tracker? v
Cal AI - Calorie Tracker edges ahead with ★ 4.8 vs ★ 4.6 (gap of 0.2 stars). Rating volume: Bom Calendar - Period tracker 2K ratings, Cal AI - Calorie Tracker 335K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Bom Calendar - Period tracker vs Cal AI - Calorie Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $12.4K for Bom Calendar - Period tracker and $3.20M for Cal AI - Calorie Tracker 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 Bom Calendar - Period tracker or Cal AI - 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 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.