← Check another app
REV.NOW
DuoCards - Vocabulary Builder earns about
$296.0K/month
range $162.8K – $429.2K · $3.55M/year
Live data · refreshed every hour
Per Day
$9.9K
$5.4K – $14.3K
Per Week
$69.1K
$38.0K – $100.1K
Per Month
$296.0K
$162.8K – $429.2K
Per Year
$3.55M
$1.95M – $5.15M
Lifetime
$8.88M
$4.88M – $12.88M
BUILD THIS BETTER · INDIE PLAYBOOK
A specific clone-and-improve plan for DuoCards - Vocabulary Builder
Auto-generated from this app's real revenue ($296.0K/month · $3.55M/year), monetization model, rating signals and category. Every line is calibrated to this app, not generic advice.
53/100
Opportunity
40/100
Cloneability
$2
Revenue / install
✓ Features to copy
- subscription paywall (~$26.94/mo) - proven monetization
- in-app purchase tier ladder for upsells
- streaks + daily reminders for retention
⚡ Improve / fix
- subscription is $26.94/mo - undercut by 30-50% to win price-sensitive users
🛠 MVP scope
- lesson content (curated)
- streak tracker
- XP/level system
- audio playback
- subscription paywall
💰 Pricing recommendation
DuoCards - Vocabulary Builder charges ~$26.94/mo. Competitive entry: $16.16/mo or annual at $97/year (50% off annual is the standard hook).
🔡 App Store title ideas
Pro: AI-Powered EducationSmart : Education Tracker+ - Faster, Cheaper
📺 TikTok / ad hook angles
- "I tried DuoCards - Vocabulary Builder for 30 days - here's what I'd do differently"
- "Why DuoCards - Vocabulary Builder costs $26.94/mo when ours costs $16.16"
- "The education app DuoCards - Vocabulary Builder won't tell you these 3 things"
Monetization
Subscription (~$26.94/mo, language)Revenue mix (estimated)
- Subscriptions ~72%
- One-time IAP ~22%
- Ads ~6%
Paying users (est.)
5.3M installs · 12.4% active · 1.2% pay
Profile: Language
In-App Purchases
- Sub Subscription tier $6.70/month
- Sub Subscription tier $108.33/month
Subscription tiers parsed from store description.
App Details
Pulled from Google Play- Current Version
- 1.20.15
- Released
- Apr 4, 2020
- Last Updated
- Jan 21, 2026
- Required OS
- 7.0
- Content Rating
- Everyone
- Category
- Education
- Price
- Free
- Currency
- USD
- Developer
- DuoCards
What's new in v1.20.15
AI Roleplay - Practice real-world conversations in simulated scenarios
AI Stories - Interactive stories with comprehension exercises
Bookmarks - Save your current progress in an article for later
Transliteration - Read Chinese, Arabic, Japanese scripts easily
Auto Dark Mode - Study comfortably day or night
Smarter Translations - Context-aware translations
AI Grammar Feedback - Accurate corrections with explanations
Fun Numbers - share these
$0
every second
$7
every minute
$411
every hour
$9.9K
every day
- ☕ Buys 2K $5 coffees every day
- 👨💻 Pays for 20 senior engineer salaries per year
- 🚗 Earns enough for 85 Tesla Model 3s annually
- ⏱️ Earns the price of a coffee in 44 seconds
12-Month Revenue Trajectory
Modeled from grossing rank, app score, and update cadence. Hover any point to see the value. Real growth depends on retention, marketing, and seasonality.
Total Installs
5.3M
Reported: 5,000,000+
Active Users (MAU est.)
653K
12.4% of installs · language profile benchmark · cumulative-install decay × 0.5
Rating
4.47 ★
646 reviews
Monetization
Subscription (~$26.94/mo, language)
IAP: $6.70 - $108.33 per item
Rating Distribution
5★
38K
4★
7K
3★
2K
2★
1K
1★
3K
Compare DuoCards - Vocabulary Builder or explore similar apps
Education · Google Play · pick a head-to-head or jump to a leaderboard.
Popular head-to-head comparisons
Frequently Asked About DuoCards - Vocabulary Builder
How much money does DuoCards - Vocabulary Builder make on Google Play? ⌄
DuoCards - Vocabulary Builder has an estimated Play Store revenue of $296.0K per month (~$3.55M per year, $9.9K per day) with a likely range of $162.8K to $429.2K. This sums earnings from in-app purchases, subscription revenue, ad monetization and any paid downloads on Google Play - directional estimates from public signals only.
How many Play Store downloads does DuoCards - Vocabulary Builder get? ⌄
Google Play publishes install ranges (e.g. 1M+, 10M+, 100M+). DuoCards - Vocabulary Builder reports 5,000,000+ installs. Rev.now combines that range with ratings, reviews, grossing rank and category trends to estimate roughly 5.3M total downloads and 653K monthly active users on Android.
Is DuoCards - Vocabulary Builder a top grossing Android app and what is its Play Store rank? ⌄
DuoCards - Vocabulary Builder is analyzed using Google Play grossing rank, category ranking, install range, ratings velocity, monetization model (subscription revenue, in-app purchases, paid downloads) and ad-revenue signals. Compare it to other highest-grossing Android apps on the Play Store leaderboard.
How is DuoCards - Vocabulary Builder Play Store revenue estimated? ⌄
Rev.now estimates DuoCards - Vocabulary Builder Play Store revenue from public app data: Google Play download ranges, monthly active users (MAU), Android paying-user conversion, scraped subscription pricing, in-app purchase ranges ($6.70 - $108.33 per item), ad monetization (eCPM × impressions × MAU) and the Education category ARPU benchmark - net of Google's 15-30% Play Store cut.
What in-app purchases and subscriptions does DuoCards - Vocabulary Builder offer on Android? ⌄
DuoCards - Vocabulary Builder offers in-app purchases ($6.70 - $108.33 per item) on Google Play, which usually means subscription tiers (weekly, monthly, annual), virtual currency or one-time unlocks. Subscription revenue and IAP earnings are usually the biggest contributors to monthly Play Store revenue.
Can I compare DuoCards - Vocabulary Builder Play Store revenue with another Android app? ⌄
Yes. Use the free compare tool to compare DuoCards - Vocabulary Builder side-by-side with any other Google Play app by estimated revenue, downloads, paying users, subscription pricing, in-app purchase tiers, grossing rank and monetization model.
Does Rev.now show exact Play Store revenue for DuoCards - Vocabulary Builder? ⌄
No - Rev.now shows estimated Play Store revenue, in-app purchase earnings and subscription revenue for DuoCards - Vocabulary Builder. Exact financial data, paying-user counts and ad income are private to Google and the developer; Rev.now does not have access to Play Console or developer payouts.
