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74
BU Score
Strong

読めないと恥ずかしい漢字

4.8 ✍️ Editor
✍️ bumetric analysis

読めないと恥ずかしい漢字 is an Android app from nullhouse in the Education category, currently rated 4.8★ across 19,776 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Our BU Score puts it at 74: Strong (healthy traction). For a Education app, that means healthy traction.

Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Mid install base (19,776 ratings)METRIC
+$5,500
Excellent rating (4.8★)METRIC
+$2,200
Ad-supported / freemiumMETRIC
+$600
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.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v3.5.0🔄 updated 10mo ago📂 Education💰 Free

📝 About this app

Monthly, change, articles of incorporation, sweep, general purpose, gradual, vulnerable, reminder ...
Is it embarrassing if you can't read this? !!
◆ ◇ Celebration exceeded 2 million downloads! ◇ ◆
It is a completely free kanji quiz app.

☆ Before feeling embarrassed in public!
Even if you think you can read it normally, you may have read it incorrectly.
Some kanji I didn't know before! ??
Test your kanji skills with the kanji quiz!

☆ Brain training in a short time!
Since there are 10 questions at a time, you can do brain teasers in a little spare time!… View full description on the official store →

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
読めないと恥ずかしい漢字
Developer
nullhouse
Bundle ID
com.zmako.kanji
App Store URL
Open in App Store
Category
Education
Content rating
Not found
Languages
Not found

Company

Website
Not found
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
$1.3K/mo
Top-grossing rank
Not found
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
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.

More by nullhouse

View all →

Similar apps in Education

Full revenue analysis
Read the article-style breakdown for 読めないと恥ずかしい漢字: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →