CITB Op/Spec HS&E test vs Learn to Read - Duolingo ABC

CITB Op/Spec HS&E test

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

Learn to Read - Duolingo ABC

Duolingo
App Store
$28.5K/mo
~$341.6K/yr · 296K installs
Revenue winner Learn to Read - Duolingo ABC wins +25315% vs other
Installs winner Learn to Read - Duolingo ABC wins +49273% vs other
MAU winner Learn to Read - Duolingo ABC wins +64371% vs other
Rating winner CITB Op/Spec HS&E test wins +18% vs other

Why Learn to Read - Duolingo ABC is winning

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

  1. Learn to Read - Duolingo ABC earns roughly 254× more per month than CITB Op/Spec HS&E test - $28.5K vs $112.
  2. Subscription model. Learn to Read - Duolingo ABC 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. Learn to Read - Duolingo ABC has ~296K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 493.7× the funnel top.

→ Find more apps with this revenue gap · Full Learn to Read - Duolingo ABC report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Learn to Read - Duolingo ABC
Monthly revenue (est.)?
$112
▶
$28.5K
Annual revenue (est.)
$1.3K
▶
$341.6K
Lifetime installs (est.)
600
▶
296K
Monthly active users (est.)?
72.6
▶
47K
App Store rating
5.00★
◀
4.25★
Total ratings
12
▶
4K
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 →

Learn to Read - Duolingo ABC

Duolingo
App Store
Category
Education
Price
Free
Released
Mar 23, 2020
Last updated
Aug 2, 2023
File size
211.6 MB
Content rating
4+
Version
1.96.2
Languages
English
View full Learn to Read - Duolingo ABC report →

CITB Op/Spec HS&E test trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Learn to Read - Duolingo ABC trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

CITB Op/Spec HS&E test App Store page →Learn to Read - Duolingo ABC App Store page →

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Compare another pair

FAQ

Which makes more money, CITB Op/Spec HS&E test or Learn to Read - Duolingo ABC? v
Learn to Read - Duolingo ABC earns about $28.5K per month, while CITB Op/Spec HS&E test earns about $112. That is a 254.2× revenue gap (~$28.4K more per month for Learn to Read - Duolingo ABC). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Learn to Read - Duolingo ABC ≈ $341.6K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, CITB Op/Spec HS&E test or Learn to Read - Duolingo ABC? v
Learn to Read - Duolingo ABC leads with about 296K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 493.7× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Learn to Read - Duolingo ABC's App Store downloads are estimated from 4K ratings.
Are CITB Op/Spec HS&E test and Learn to Read - Duolingo ABC 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.
Do CITB Op/Spec HS&E test and Learn to Read - Duolingo ABC have in-app purchases? v
CITB Op/Spec HS&E test does not appear to offer in-app purchases on its public listing. Learn to Read - Duolingo ABC does not appear to offer in-app purchases. Monetization model: CITB Op/Spec HS&E test runs "Paid app ($6.99)", Learn to Read - Duolingo ABC runs "Subscription (~$14.00/mo, language)".
Which has better ratings, CITB Op/Spec HS&E test or Learn to Read - Duolingo ABC? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.2 (gap of 0.8 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Learn to Read - Duolingo ABC 4K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Learn to Read - Duolingo ABC 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 $28.5K for Learn to Read - Duolingo ABC 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 CITB Op/Spec HS&E test or Learn to Read - Duolingo ABC 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.