Charlie - Walking Charlie vs Period Tracker Period Calendar

Charlie - Walking Charlie

Hyowon Jeon
App Store
$2.0K/mo
~$23.9K/yr · 32K installs
VS

Period Tracker Period Calendar

ABISHKKING LIMITED.
App Store
$1.60M/mo
~$19.23M/yr · 25.3M installs
Revenue winner Period Tracker Period Calendar wins +80260% vs other
Installs winner Period Tracker Period Calendar wins +79482% vs other
MAU winner Period Tracker Period Calendar wins +60124% vs other
Rating winner Period Tracker Period Calendar wins +3% vs other

Why Period Tracker Period Calendar is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Period Tracker Period Calendar earns roughly 804× more per month than Charlie - Walking Charlie - $1.60M vs $2.0K.
  2. Premium pricing. Period Tracker Period Calendar charges $9.99/mo vs Charlie - Walking Charlie's $7.50/mo - higher ARPU per converted user.
  3. Bigger install base. Period Tracker Period Calendar has ~25.3M lifetime installs vs Charlie - Walking Charlie's ~32K - 795.8× the funnel top.
  4. More monetization surfaces. Period Tracker Period Calendar runs 10 IAP tiers vs 5 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Period Tracker Period Calendar report

Side-by-side metrics

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

Charlie - Walking Charlie
vs
Period Tracker Period Calendar
Monthly revenue (est.)?
$2.0K
▶
$1.60M
Annual revenue (est.)
$23.9K
▶
$19.23M
Lifetime installs (est.)
32K
▶
25.3M
Monthly active users (est.)?
8K
▶
5.0M
App Store rating
4.78★
▶
4.92★
Total ratings
635
▶
168K
US grossing rank
-
=
-
Cheapest monthly sub
$7.50
▶
$9.99
IAP tiers detected
5 tiers
▶
10 tiers

Charlie - Walking Charlie

Hyowon Jeon
App Store
Category
Health & Fitness
Price
Free
Released
Sep 8, 2022
Last updated
Apr 18, 2026
File size
94.6 MB
Content rating
4+
Version
2.14.10
Languages
English, Korean
View full Charlie - Walking Charlie report →

Period Tracker Period Calendar

ABISHKKING LIMITED.
App Store
Category
Health & Fitness
Price
Free
Released
Sep 30, 2014
Last updated
May 8, 2026
File size
272.1 MB
Content rating
12+
Version
3.5.3
Languages
SQ, Arabic, BN, Bulgarian, Catalan, Croatian +43 more
View full Period Tracker Period Calendar report →

Charlie - Walking Charlie trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Period Tracker Period Calendar trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Charlie - Walking Charlie App Store page →Period Tracker Period Calendar App Store page →

Related comparisons

Cal AI Calorie Tracker iOS vs Charlie Walking Charlie iOSCharlie Walking Charlie iOS vs Calorie Counter Mynetdiary AndroidCharlie Walking Charlie iOS vs Cal AI Food Calorie Tracker AndroidCharlie Walking Charlie iOS vs Myfitnesspal Calorie Counter AndroidCharlie Walking Charlie iOS vs Fiton Workouts Amp Fitness Plans AndroidCharlie Walking Charlie iOS vs Fitbit Health Fitness iOS

Compare another pair

FAQ

Which makes more money, Charlie - Walking Charlie or Period Tracker Period Calendar? v
Period Tracker Period Calendar earns about $1.60M per month, while Charlie - Walking Charlie earns about $2.0K. That is a 803.6× revenue gap (~$1.60M more per month for Period Tracker Period Calendar). Annual revenue: Charlie - Walking Charlie ≈ $23.9K/year, Period Tracker Period Calendar ≈ $19.23M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Charlie - Walking Charlie or Period Tracker Period Calendar? v
Period Tracker Period Calendar leads with about 25.3M estimated downloads vs 32K for Charlie - Walking Charlie - a 795.8× gap. Charlie - Walking Charlie's App Store downloads are estimated from 627 ratings × the standard 1:75 ratio. Period Tracker Period Calendar's App Store downloads are estimated from 168K ratings.
Are Charlie - Walking Charlie and Period Tracker Period Calendar 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 Charlie - Walking Charlie and Period Tracker Period Calendar offer? v
Charlie - Walking Charlie: IAP range 5 tiers detected. Period Tracker Period Calendar: IAP range 10 tiers detected. Charlie - Walking Charlie runs a "Subscription (~$7.50/mo)" monetization model; Period Tracker Period Calendar runs "Subscription (~$9.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Charlie - Walking Charlie or Period Tracker Period Calendar? v
Period Tracker Period Calendar edges ahead with ★ 4.9 vs ★ 4.8 (gap of 0.1 stars). Rating volume: Charlie - Walking Charlie 627 ratings, Period Tracker Period Calendar 168K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Charlie - Walking Charlie vs Period Tracker Period Calendar revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $2.0K for Charlie - Walking Charlie and $1.60M for Period Tracker Period Calendar 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 Charlie - Walking Charlie or Period Tracker Period Calendar 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.