Calculator Air: AI Math Solver vs Voice Recorder & Notes Pro

Calculator Air: AI Math Solver

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

Voice Recorder & Notes Pro

Linfei Ltd.
App Store
$45.5K/mo
~$545.7K/yr · 1.4M installs
Revenue winner Calculator Air: AI Math Solver wins +344% vs other
Installs winner Calculator Air: AI Math Solver wins +531% vs other
MAU winner Calculator Air: AI Math Solver wins +531% vs other
Rating winner Calculator Air: AI Math Solver wins +1% vs other

Why Calculator Air: AI Math Solver is winning

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

  1. Calculator Air: AI Math Solver earns roughly 4× more per month than Voice Recorder & Notes Pro - $201.8K vs $45.5K.
  2. Premium pricing. Calculator Air: AI Math Solver charges $19.99/mo vs Voice Recorder & Notes Pro's $16.99/mo - higher ARPU per converted user.
  3. Bigger install base. Calculator Air: AI Math Solver has ~9.1M lifetime installs vs Voice Recorder & Notes Pro's ~1.4M - 6.3× the funnel top.
  4. More monetization surfaces. Calculator Air: AI Math Solver runs 10 IAP tiers vs 2 - more chances to convert users at the right price.

Find more apps with this revenue gap · Full Calculator Air: AI Math Solver report

Side-by-side metrics

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

Calculator Air: AI Math Solver
vs
Voice Recorder & Notes Pro
Monthly revenue (est.)?
$201.8K
$45.5K
Annual revenue (est.)
$2.42M
$545.7K
Lifetime installs (est.)
9.1M
1.4M
Monthly active users (est.)?
1.1M
169K
App Store rating
4.70★
4.63★
Total ratings
82K
13K
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
$16.99
IAP tiers detected
10 tiers
2 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 →

Voice Recorder & Notes Pro

Linfei Ltd.
App Store
Category
Utilities
Price
Free
Released
Jan 19, 2012
Last updated
Feb 27, 2026
File size
61.5 MB
Content rating
4+
Version
13.4
Languages
Arabic, Catalan, Croatian, Czech, Danish, Dutch +27 more
View full Voice Recorder & Notes Pro report →

Calculator Air: AI Math Solver trajectory

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Voice Recorder & Notes Pro trajectory

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FAQ

Which makes more money, Calculator Air: AI Math Solver or Voice Recorder & Notes Pro? v
Calculator Air: AI Math Solver earns about $201.8K per month, while Voice Recorder & Notes Pro earns about $45.5K. That is a 4.4× revenue gap (~$156.3K more per month for Calculator Air: AI Math Solver). Annual revenue: Calculator Air: AI Math Solver ≈ $2.42M/year, Voice Recorder & Notes Pro ≈ $545.7K/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 Voice Recorder & Notes Pro? v
Calculator Air: AI Math Solver leads with about 9.1M estimated downloads vs 1.4M for Voice Recorder & Notes Pro - a 6.3× gap. Calculator Air: AI Math Solver's App Store downloads are estimated from 82K ratings × the standard 1:75 ratio. Voice Recorder & Notes Pro's App Store downloads are estimated from 13K ratings.
Are Calculator Air: AI Math Solver and Voice Recorder & Notes Pro 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 Voice Recorder & Notes Pro offer? v
Calculator Air: AI Math Solver: IAP range 10 tiers detected. Voice Recorder & Notes Pro: IAP range 2 tiers detected. Calculator Air: AI Math Solver runs a "Subscription (~$5.83/mo)" monetization model; Voice Recorder & Notes Pro runs "Subscription (~$8.33/mo)". 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 Voice Recorder & Notes Pro? 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, Voice Recorder & Notes Pro 13K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Calculator Air: AI Math Solver vs Voice Recorder & Notes Pro 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 $45.5K for Voice Recorder & Notes Pro 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 Voice Recorder & Notes Pro 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.