Calculator Air: AI Math Solver vs Proton VPN: Fast & Secure

Calculator Air: AI Math Solver

Air Apps Systems
App Store
$203.1K/mo
~$2.44M/yr · 9.1M installs
VS

Proton VPN: Fast & Secure

Proton AG
App Store
$599.4K/mo
~$7.19M/yr · 7.5M installs
Revenue winner Proton VPN: Fast & Secure wins +195% vs other
Installs winner Calculator Air: AI Math Solver wins +22% vs other
MAU winner Calculator Air: AI Math Solver wins +45% vs other
Rating winner Calculator Air: AI Math Solver wins +2% vs other

Why Proton VPN: Fast & Secure is winning

Top 2 reasons - backed by the public App Store / Play Store numbers.

  1. Proton VPN: Fast & Secure earns roughly 3× more per month than Calculator Air: AI Math Solver - $599.4K vs $203.1K.
  2. Aggressive pricing. Proton VPN: Fast & Secure undercuts at $14.99/mo vs $19.99/mo - converts a higher % of free users.

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

Side-by-side metrics

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

Calculator Air: AI Math Solver
vs
Proton VPN: Fast & Secure
Monthly revenue (est.)?
$203.1K
$599.4K
Annual revenue (est.)
$2.44M
$7.19M
Lifetime installs (est.)
9.1M
7.5M
Monthly active users (est.)?
1.1M
740K
App Store rating
4.69★
4.61★
Total ratings
83K
68K
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
$14.99
IAP tiers detected
10 tiers
3 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 →

Proton VPN: Fast & Secure

Proton AG
App Store
Category
Utilities
Price
Free
Released
Nov 12, 2018
Last updated
Jun 8, 2026
File size
257.7 MB
Content rating
4+
Version
7.5.2
Languages
Arabic, BE, Catalan, Czech, Danish, Dutch +27 more
View full Proton VPN: Fast & Secure report →

Calculator Air: AI Math Solver trajectory

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Proton VPN: Fast & Secure trajectory

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FAQ

Which makes more money, Calculator Air: AI Math Solver or Proton VPN: Fast & Secure? v
Proton VPN: Fast & Secure earns about $599.4K per month, while Calculator Air: AI Math Solver earns about $203.1K. That is a 3.0× revenue gap (~$396.3K more per month for Proton VPN: Fast & Secure). Annual revenue: Calculator Air: AI Math Solver ≈ $2.44M/year, Proton VPN: Fast & Secure ≈ $7.19M/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 Proton VPN: Fast & Secure? v
Calculator Air: AI Math Solver leads with about 9.1M estimated downloads vs 7.5M for Proton VPN: Fast & Secure - a 1.2× gap. Calculator Air: AI Math Solver's App Store downloads are estimated from 83K ratings × the standard 1:75 ratio. Proton VPN: Fast & Secure's App Store downloads are estimated from 68K ratings.
Are Calculator Air: AI Math Solver and Proton VPN: Fast & Secure 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 Proton VPN: Fast & Secure offer? v
Calculator Air: AI Math Solver: IAP range 10 tiers detected. Proton VPN: Fast & Secure: IAP range 3 tiers detected. Calculator Air: AI Math Solver runs a "Subscription (~$5.83/mo)" monetization model; Proton VPN: Fast & Secure runs "Subscription (~$10.00/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 Proton VPN: Fast & Secure? v
Calculator Air: AI Math Solver edges ahead with ★ 4.7 vs ★ 4.6 (gap of 0.1 stars). Rating volume: Calculator Air: AI Math Solver 83K ratings, Proton VPN: Fast & Secure 68K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Calculator Air: AI Math Solver vs Proton VPN: Fast & Secure revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $203.1K for Calculator Air: AI Math Solver and $599.4K for Proton VPN: Fast & Secure 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 Proton VPN: Fast & Secure 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.