CITB Op/Spec HS&E test vs LingoDeer - Learn Languages

CITB Op/Spec HS&E test

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

LingoDeer - Learn Languages

LingoDeer - Learn Languages Apps
Google Play
$372.6K/mo
~$4.47M/yr · 16.6M installs
Revenue winner LingoDeer - Learn Languages wins +332622% vs other
Installs winner LingoDeer - Learn Languages wins +2764354% vs other
MAU winner LingoDeer - Learn Languages wins +1690558% vs other
Rating winner CITB Op/Spec HS&E test wins +12% vs other

Why LingoDeer - Learn Languages is winning

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

  1. LingoDeer - Learn Languages earns roughly 3327× more per month than CITB Op/Spec HS&E test - $372.6K vs $112.
  2. Subscription model. LingoDeer - Learn Languages runs a $17.23/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. LingoDeer - Learn Languages has ~16.6M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 27644.5× the funnel top.

Find more apps with this revenue gap · Full LingoDeer - Learn Languages report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
LingoDeer - Learn Languages
Monthly revenue (est.)?
$112
$372.6K
Annual revenue (est.)
$1.3K
$4.47M
Lifetime installs (est.)
600
16.6M
Monthly active users (est.)?
72.6
1.2M
App Store rating
5.00★
4.45★
Total ratings
12
449K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
$17.23
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 →

LingoDeer - Learn Languages

LingoDeer - Learn Languages Apps
Google Play
Category
Education
Price
Free
Released
Sep 8, 2017
Last updated
May 8, 2026
File size
-
Content rating
Everyone
Version
2.99.395
Languages
-
View full LingoDeer - Learn Languages report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

LingoDeer - Learn Languages trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

FAQ

Which makes more money, CITB Op/Spec HS&E test or LingoDeer - Learn Languages? v
LingoDeer - Learn Languages earns about $372.6K per month, while CITB Op/Spec HS&E test earns about $112. That is a 3327.2× revenue gap (~$372.5K more per month for LingoDeer - Learn Languages). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, LingoDeer - Learn Languages ≈ $4.47M/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 LingoDeer - Learn Languages? v
LingoDeer - Learn Languages leads with about 16.6M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 27644.5× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. LingoDeer - Learn Languages reports 10,000,000+ installs on Google Play.
Are CITB Op/Spec HS&E test and LingoDeer - Learn Languages 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 CITB Op/Spec HS&E test and LingoDeer - Learn Languages offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. LingoDeer - Learn Languages: IAP range $0.99 - $299.99 per item. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; LingoDeer - Learn Languages runs "Subscription (~$17.23/mo, language)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, CITB Op/Spec HS&E test or LingoDeer - Learn Languages? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.4 (gap of 0.6 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, LingoDeer - Learn Languages 16K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs LingoDeer - Learn Languages 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 $372.6K for LingoDeer - Learn Languages 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 LingoDeer - Learn Languages 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.