Busuu: Learn & Speak Languages vs DuoCards - Vocabulary Builder
Busuu: Learn & Speak Languages
Busuu
Google Play
$1.11M/mo
~$13.31M/yr · 56.0M installs
VS
DuoCards - Vocabulary Builder
DuoCards
Google Play
$296.1K/mo
~$3.55M/yr · 5.3M installs
Revenue winner
Busuu: Learn & Speak Languages wins
+274% vs other
Installs winner
Busuu: Learn & Speak Languages wins
+962% vs other
MAU winner
Busuu: Learn & Speak Languages wins
+543% vs other
Rating winner
Busuu: Learn & Speak Languages wins
+5% vs other
Why Busuu: Learn & Speak Languages is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Busuu: Learn & Speak Languages earns roughly 4× more per month than DuoCards - Vocabulary Builder - $1.11M vs $296.1K.
- Aggressive pricing. Busuu: Learn & Speak Languages undercuts at $12.97/mo vs $26.94/mo - converts a higher % of free users.
- Bigger install base. Busuu: Learn & Speak Languages has ~56.0M lifetime installs vs DuoCards - Vocabulary Builder's ~5.3M - 10.6× the funnel top.
→ Find more apps with this revenue gap · Full Busuu: Learn & Speak Languages report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Busuu: Learn & Speak Languages
vs
DuoCards - Vocabulary Builder
Monthly revenue (est.)?
$1.11M
◀
$296.1K
Annual revenue (est.)
$13.31M
◀
$3.55M
Lifetime installs (est.)
56.0M
◀
5.3M
Monthly active users (est.)?
4.2M
◀
653K
App Store rating
4.67★
◀
4.47★
Total ratings
1.1M
◀
51K
US grossing rank
-
=
-
Cheapest monthly sub
$12.97
▶
$26.94
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Education
- Price
- Free
- Released
- Jul 29, 2011
- Last updated
- May 8, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 32.36.0(1629819)
- Languages
- -
- Category
- Education
- Price
- Free
- Released
- Apr 4, 2020
- Last updated
- Jan 21, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 1.20.15
- Languages
- -
Busuu: Learn & Speak Languages trajectory
DuoCards - Vocabulary Builder trajectory
FAQ
Which makes more money, Busuu: Learn & Speak Languages or DuoCards - Vocabulary Builder? v
Busuu: Learn & Speak Languages earns about $1.11M per month, while DuoCards - Vocabulary Builder earns about $296.1K. That is a 3.7× revenue gap (~$812.8K more per month for Busuu: Learn & Speak Languages). Annual revenue: Busuu: Learn & Speak Languages ≈ $13.31M/year, DuoCards - Vocabulary Builder ≈ $3.55M/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Busuu: Learn & Speak Languages or DuoCards - Vocabulary Builder? v
Busuu: Learn & Speak Languages leads with about 56.0M estimated downloads vs 5.3M for DuoCards - Vocabulary Builder - a 10.6× gap. Busuu: Learn & Speak Languages reports 50,000,000+ installs on Google Play. DuoCards - Vocabulary Builder reports 5,000,000+ installs on Google Play.
Are Busuu: Learn & Speak Languages and DuoCards - Vocabulary Builder in the same Google Play 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.
What in-app purchases and subscription pricing do Busuu: Learn & Speak Languages and DuoCards - Vocabulary Builder offer? v
Busuu: Learn & Speak Languages: IAP range $0.99 - $169.99 per item. DuoCards - Vocabulary Builder: IAP range $6.70 - $108.33 per item. Busuu: Learn & Speak Languages runs a "Subscription (~$12.97/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, Busuu: Learn & Speak Languages or DuoCards - Vocabulary Builder? v
Busuu: Learn & Speak Languages edges ahead with ★ 4.7 vs ★ 4.5 (gap of 0.2 stars). Rating volume: Busuu: Learn & Speak Languages 18K ratings, DuoCards - Vocabulary Builder 648 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Busuu: Learn & Speak Languages vs DuoCards - Vocabulary Builder revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $1.11M for Busuu: Learn & Speak Languages and $296.1K for DuoCards - Vocabulary Builder are derived from Google Play 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 Busuu: Learn & Speak Languages or DuoCards - Vocabulary Builder to a different Google Play app? v
Use the search box at the bottom of this page or paste any two 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.