EWA: Learn Languages vs DuoCards - Vocabulary Builder
EWA: Learn Languages
Lithium Lab Pte Ltd
App Store
$2.42M/mo
~$29.08M/yr · 28.6M installs
VS
DuoCards - Vocabulary Builder
DuoCards
Google Play
$296.0K/mo
~$3.55M/yr · 5.3M installs
Revenue winner
EWA: Learn Languages wins
+719% vs other
Installs winner
EWA: Learn Languages wins
+443% vs other
MAU winner
EWA: Learn Languages wins
+1003% vs other
Rating winner
EWA: Learn Languages wins
+6% vs other
Why EWA: Learn Languages is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- EWA: Learn Languages earns roughly 8× more per month than DuoCards - Vocabulary Builder - $2.42M vs $296.0K.
- Aggressive pricing. EWA: Learn Languages undercuts at $11.99/mo vs $26.94/mo - converts a higher % of free users.
- Bigger install base. EWA: Learn Languages has ~28.6M lifetime installs vs DuoCards - Vocabulary Builder's ~5.3M - 5.4× the funnel top.
- More monetization surfaces. EWA: Learn Languages runs 5 IAP tiers vs 0 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full EWA: Learn Languages report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
EWA: Learn Languages
vs
DuoCards - Vocabulary Builder
Monthly revenue (est.)?
$2.42M
◀
$296.0K
Annual revenue (est.)
$29.08M
◀
$3.55M
Lifetime installs (est.)
28.6M
◀
5.3M
Monthly active users (est.)?
7.2M
◀
653K
App Store rating
4.73★
◀
4.47★
Total ratings
191K
◀
51K
US grossing rank
-
=
-
Cheapest monthly sub
$11.99
▶
$26.94
IAP tiers detected
5 tiers
◀
0 tiers
- Category
- Education
- Price
- Free
- Released
- Apr 20, 2017
- Last updated
- May 7, 2026
- File size
- 413.5 MB
- Content rating
- 12+
- Version
- 7.123.0
- Languages
- Arabic, HY, AZ, Bulgarian, Croatian, Czech +36 more
- Category
- Education
- Price
- Free
- Released
- Apr 4, 2020
- Last updated
- Jan 21, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 1.20.15
- Languages
- -
EWA: Learn Languages trajectory
DuoCards - Vocabulary Builder trajectory
FAQ
Which makes more money, EWA: Learn Languages or DuoCards - Vocabulary Builder? v
EWA: Learn Languages earns about $2.42M per month, while DuoCards - Vocabulary Builder earns about $296.0K. That is a 8.2× revenue gap (~$2.13M more per month for EWA: Learn Languages). Annual revenue: EWA: Learn Languages ≈ $29.08M/year, DuoCards - Vocabulary Builder ≈ $3.55M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, EWA: Learn Languages or DuoCards - Vocabulary Builder? v
EWA: Learn Languages leads with about 28.6M estimated downloads vs 5.3M for DuoCards - Vocabulary Builder - a 5.4× gap. EWA: Learn Languages's App Store downloads are estimated from 191K ratings × the standard 1:75 ratio. DuoCards - Vocabulary Builder reports 5,000,000+ installs on Google Play.
Are EWA: Learn Languages and DuoCards - Vocabulary Builder 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 EWA: Learn Languages and DuoCards - Vocabulary Builder offer? v
EWA: Learn Languages: IAP range 5 tiers detected. DuoCards - Vocabulary Builder: IAP range $6.70 - $108.33 per item. EWA: Learn Languages runs a "Subscription (~$8.33/mo, language)" monetization model; DuoCards - Vocabulary Builder runs "Subscription (~$26.94/mo, language)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, EWA: Learn Languages or DuoCards - Vocabulary Builder? v
EWA: Learn Languages edges ahead with ★ 4.7 vs ★ 4.5 (gap of 0.3 stars). Rating volume: EWA: Learn Languages 191K ratings, DuoCards - Vocabulary Builder 646 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these EWA: Learn Languages vs DuoCards - Vocabulary Builder revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $2.42M for EWA: Learn Languages and $296.0K for DuoCards - Vocabulary Builder 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 EWA: Learn Languages or DuoCards - Vocabulary Builder 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.