Calculator Air: AI Math Solver vs ExpressVPN · Secure & Fast VPN

Calculator Air: AI Math Solver

Air Apps Systems
App Store
$201.8K/mo
~$2.42M/yr · 9.1M installs
VS

ExpressVPN · Secure & Fast VPN

Express VPN
App Store
$3.00M/mo
~$36.04M/yr · 62.2M installs
Revenue winner ExpressVPN · Secure & Fast VPN wins +1389% vs other
Installs winner ExpressVPN · Secure & Fast VPN wins +586% vs other
MAU winner ExpressVPN · Secure & Fast VPN wins +191% vs other
Rating winner Calculator Air: AI Math Solver wins +0% vs other

Why ExpressVPN · Secure & Fast VPN is winning

Top 3 reasons - backed by the public App Store / Play Store numbers.

  1. ExpressVPN · Secure & Fast VPN earns roughly 15× more per month than Calculator Air: AI Math Solver - $3.00M vs $201.8K.
  2. Aggressive pricing. ExpressVPN · Secure & Fast VPN undercuts at $11.99/mo vs $19.99/mo - converts a higher % of free users.
  3. Bigger install base. ExpressVPN · Secure & Fast VPN has ~62.2M lifetime installs vs Calculator Air: AI Math Solver's ~9.1M - 6.9× the funnel top.

Find more apps with this revenue gap · Full ExpressVPN · Secure & Fast VPN report

Side-by-side metrics

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

Calculator Air: AI Math Solver
vs
ExpressVPN · Secure & Fast VPN
Monthly revenue (est.)?
$201.8K
$3.00M
Annual revenue (est.)
$2.42M
$36.04M
Lifetime installs (est.)
9.1M
62.2M
Monthly active users (est.)?
1.1M
3.1M
App Store rating
4.70★
4.68★
Total ratings
82K
414K
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
$11.99
IAP tiers detected
10 tiers
6 tiers

Calculator Air: AI Math Solver

Air Apps Systems
App Store
Category
Utilities
Price
Free
Released
Nov 8, 2016
Last updated
Dec 12, 2025
File size
160.8 MB
Content rating
4+
Version
2025.12.1
Languages
Arabic, Catalan, Croatian, Czech, Danish, Dutch +27 more
View full Calculator Air: AI Math Solver report →

ExpressVPN · Secure & Fast VPN

Express VPN
App Store
Category
Utilities
Price
Free
Released
Aug 11, 2014
Last updated
May 4, 2026
File size
181.8 MB
Content rating
4+
Version
12.52.0
Languages
Danish, Dutch, English, Finnish, French, German +11 more
View full ExpressVPN · Secure & Fast VPN report →

Calculator Air: AI Math Solver trajectory

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ExpressVPN · Secure & Fast VPN trajectory

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FAQ

Which makes more money, Calculator Air: AI Math Solver or ExpressVPN · Secure & Fast VPN? v
ExpressVPN · Secure & Fast VPN earns about $3.00M per month, while Calculator Air: AI Math Solver earns about $201.8K. That is a 14.9× revenue gap (~$2.80M more per month for ExpressVPN · Secure & Fast VPN). Annual revenue: Calculator Air: AI Math Solver ≈ $2.42M/year, ExpressVPN · Secure & Fast VPN ≈ $36.04M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Calculator Air: AI Math Solver or ExpressVPN · Secure & Fast VPN? v
ExpressVPN · Secure & Fast VPN leads with about 62.2M estimated downloads vs 9.1M for Calculator Air: AI Math Solver - a 6.9× gap. Calculator Air: AI Math Solver's App Store downloads are estimated from 82K ratings × the standard 1:75 ratio. ExpressVPN · Secure & Fast VPN's App Store downloads are estimated from 414K ratings.
Are Calculator Air: AI Math Solver and ExpressVPN · Secure & Fast VPN 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 Calculator Air: AI Math Solver and ExpressVPN · Secure & Fast VPN offer? v
Calculator Air: AI Math Solver: IAP range 10 tiers detected. ExpressVPN · Secure & Fast VPN: IAP range 6 tiers detected. Calculator Air: AI Math Solver runs a "Subscription (~$5.83/mo)" monetization model; ExpressVPN · Secure & Fast VPN runs "Subscription (~$11.99/mo, security)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Calculator Air: AI Math Solver or ExpressVPN · Secure & Fast VPN? v
Calculator Air: AI Math Solver edges ahead with ★ 4.7 vs ★ 4.7 (gap of 0.0 stars). Rating volume: Calculator Air: AI Math Solver 82K ratings, ExpressVPN · Secure & Fast VPN 414K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Calculator Air: AI Math Solver vs ExpressVPN · Secure & Fast VPN revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $201.8K for Calculator Air: AI Math Solver and $3.00M for ExpressVPN · Secure & Fast VPN 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 Calculator Air: AI Math Solver or ExpressVPN · Secure & Fast VPN 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.