44
BU Score
Emerging
GENKI Conjugation Cards
✍️ BU Analytics Review
“
GENKI Conjugation Cards is an iOS app from The Japan Times Publishing, Ltd. in the News category, currently rated 2.8★ across 20 ratings. Initial signal reads as mostly critical sentiment so far — users flag rough edges and unmet expectations.
Our BU Score puts it at 44 — Emerging (early traction worth watching). For a News app, that means early traction worth watching.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($5.99)METRIC | +$2,800 | |
| excellent appREVIEW | +$1,500 | |
| Below-average rating (2.8★)METRIC | −$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (20 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
May 24
Jul 24
Aug 24
Jun 25
Jul 25
Nov 25
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 98 MB🔞 4+📱 iOS 15.6+🔖 v3.2🔄 updated 4mo ago🌐 EN📂 News💰 Paid🚀 Launched 2015 (11y old)
📝 About this app
Firmly master the conjugation of Japanese verbs and adjectives!
This app helps you to master the conjugation of elementary verbs and adjectives through practice at your own pace.
It marks the third official iPhone app for GENKI: An Integrated Course in Elementary Japanese, a best-selling series of Japanese learning materials boasting more than 1.2 million copies sold.
Advantages
•You can view the cards and listen to the recordings as you like, enabling you to study at your own pace.
•The different conjugations are mastered through two types of practice: saying the conjugated forms aloud or typing them.
•All conjugation forms studied at the elementary level are covered: 18 for verbs and 10 for adjectives
•As you go through each conjugation card deck, the cards answered correctly are automatically removed, allowing you to efficiently focus on the trickier words in the next round of practice.
Study methods
MyDeck: Practice each word by looking at the cards and repeatedly saying the conjugated forms aloud.
(1) Each card has a word and the conjugation type to be practiced. Say the word in the conjugated form indicated.
(2) Tap the sound icon to check whether you said the conjugated form correctly.
(3) Tap the * icon to check the conjugated form in writing.
(4) Study the use of the conjugated form by referring to the example sentence and illustration on the back side of the card.
(5) Tap the Rule icon to see the conjugation rule.
Check: Test your retention of each conjugated form by typing in your answers.*
(1) Type in the conjugated form as instructed.
(2) If you entered the correct form, the card will be removed from MyDeck. Cards answered incorrectly or skipped will remain in the deck for further practice.
*To study with the Check method, you will need to add a Japanese keyboard to your iPhone settings before starting.
Handy features
•Menu
The study selections are grouped together in a single menu to allow you to practice more efficiently.
•List
All conjugation forms of each word are listed in this feature, with the words arranged in a-i-u-e-o order. A check mark is displayed next to each conjugation form that has been mastered and the MyDeck card for each entry can be opened, allowing you to review the conjugations via the list.
•Rule
This feature lists the rules for all 28 conjugation types covered by the app, enabling you to quickly look up the way to form conjugations such as the passive, the causative, the causative passive, and the tricky te-form.
•MyDeck Shuffle Mode
Activating this mode will cause the app to display the MyDeck cards in random order, rather than the default order. Shuffling the deck will help you to more firmly master the material.
•Tutorials
The tutorials provide helpful lessons on how to add a Japanese keyboard and operate each function.
—This app is based on the second edition of GENKI.
—Ads: The app does not display any ads that might interfere with learning.
This app helps you to master the conjugation of elementary verbs and adjectives through practice at your own pace.
It marks the third official iPhone app for GENKI: An Integrated Course in Elementary Japanese, a best-selling series of Japanese learning materials boasting more than 1.2 million copies sold.
Advantages
•You can view the cards and listen to the recordings as you like, enabling you to study at your own pace.
•The different conjugations are mastered through two types of practice: saying the conjugated forms aloud or typing them.
•All conjugation forms studied at the elementary level are covered: 18 for verbs and 10 for adjectives
•As you go through each conjugation card deck, the cards answered correctly are automatically removed, allowing you to efficiently focus on the trickier words in the next round of practice.
Study methods
MyDeck: Practice each word by looking at the cards and repeatedly saying the conjugated forms aloud.
(1) Each card has a word and the conjugation type to be practiced. Say the word in the conjugated form indicated.
(2) Tap the sound icon to check whether you said the conjugated form correctly.
(3) Tap the * icon to check the conjugated form in writing.
(4) Study the use of the conjugated form by referring to the example sentence and illustration on the back side of the card.
(5) Tap the Rule icon to see the conjugation rule.
Check: Test your retention of each conjugated form by typing in your answers.*
(1) Type in the conjugated form as instructed.
(2) If you entered the correct form, the card will be removed from MyDeck. Cards answered incorrectly or skipped will remain in the deck for further practice.
*To study with the Check method, you will need to add a Japanese keyboard to your iPhone settings before starting.
Handy features
•Menu
The study selections are grouped together in a single menu to allow you to practice more efficiently.
•List
All conjugation forms of each word are listed in this feature, with the words arranged in a-i-u-e-o order. A check mark is displayed next to each conjugation form that has been mastered and the MyDeck card for each entry can be opened, allowing you to review the conjugations via the list.
•Rule
This feature lists the rules for all 28 conjugation types covered by the app, enabling you to quickly look up the way to form conjugations such as the passive, the causative, the causative passive, and the tricky te-form.
•MyDeck Shuffle Mode
Activating this mode will cause the app to display the MyDeck cards in random order, rather than the default order. Shuffling the deck will help you to more firmly master the material.
•Tutorials
The tutorials provide helpful lessons on how to add a Japanese keyboard and operate each function.
—This app is based on the second edition of GENKI.
—Ads: The app does not display any ads that might interfere with learning.
🆕 What's New · v3.2
We have complied with the latest age rating settings. The app content remains unchanged.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- GENKI Conjugation Cards
- Developer
- The Japan Times Publishing, Ltd.
- Bundle ID
- jp.co.japantimes.genkiconj
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN
Company
- Website
- bookclub.japantimes.co.jp
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $10.8K/mo
- Top-grossing rank
- Outside top 100 in US News
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth20 ratings+1900% lifetimeShow 3-year history estimate ▾
Tracked (22 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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