読めなくても恥ずかしくない難漢字

67
読めなくても恥ずかしくない難漢字 is an Android app from nullhouse in the Education category, currently rated 5.0★ across 3,036 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 67: Solid (established niche player). For a Education app, that means established niche player. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
📊 Performance Tracking LIVE
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| ⚙ Education complexity ×1.20 | +$10K |
| 🌐 Cross-platform reach (iOS + Android) | +$33K |
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
How we forecast this revenue
MEDIUM CONFIDENCEBU Investment Matrix
Below median · 48/100MID TIERunderperforming peers- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 5.0★ across 3,036 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 389d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (389d since update).
💰 Forecast Revenue / mo
MODEL| Excellent rating (5.0★)METRIC | +$2,200 | |
| Low install base (3,036 ratings)METRIC | +$1,500 | |
| Mature app (13y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVEProfile & Insights
Identification
- App name
- 読めなくても恥ずかしくない難漢字
- Developer
- nullhouse
- Bundle ID
- com.zmako.kanji2
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- nullhouse.info
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $172/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Funding
Press & Links
Contacts & Socials
📝 About this app
Is it really cool if you can read such kanji? !!
◆ ◇ Celebration exceeded 100,000 downloads! ◇ ◆
It is a kanji application for advanced users who is not embarrassed even if they cannot read it.
☆ Brain training in a short time!
Since there are 10 questions at a time, you can do brain teaser in a little spare time!
Let's find mistakes immediately by matching the answers to each question quickly!
Feel free to study kanji at your own pace to kill time while waiting!
☆ The number of problems that are very satisfying!… View full description on the official store →
Tech & Domain Intel — nullhouse.info
- Tech stack
- Google Workspace
Track this app’s revenue
FREE📝 Description
95
More by nullhouse
View all →Why medium confidence: 3,036 ratings · no founder-verified revenue (model estimate only).




