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40
BU Score
Emerging

GENKI Vocab for 3rd Ed.

3.0 ✍️ Editor
✍️ BU Analytics Review

GENKI Vocab for 3rd Ed. is an iOS app from The Japan Times Publishing, Ltd. in the News category, currently rated 3.0★ across 105 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 40Emerging (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.

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue 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 8 of 8 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Paid app ($0.00)METRIC
+$2,800
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
Below-average rating (3.0★)METRIC
−$1,500
too expensiveREVIEW
−$1,000
Established app (5y old)METRIC
+$800
Early-stage install base (105 ratings)METRIC
+$400
Single-language (English only)METRIC
−$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 24
Aug 24
Sep 24
Oct 24
Jan 25
Feb 25
Jun 25
Sep 25
Dec 25
Feb 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 177 MB🔞 4+📱 iOS 15.6+🔖 v1.4🔄 updated 4mo ago🌐 EN📂 News💰 Free🚀 Launched 2020 (5y old)

📝 About this app

Learn elementary Japanese words at your own pace!
GENKI Vocab for 3rd Ed. is an app that enables users to learn more than 1,200 words essential for beginners.

This is the official iPhone app for the 3rd edition of GENKI: An Integrated Course in Elementary Japanese, a best-selling series of Japanese learning materials boasting more than 2 million copies sold worldwide.

Advantages
◆Users can view the words and listen to the recordings as they like, enabling them to study at their own pace.
◆By repeating a process of memorization and self-checking, learners can firmly master important beginning-level vocabulary.
◆Words already memorized are progressively removed from the study set, so users can concentrate on just the words that challenge them, making for a more efficient approach to learning.

Study methods and functions
This app has three main modes: Study, Check, and List.

◇ "Study" allows users to view the words, their meanings, and the example sentences over and over, so they can take their time learning.
・Audio recordings of all words and example sentences are provided with natural pronunciations by native speakers of Japanese. (Please set your iPhone to Ring mode to hear the audio playback.)
・Fun illustrations help users to better retain the words studied.
・Users can bookmark the words they like. The bookmarked words are compiled in the Bookmark list in "List."

◇ “Check” helps learners to track their mastery.
・Users check their understanding of the vocabulary studied and sort the words into those mastered and those not yet retained.
・The words already mastered are taken out of the study set, leaving behind just those that still need to be worked on.

◇ “List” displays a list of all words covered by the app so that users can see their progress and review the vocabulary.
・The list can be arranged in any of three orderings: lesson order, a-i-u-e-o order, and alphabetical order. The words bookmarked in the Study mode are also listed in the Bookmark list.
・Checkmarks are automatically placed next to words that have been mastered.
・The Study view of words can be displayed from the list entries, enabling quick review.


○This app is based on the vocabulary from the third edition of GENKI.
○Ads: The app does not display any ads that might interfere with learning.

🆕 What's New · v1.4

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 Vocab for 3rd Ed.
Developer
The Japan Times Publishing, Ltd.
Bundle ID
jp.co.japantimes.genkivocab2
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
$3.2K/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
LinkedIn
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
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth105 ratings+10400% lifetimeShow 3-year history estimate ▾Dec 2020Apr 2024May 2026
Tracked (55 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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