CallApp vs Swimming Pool Calculator
CallApp
CallApp
App Store
$651/mo
~$7.8K/yr · 25K installs
VS
Swimming Pool Calculator
Fernando Montero
App Store
$253/mo
~$3.0K/yr · 2K installs
Revenue winner
CallApp wins
+157% vs other
Installs winner
CallApp wins
+1200% vs other
MAU winner
CallApp wins
+1270% vs other
Rating winner
CallApp wins
+17% vs other
Why CallApp is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- CallApp earns roughly 3× more per month than Swimming Pool Calculator - $651 vs $253.
- Premium pricing. CallApp charges $6.99/mo vs Swimming Pool Calculator's $4.17/mo - higher ARPU per converted user.
- Bigger install base. CallApp has ~25K lifetime installs vs Swimming Pool Calculator's ~2K - 13.0× the funnel top.
- More monetization surfaces. CallApp runs 5 IAP tiers vs 4 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full CallApp report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
CallApp
vs
Swimming Pool Calculator
Monthly revenue (est.)?
$651
◀
$253
Annual revenue (est.)
$7.8K
◀
$3.0K
Lifetime installs (est.)
25K
◀
2K
Monthly active users (est.)?
3K
◀
210.9
App Store rating
4.53★
◀
3.87★
Total ratings
449
◀
38
US grossing rank
-
=
-
Cheapest monthly sub
$6.99
◀
$4.17
IAP tiers detected
5 tiers
◀
4 tiers
- Category
- Utilities
- Price
- Free
- Released
- Aug 20, 2025
- Last updated
- Jun 3, 2026
- File size
- 213.6 MB
- Content rating
- 4+
- Version
- 1.21
- Languages
- Arabic, Danish, Dutch, English, Finnish, French +17 more
- Category
- Utilities
- Price
- USD4.99
- Released
- Oct 29, 2021
- Last updated
- Mar 25, 2026
- File size
- 96.1 MB
- Content rating
- 4+
- Version
- 3.10.19
- Languages
- English
CallApp trajectory
Swimming Pool Calculator trajectory
FAQ
Which makes more money, CallApp or Swimming Pool Calculator? v
CallApp earns about $651 per month, while Swimming Pool Calculator earns about $253. That is a 2.6× revenue gap (~$398 more per month for CallApp). Annual revenue: CallApp ≈ $7.8K/year, Swimming Pool Calculator ≈ $3.0K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, CallApp or Swimming Pool Calculator? v
CallApp leads with about 25K estimated downloads vs 2K for Swimming Pool Calculator - a 13.0× gap. CallApp's App Store downloads are estimated from 444 ratings × the standard 1:75 ratio. Swimming Pool Calculator's App Store downloads are estimated from 38 ratings.
Are CallApp and Swimming Pool Calculator in the same App Store category and competing for the same money? v
Yes - both apps sit in the Utilities 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 CallApp and Swimming Pool Calculator offer? v
CallApp: IAP range 5 tiers detected. Swimming Pool Calculator: IAP range 4 tiers detected. CallApp runs a "Subscription (~$6.99/mo)" monetization model; Swimming Pool Calculator runs "Paid app ($4.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, CallApp or Swimming Pool Calculator? v
CallApp edges ahead with ★ 4.5 vs ★ 3.9 (gap of 0.7 stars). Rating volume: CallApp 444 ratings, Swimming Pool Calculator 38 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CallApp vs Swimming Pool Calculator revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $651 for CallApp and $253 for Swimming Pool Calculator are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Utilities) - 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 CallApp or Swimming Pool Calculator 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.