Japanese Study (hiragana)

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Japanese Study (hiragana)
Japanese Study (hiragana) is an Android app from SKYAPPS in the Education category, currently rated 4.5★ across 8,937 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 70: Strong (healthy traction). For a Education app, that means healthy traction. 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 ≥ 4.4 (solid) | +8% |
| 🏷 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 · 51/100MID TIERunderperforming peers- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.53★ across 8,937 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 354d ago — slow cadence.
- ⚠️ Risk: Low — no material risk signals detected.
💰 Forecast Revenue / mo
MODEL| Excellent rating (4.5★)METRIC | +$2,200 | |
| Low install base (8,937 ratings)METRIC | +$1,500 | |
| Mature app (12y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVEProfile & Insights
Identification
- App name
- Japanese Study (hiragana)
- Developer
- SKYAPPS
- Bundle ID
- com.nulltree.skyapps.japstudy
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- skyapps81.blogspot.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
- $1.0K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Funding
Press & Links
Contacts & Socials
📈Ratings growth8,937 ratings+33% lifetimeShow 3-year history estimate ▾
📝 About this app
Do you want to study Japanese?
If so, you should memorize the first Japanese characters.
There is an app that allows you to memorize the quickest Japanese character.
Hiragana, of course, will be able to study with them katakana.
This is the biggest advantage of this app.
If the study only one week from the mouth, you will be able to proceed to the next step immediately.
This app provides the following features:.
1. Letter Study
- One character can learn.
- You can write and pronounce to hear.
2. Line Study
- You can study by line.… View full description on the official store →
Track this app’s revenue
FREE📝 Description
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View all →Why medium confidence: 8,937 ratings · no founder-verified revenue (model estimate only).




