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75
BU Score
Strong

Japanisch Lernen: Kanji

4.9 ✍️ Editor
✍️ BU Analytics Review

Japanisch Lernen: Kanji is an iOS app from Olena Bachurina in the News category, currently rated 4.9★ across 1,936 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 75Strong (healthy traction). For a News app, that means healthy traction.

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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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
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 9 of 9 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Excellent rating (4.9★)METRIC
+$2,200
5 starREVIEW
+$1,800
excellent appREVIEW
+$1,500
Low install base (1,936 ratings)METRIC
+$1,500
Mature app (8y old)METRIC
+$1,500
Multilingual (13 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Sep 24
Oct 24
Dec 24
Feb 25
Apr 25
May 25
Jul 25
Sep 25
Oct 25
Dec 25
Jan 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 →
💾 182 MB🔞 4+📱 iOS 15+🔖 v2.3.12🔄 updated 1w ago🌐 EN, FR, DE, ID, IT +8📂 News💰 Paid🚀 Launched 2017 (8y old)

📝 About this app

Real hand writing experience for Hiragana, Katakana, and Kanji JLPT N5, N4, N3

Robokana is a handy tool for those who study Japanese and need to memorize the writing and reading of Kana and Kanjis.
It works like an interactive textbook:
*See the animation of strokes order and hear the pronunciation
*Draw with a finger right on the screen of your device
*Let the robot to check the work
*Repeat!

Kana features:
- Animated hints of stroke order
- Support of Dakuten & Handakuten sets
- Exam mode

Kanji features
- tons of Kanji related content: meanings, onyomi and kunyomi, kanji radicals, compounding words
- train your muscle memory via hand-writing
- do voice practice by reading aloud
- improve recognition on mix & match tasks

Other nice features:
- Possibility to create custom characters sets
- Customizable calligraphic brush
- Learning statistics


Please note, that only part of the content is available for free, App contains in-app purchases to unlock all content.

🆕 What's New · v2.3.12

Bug fixes & stability — Fixed a crash on iPad Air that occurred on the writing screen

Kanji session preview — Preview all kanji in your selected groups before starting a practice round

Smarter hint button on kana writing screen — The hint button now appears after a few seconds of inactivity if you get stuck mid-stroke

Profile & Insights

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

Identification

App name
Japanisch Lernen: Kanji
Developer
Olena Bachurina
Bundle ID
com.alyona.hiragana.free
App Store URL
Open in App Store
Category
News
Content rating
4+
Languages
EN, FR, DE, ID, IT, KO, PL, PT, RU, ZH, ES, TR, VI

Company

Website
www.facebook.com
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
$20.2K/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 growth1,936 ratings+4202% lifetimeShow 3-year history estimate ▾May 2021Feb 2024May 2026
Tracked (59 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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