InstaEnglish-Speak&Learn Fast vs Kartez

InstaEnglish-Speak&Learn Fast

Westberg Co., Ltd.
App Store
$24/mo
~$286/yr · 1K installs
VS

Kartez

ONUR TASKIRAN
App Store
$120/mo
~$1.4K/yr · 2K installs
Revenue winner Kartez wins +400% vs other
Installs winner Kartez wins +43% vs other
MAU winner Kartez wins +37% vs other
Rating winner InstaEnglish-Speak&Learn Fast wins +457% vs other

Why Kartez is winning

Top 1 reasons - backed by the public App Store / Play Store numbers.

  1. Kartez earns roughly 5× more per month than InstaEnglish-Speak&Learn Fast - $120 vs $24.

Find more apps with this revenue gap · Full Kartez report

Side-by-side metrics

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

InstaEnglish-Speak&Learn Fast
vs
Kartez
Monthly revenue (est.)?
$24
$120
Annual revenue (est.)
$286
$1.4K
Lifetime installs (est.)
1K
2K
Monthly active users (est.)?
122.85
168
App Store rating
4.57★
-
Total ratings
21
0
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
No sub
IAP tiers detected
5 tiers
0 tiers

InstaEnglish-Speak&Learn Fast

Westberg Co., Ltd.
App Store
Category
Education
Price
Free
Released
Jan 3, 2024
Last updated
Jun 25, 2026
File size
163.5 MB
Content rating
4+
Version
1.2.94
Languages
English, Japanese, Korean
View full InstaEnglish-Speak&Learn Fast report →

Kartez

ONUR TASKIRAN
App Store
Category
Education
Price
USD2.99
Released
Jun 30, 2026
Last updated
Jun 30, 2026
File size
37.6 MB
Content rating
4+
Version
1.0
Languages
English
View full Kartez report →

InstaEnglish-Speak&Learn Fast trajectory

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Kartez trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

FAQ

Which makes more money, InstaEnglish-Speak&Learn Fast or Kartez? v
Kartez earns about $120 per month, while InstaEnglish-Speak&Learn Fast earns about $24. That is a 5.0× revenue gap (~$96 more per month for Kartez). Annual revenue: InstaEnglish-Speak&Learn Fast ≈ $286/year, Kartez ≈ $1.4K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, InstaEnglish-Speak&Learn Fast or Kartez? v
Kartez leads with about 2K estimated downloads vs 1K for InstaEnglish-Speak&Learn Fast - a 1.4× gap. InstaEnglish-Speak&Learn Fast's App Store downloads are estimated from 21 ratings × the standard 1:75 ratio. Kartez's App Store downloads are estimated from 0 ratings.
Are InstaEnglish-Speak&Learn Fast and Kartez 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 InstaEnglish-Speak&Learn Fast and Kartez offer? v
InstaEnglish-Speak&Learn Fast: IAP range 5 tiers detected. Kartez: no IAP detected on the public listing. InstaEnglish-Speak&Learn Fast runs a "Subscription (~$5.99/mo)" monetization model; Kartez runs "Paid app ($2.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, InstaEnglish-Speak&Learn Fast or Kartez? v
InstaEnglish-Speak&Learn Fast edges ahead with a higher overall score (gap of 4.6 stars). Rating volume: InstaEnglish-Speak&Learn Fast 21 ratings, Kartez 0 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these InstaEnglish-Speak&Learn Fast vs Kartez revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $24 for InstaEnglish-Speak&Learn Fast and $120 for Kartez 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 InstaEnglish-Speak&Learn Fast or Kartez 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.