DuoCards - Vocabulary Builder vs 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話
DuoCards - Vocabulary Builder
DuoCards
Google Play
$300.7K/mo
~$3.61M/yr · 5.4M installs
VS
英語勉強 mikan 英語の学習 TOEIC/英検®/英会話
mikan Co., Ltd.
Google Play
$84.2K/mo
~$1.01M/yr · 2.2M installs
Revenue winner
DuoCards - Vocabulary Builder wins
+257% vs other
Installs winner
DuoCards - Vocabulary Builder wins
+145% vs other
MAU winner
DuoCards - Vocabulary Builder wins
+145% vs other
Rating winner
英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 wins
+1% vs other
Why DuoCards - Vocabulary Builder is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- DuoCards - Vocabulary Builder earns roughly 4× more per month than 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 - $300.7K vs $84.2K.
- Premium pricing. DuoCards - Vocabulary Builder charges $26.94/mo vs 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話's $18.12/mo - higher ARPU per converted user.
- Bigger install base. DuoCards - Vocabulary Builder has ~5.4M lifetime installs vs 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話's ~2.2M - 2.5× the funnel top.
→ Find more apps with this revenue gap · Full DuoCards - Vocabulary Builder report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
DuoCards - Vocabulary Builder
vs
英語勉強 mikan 英語の学習 TOEIC/英検®/英会話
Monthly revenue (est.)?
$300.7K
◀
$84.2K
Annual revenue (est.)
$3.61M
◀
$1.01M
Lifetime installs (est.)
5.4M
◀
2.2M
Monthly active users (est.)?
664K
◀
271K
App Store rating
4.46★
▶
4.51★
Total ratings
53K
◀
28K
US grossing rank
-
=
-
Cheapest monthly sub
$26.94
◀
$18.12
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Education
- Price
- Free
- Released
- Apr 4, 2020
- Last updated
- Jan 21, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 1.20.15
- Languages
- -
- Category
- Education
- Price
- Free
- Released
- May 8, 2016
- Last updated
- Jun 23, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 7.40.0
- Languages
- -
DuoCards - Vocabulary Builder trajectory
英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 trajectory
FAQ
Which makes more money, DuoCards - Vocabulary Builder or 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話? v
DuoCards - Vocabulary Builder earns about $300.7K per month, while 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 earns about $84.2K. That is a 3.6× revenue gap (~$216.5K more per month for DuoCards - Vocabulary Builder). Annual revenue: DuoCards - Vocabulary Builder ≈ $3.61M/year, 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 ≈ $1.01M/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, DuoCards - Vocabulary Builder or 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話? v
DuoCards - Vocabulary Builder leads with about 5.4M estimated downloads vs 2.2M for 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 - a 2.5× gap. DuoCards - Vocabulary Builder reports 5,000,000+ installs on Google Play. 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 reports 1,000,000+ installs on Google Play.
Are DuoCards - Vocabulary Builder and 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 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 DuoCards - Vocabulary Builder and 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 offer? v
DuoCards - Vocabulary Builder: IAP range $6.70 - $108.33 per item. 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話: IAP range $1.99 - $164.99 per item. DuoCards - Vocabulary Builder runs a "Subscription (~$26.94/mo, language)" monetization model; 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 runs "Subscription (~$18.12/mo, language)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, DuoCards - Vocabulary Builder or 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話? v
英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 edges ahead with ★ 4.5 vs ★ 4.5 (gap of 0.0 stars). Rating volume: DuoCards - Vocabulary Builder 659 ratings, 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 25 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these DuoCards - Vocabulary Builder vs 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $300.7K for DuoCards - Vocabulary Builder and $84.2K for 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 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 DuoCards - Vocabulary Builder or 英語勉強 mikan 英語の学習 TOEIC/英検®/英会話 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.