Langmate: Japanese Friends vs QANDA: AI Math & Study Helper

Langmate: Japanese Friends

Langmate Inc.
App Store
$24.7K/mo
~$296.1K/yr · 762K installs
VS

QANDA: AI Math & Study Helper

Mathpresso
App Store
$0/mo
~$0/yr · 39K installs
Revenue winner Langmate: Japanese Friends wins +2467600% vs other
Installs winner Langmate: Japanese Friends wins +1877% vs other
MAU winner Langmate: Japanese Friends wins +2060% vs other
Rating winner Langmate: Japanese Friends wins +33% vs other

Why Langmate: Japanese Friends is winning

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

  1. Langmate: Japanese Friends earns roughly 24676× more per month than QANDA: AI Math & Study Helper - $24.7K vs $0.
  2. Subscription model. Langmate: Japanese Friends runs a $8.49/mo subscription that compounds; QANDA: AI Math & Study Helper relies on one-shot IAP or ads.
  3. Bigger install base. Langmate: Japanese Friends has ~762K lifetime installs vs QANDA: AI Math & Study Helper's ~39K - 19.8× the funnel top.
  4. More monetization surfaces. Langmate: Japanese Friends runs 10 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Langmate: Japanese Friends report

Side-by-side metrics

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

Langmate: Japanese Friends
vs
QANDA: AI Math & Study Helper
Monthly revenue (est.)?
$24.7K
◀
$0
Annual revenue (est.)
$296.1K
◀
$0
Lifetime installs (est.)
762K
◀
39K
Monthly active users (est.)?
90K
◀
4K
App Store rating
4.68★
◀
3.52★
Total ratings
10K
◀
771
US grossing rank
-
=
-
Cheapest monthly sub
$8.49
◀
No sub
IAP tiers detected
10 tiers
◀
0 tiers

Langmate: Japanese Friends

Langmate Inc.
App Store
Category
Education
Price
Free
Released
Apr 14, 2016
Last updated
Jun 24, 2026
File size
174.4 MB
Content rating
17+
Version
5.2.7
Languages
English, Japanese
View full Langmate: Japanese Friends report →

QANDA: AI Math & Study Helper

Mathpresso
App Store
Category
Education
Price
Free
Released
Nov 29, 2017
Last updated
Jul 3, 2026
File size
194.3 MB
Content rating
4+
Version
7.4.40
Languages
English, French, German, Indonesian, Italian, Japanese +8 more
View full QANDA: AI Math & Study Helper report →

Langmate: Japanese Friends trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

QANDA: AI Math & Study Helper trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

Langmate: Japanese Friends App Store page →QANDA: AI Math & Study Helper App Store page →

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FAQ

Which makes more money, Langmate: Japanese Friends or QANDA: AI Math & Study Helper? v
Langmate: Japanese Friends earns about $24.7K per month, while QANDA: AI Math & Study Helper earns about $0. That is a ∞× revenue gap (~$24.7K more per month for Langmate: Japanese Friends). Annual revenue: Langmate: Japanese Friends ≈ $296.1K/year, QANDA: AI Math & Study Helper ≈ $0/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Langmate: Japanese Friends or QANDA: AI Math & Study Helper? v
Langmate: Japanese Friends leads with about 762K estimated downloads vs 39K for QANDA: AI Math & Study Helper - a 19.8× gap. Langmate: Japanese Friends's App Store downloads are estimated from 10K ratings × the standard 1:75 ratio. QANDA: AI Math & Study Helper's App Store downloads are estimated from 771 ratings.
Are Langmate: Japanese Friends and QANDA: AI Math & Study Helper in the same App Store category and competing for the same money? v
Yes - both apps sit in the Education 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 Langmate: Japanese Friends and QANDA: AI Math & Study Helper offer? v
Langmate: Japanese Friends: IAP range 10 tiers detected. QANDA: AI Math & Study Helper: no IAP detected on the public listing. Langmate: Japanese Friends runs a "Subscription (~$8.49/mo)" monetization model; QANDA: AI Math & Study Helper runs "No App Store revenue (monetizes off-store)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Langmate: Japanese Friends or QANDA: AI Math & Study Helper? v
Langmate: Japanese Friends edges ahead with ★ 4.7 vs ★ 3.5 (gap of 1.2 stars). Rating volume: Langmate: Japanese Friends 10K ratings, QANDA: AI Math & Study Helper 771 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Langmate: Japanese Friends vs QANDA: AI Math & Study Helper revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $24.7K for Langmate: Japanese Friends and $0 for QANDA: AI Math & Study Helper are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Education) - 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 Langmate: Japanese Friends or QANDA: AI Math & Study Helper 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.