Cal AI - Calorie Tracker vs Period Calendar Period Tracker
Cal AI - Calorie Tracker
Viral Development LLC
App Store
$3.95M/mo
~$47.44M/yr · 14.0M installs
VS
Period Calendar Period Tracker
Simple Design Ltd.
Google Play
$4.59M/mo
~$55.03M/yr · 220.4M installs
Revenue winner
Period Calendar Period Tracker wins
+16% vs other
Installs winner
Period Calendar Period Tracker wins
+1475% vs other
MAU winner
Period Calendar Period Tracker wins
+100% vs other
Rating winner
Period Calendar Period Tracker wins
+2% vs other
Why Period Calendar Period Tracker is winning
Top 2 reasons - backed by the public App Store / Play Store numbers.
- Aggressive pricing. Period Calendar Period Tracker undercuts at $7.71/mo vs $19.99/mo - converts a higher % of free users.
- Bigger install base. Period Calendar Period Tracker has ~220.4M lifetime installs vs Cal AI - Calorie Tracker's ~14.0M - 15.7× the funnel top.
→ Find more apps with this revenue gap · Full Period Calendar Period Tracker report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Cal AI - Calorie Tracker
vs
Period Calendar Period Tracker
Monthly revenue (est.)?
$3.95M
▶
$4.59M
Annual revenue (est.)
$47.44M
▶
$55.03M
Lifetime installs (est.)
14.0M
▶
220.4M
Monthly active users (est.)?
4.1M
▶
8.2M
App Store rating
4.80★
▶
4.88★
Total ratings
311K
▶
4.9M
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
◀
$7.71
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
- Mar 16, 2012
- Last updated
- May 7, 2026
- File size
- -
- Content rating
- Everyone
- Version
- VARY
- Languages
- -
Cal AI - Calorie Tracker trajectory
Period Calendar Period Tracker trajectory
FAQ
Which makes more money, Cal AI - Calorie Tracker or Period Calendar Period Tracker? v
Period Calendar Period Tracker earns about $4.59M per month, while Cal AI - Calorie Tracker earns about $3.95M. That is a 1.2× revenue gap (~$632.9K more per month for Period Calendar Period Tracker). Annual revenue: Cal AI - Calorie Tracker ≈ $47.44M/year, Period Calendar Period Tracker ≈ $55.03M/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 Period Calendar Period Tracker? v
Period Calendar Period Tracker leads with about 220.4M estimated downloads vs 14.0M for Cal AI - Calorie Tracker - a 15.7× gap. Cal AI - Calorie Tracker's App Store downloads are estimated from 311K ratings × the standard 1:75 ratio. Period Calendar Period Tracker reports 100,000,000+ installs on Google Play.
Are Cal AI - Calorie Tracker and Period Calendar Period 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 Period Calendar Period Tracker offer? v
Cal AI - Calorie Tracker: IAP range 4 tiers detected. Period Calendar Period Tracker: IAP range $0.99 - $59.99 per item. Cal AI - Calorie Tracker runs a "Subscription (~$19.99/mo, fitness-sub)" monetization model; Period Calendar Period Tracker runs "Subscription (~$7.71/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 Period Calendar Period Tracker? v
Period Calendar Period Tracker edges ahead with ★ 4.9 vs ★ 4.8 (gap of 0.1 stars). Rating volume: Cal AI - Calorie Tracker 311K ratings, Period Calendar Period Tracker 115K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Cal AI - Calorie Tracker vs Period Calendar Period Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $3.95M for Cal AI - Calorie Tracker and $4.59M for Period Calendar Period 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 Period Calendar Period 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.