CITB Op/Spec HS&E test vs Preply: Language lessons

CITB Op/Spec HS&E test

CITB
App Store
$112/mo
~$1.3K/yr · 600 installs
VS

Preply: Language lessons

Preply Inc.
Google Play
$279.4K/mo
~$3.35M/yr · 8.1M installs
Revenue winner Preply: Language lessons wins +249339% vs other
Installs winner Preply: Language lessons wins +1354055% vs other
MAU winner Preply: Language lessons wins +1410011% vs other
Rating winner CITB Op/Spec HS&E test wins +6% vs other

Why Preply: Language lessons is winning

Top 3 reasons - backed by the public App Store / Play Store numbers.

  1. Preply: Language lessons earns roughly 2494× more per month than CITB Op/Spec HS&E test - $279.4K vs $112.
  2. Subscription model. Preply: Language lessons runs a $14.00/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. Preply: Language lessons has ~8.1M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 13541.5× the funnel top.

→ Find more apps with this revenue gap · Full Preply: Language lessons report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Preply: Language lessons
Monthly revenue (est.)?
$112
▶
$279.4K
Annual revenue (est.)
$1.3K
▶
$3.35M
Lifetime installs (est.)
600
▶
8.1M
Monthly active users (est.)?
72.6
▶
1.0M
App Store rating
5.00★
◀
4.71★
Total ratings
12
▶
57K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$14.00
IAP tiers detected
0 tiers
=
0 tiers

CITB Op/Spec HS&E test

CITB
App Store
Category
Education
Price
USD6.99
Released
May 16, 2019
Last updated
Jan 8, 2026
File size
148.2 MB
Content rating
12+
Version
6.0.52
Languages
English
View full CITB Op/Spec HS&E test report →

Preply: Language lessons

Preply Inc.
Google Play
Category
Education
Price
Free
Released
Sep 10, 2018
Last updated
May 4, 2026
File size
-
Content rating
Everyone
Version
6.122.1
Languages
-
View full Preply: Language lessons report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Preply: Language lessons trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CITB Op/Spec HS&E test App Store page →Preply: Language lessons Play Store page →

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FAQ

Which makes more money, CITB Op/Spec HS&E test or Preply: Language lessons? v
Preply: Language lessons earns about $279.4K per month, while CITB Op/Spec HS&E test earns about $112. That is a 2494.4× revenue gap (~$279.3K more per month for Preply: Language lessons). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Preply: Language lessons ≈ $3.35M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, CITB Op/Spec HS&E test or Preply: Language lessons? v
Preply: Language lessons leads with about 8.1M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 13541.5× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Preply: Language lessons reports 5,000,000+ installs on Google Play.
Are CITB Op/Spec HS&E test and Preply: Language lessons 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.
Do CITB Op/Spec HS&E test and Preply: Language lessons have in-app purchases? v
CITB Op/Spec HS&E test does not appear to offer in-app purchases on its public listing. Preply: Language lessons does not appear to offer in-app purchases. Monetization model: CITB Op/Spec HS&E test runs "Paid app ($6.99)", Preply: Language lessons runs "Subscription (~$14.00/mo, language)".
Which has better ratings, CITB Op/Spec HS&E test or Preply: Language lessons? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.7 (gap of 0.3 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Preply: Language lessons 1K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Preply: Language lessons revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $112 for CITB Op/Spec HS&E test and $279.4K for Preply: Language lessons 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 CITB Op/Spec HS&E test or Preply: Language lessons 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.