Calculator Air: AI Math Solver vs Proton VPN: Fast & Secure
Calculator Air: AI Math Solver
Air Apps Systems
App Store
$201.8K/mo
~$2.42M/yr · 9.1M installs
VS
Proton VPN: Fast & Secure
Proton AG
App Store
$392.2K/mo
~$4.71M/yr · 4.9M installs
Revenue winner
Proton VPN: Fast & Secure wins
+94% vs other
Installs winner
Calculator Air: AI Math Solver wins
+85% vs other
MAU winner
Calculator Air: AI Math Solver wins
+120% vs other
Rating winner
Calculator Air: AI Math Solver wins
+3% vs other
Why Proton VPN: Fast & Secure is winning
Top 2 reasons - backed by the public App Store / Play Store numbers.
- Proton VPN: Fast & Secure earns roughly 2× more per month than Calculator Air: AI Math Solver - $392.2K vs $201.8K.
- 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.)?
$201.8K
▶
$392.2K
Annual revenue (est.)
$2.42M
▶
$4.71M
Lifetime installs (est.)
9.1M
◀
4.9M
Monthly active users (est.)?
1.1M
◀
486K
App Store rating
4.70★
◀
4.56★
Total ratings
82K
◀
45K
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
◀
$14.99
IAP tiers detected
10 tiers
◀
3 tiers
- 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
- Category
- Utilities
- Price
- Free
- Released
- Nov 12, 2018
- Last updated
- Apr 28, 2026
- File size
- 264.9 MB
- Content rating
- 4+
- Version
- 7.4.0
- Languages
- Arabic, BE, Catalan, Czech, Danish, Dutch +27 more
Calculator Air: AI Math Solver trajectory
Proton VPN: Fast & Secure trajectory
FAQ
Which makes more money, Calculator Air: AI Math Solver or Proton VPN: Fast & Secure? v
Proton VPN: Fast & Secure earns about $392.2K per month, while Calculator Air: AI Math Solver earns about $201.8K. That is a 1.9× revenue gap (~$190.4K more per month for Proton VPN: Fast & Secure). Annual revenue: Calculator Air: AI Math Solver ≈ $2.42M/year, Proton VPN: Fast & Secure ≈ $4.71M/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 4.9M for Proton VPN: Fast & Secure - a 1.8× gap. Calculator Air: AI Math Solver's App Store downloads are estimated from 82K ratings × the standard 1:75 ratio. Proton VPN: Fast & Secure's App Store downloads are estimated from 45K 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 82K ratings, Proton VPN: Fast & Secure 45K 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 $201.8K for Calculator Air: AI Math Solver and $392.2K 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.