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百人一首 簡単に暗記

0
Quality Score
Niche

百人一首 簡単に暗記

Low confidence
✍️ Editor
✍️ bumetric analysis

百人一首 簡単に暗記 is an Android app from Rei Matsushita in the Education category, currently rated across few ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 0: Niche (micro-niche or pre-traction stage). For a Education app, that means micro-niche or pre-traction stage. 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.

💰 Monthly revenue · now vs forecast
● Right now
$618
per month
12-mo forecast
$541 – $1949
per month
24-mo forecast
$501 – $4508
per month
INDIE tier
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📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
ONE-TIME · BUILD 💰 Estimated build cost
$95K
What it cost to build · not monthly revenue
Likely range $70K – $130K
$25K · MVP floor $100K · indie scale $500K+ · studio build
📈 Slow ROI — current MRR is well below build cost

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.

Where the money goes
🧱 MVP baseline (design + 1-store ship) +$28K
📱 5 unique screens × $4.5K +$22K
Education complexity ×1.20 +$10K
🌐 Cross-platform reach (iOS + Android) +$33K
Total estimate $95K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$10K
What it would sell for · not monthly revenue
Marketplace range $5K – $15K · 16× MRR multiple
💸 ~0.1× build cost (under-water)

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.

How the multiple was built
📺 Ad-supported base 15× MRR
🏷 Education category multiple +6%
Final multiple 16× MRR
🔬

How we forecast this revenue

LOW CONFIDENCE
Baseline
$618/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$526 – $1.2K
12 months
$541 – $1.9K
24 months
$501 – $4.5K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊

BU Investment Matrix

Early-stage solo · 43/100INDIE TIERexpected for tier
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
3.9
Product Quality
7.9
Revenue Strength
2.8
Monetization Maturity
1.0
Defensibility
3.5
Market Position
0.0
Operational Safety
10.0
  • 💰 Revenue: Marginal — $247 - $1546/mo · INDIE tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 4.4★ across 1,966 reviews — strong (top 10%).
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: Insufficient signal to assess trajectory.
  • ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $11K-$19K.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
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.

📈 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.

Profile & Insights

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

Identification

App name
百人一首 簡単に暗記
Developer
Rei Matsushita
Bundle ID
me.rei_m.hyakuninisshu
App Store URL
Open in App Store
Category
Education
Content rating
Not found
Languages
Not found

Company

Website
rei-m.github.io
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
$618/mo
Top-grossing rank
Not found
All-time revenue
Not found
Pricing
Not found

Founder

Founder data not yet collected for this app.

Funding

Funding data not yet collected for this app.

Press & Links

Press & Links data not yet collected for this app.

Contacts & Socials

Contacts & Socials data not yet collected for this app.
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.

📝 About this app

百人一首を暗記するためのアプリです。出題範囲や決まり字などの条件を指定して百人一首の暗記ができます。アプリならではの操作性でさくさく暗記しましょう。

★ 出題形式について
歌の出題形式は上の句が表示され、その対となる下の句を4択から選択する形式です。読み上げ機能はありませんが、1文字ずつ表示することで出来るだけ読み上げに近い雰囲気で練習できます。場所を選ばずどこでも気軽に百人一首の暗記ができます。

★ 機能
■ 練習
百人一首の出題範囲、決まり字、漢字/仮名表記を指定して効果的に暗記することができます。五色の指定も対応したので、色単位に覚えたい方にもおすすめです。練習後は間違えた問題だけ復習する機能も実装しています。繰り返し練習することで効率良く百人一首を習得しましょう。

■ 力試し
百人一首の総復習として全百首がランダムに出題されます。結果は最大十回まで端末に保存され、過去間違えた問題だけ練習することもできます。

■ 資料
百人一首の資料です。読み方や現代語訳を確認できます。

■ アプリについて
「百人一首 簡単に暗記」は無料のアプリです。一部画面に広告を表示していますが、練習中には邪魔にならないように表示しないようになっています。

★ ご意見・ご要望など… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v4.0.2🔄 updated 0d ago📂 Education💰 Free📺 Ad-supported
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📝 Description

95
BU Score · Transcendent

More by Rei Matsushita

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📦 Portfolio summaryINDIE studio
2apps·$814/mocombined
Lead-app heavy — top app contributes 76%

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About this analysis
ZCAnalyzed by Zakhar Chumak · founder, bumetric·Full methodology·Low confidence

Why low confidence: only 0 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.

📌 Final verdict — read this before you trust the numbers above

百人一首 簡単に暗記 is a very early-stage Android app in the education space with weak public traction — only 0 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.

Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.

Frequently Asked Questions

3 answers · auto-generated from this app's public data
How much does 百人一首 簡単に暗記 make per month?
Low-confidence model estimate. 百人一首 簡単に暗記 has only 0 App Store ratings, so our revenue model has very little signal to work with — treat the ~$618/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.
What apps are like 百人一首 簡単に暗記?
Browse the full Education category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes 百人一首 簡単に暗記?
百人一首 簡単に暗記 is published by Rei Matsushita on the Google Play Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.