InstaEnglish-Speak&Learn Fast vs Testbook: Exam Preparation App

InstaEnglish-Speak&Learn Fast

Westberg Co., Ltd.
App Store
$23/mo
~$274/yr · 1K installs
VS

Testbook: Exam Preparation App

Testbook: Exam Prep App
Google Play
$0/mo
~$0/yr · 51.0M installs
Revenue winner InstaEnglish-Speak&Learn Fast wins +2300% vs other
Installs winner Testbook: Exam Preparation App wins +5096343% vs other
MAU winner Testbook: Exam Preparation App wins +1425177% vs other
Rating winner InstaEnglish-Speak&Learn Fast wins +21% vs other

Why InstaEnglish-Speak&Learn Fast is winning

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

  1. InstaEnglish-Speak&Learn Fast earns roughly 23× more per month than Testbook: Exam Preparation App - $23 vs $0.
  2. Subscription model. InstaEnglish-Speak&Learn Fast runs a $9.99/mo subscription that compounds; Testbook: Exam Preparation App relies on one-shot IAP or ads.
  3. More monetization surfaces. InstaEnglish-Speak&Learn Fast runs 5 IAP tiers vs 0 - more chances to convert users at the right price.
  4. Better app store reviews. InstaEnglish-Speak&Learn Fast sits at 4.70★ vs 3.88★ - store algorithms reward higher-rated apps with more impressions.

→ Find more apps with this revenue gap · Full InstaEnglish-Speak&Learn Fast report

Side-by-side metrics

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

InstaEnglish-Speak&Learn Fast
vs
Testbook: Exam Preparation App
Monthly revenue (est.)?
$23
◀
$0
Annual revenue (est.)
$274
◀
$0
Lifetime installs (est.)
1K
▶
51.0M
Monthly active users (est.)?
118
▶
1.7M
App Store rating
4.70★
◀
3.88★
Total ratings
20
▶
857K
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
May 6, 2026
File size
184.6 MB
Content rating
4+
Version
1.2.74
Languages
English, Japanese, Korean
View full InstaEnglish-Speak&Learn Fast report →

Testbook: Exam Preparation App

Testbook: Exam Prep App
Google Play
Category
Education
Price
Free
Released
Jun 29, 2015
Last updated
Apr 22, 2026
File size
-
Content rating
Everyone
Version
9.9.14
Languages
-
View full Testbook: Exam Preparation App report →

InstaEnglish-Speak&Learn Fast trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Testbook: Exam Preparation App trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

InstaEnglish-Speak&Learn Fast App Store page →Testbook: Exam Preparation App Play Store page →

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Compare another pair

FAQ

Which makes more money, InstaEnglish-Speak&Learn Fast or Testbook: Exam Preparation App? v
InstaEnglish-Speak&Learn Fast earns about $23 per month, while Testbook: Exam Preparation App earns about $0. That is a ∞× revenue gap (~$23 more per month for InstaEnglish-Speak&Learn Fast). Annual revenue: InstaEnglish-Speak&Learn Fast ≈ $274/year, Testbook: Exam Preparation App ≈ $0/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, InstaEnglish-Speak&Learn Fast or Testbook: Exam Preparation App? v
Testbook: Exam Preparation App leads with about 51.0M estimated downloads vs 1K for InstaEnglish-Speak&Learn Fast - a 50964.4× gap. InstaEnglish-Speak&Learn Fast's App Store downloads are estimated from 20 ratings × the standard 1:75 ratio. Testbook: Exam Preparation App reports 50,000,000+ installs on Google Play.
Are InstaEnglish-Speak&Learn Fast and Testbook: Exam Preparation App in the same App Store category on each store 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 Testbook: Exam Preparation App offer? v
InstaEnglish-Speak&Learn Fast: IAP range 5 tiers detected. Testbook: Exam Preparation App: no IAP detected on the public listing. InstaEnglish-Speak&Learn Fast runs a "Subscription (~$5.99/mo)" monetization model; Testbook: Exam Preparation App 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, InstaEnglish-Speak&Learn Fast or Testbook: Exam Preparation App? v
InstaEnglish-Speak&Learn Fast edges ahead with ★ 4.7 vs ★ 3.9 (gap of 0.8 stars). Rating volume: InstaEnglish-Speak&Learn Fast 20 ratings, Testbook: Exam Preparation App 168 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these InstaEnglish-Speak&Learn Fast vs Testbook: Exam Preparation App revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $23 for InstaEnglish-Speak&Learn Fast and $0 for Testbook: Exam Preparation App are derived from App Store grossing rank / Google Play install ranges, 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 Testbook: Exam Preparation App to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play 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.