How much does はじめての百人一首 make per month?

Low-confidence model estimate. はじめての百人一首 has only 0 App Store ratings, so our revenue model has very little signal to work with — treat the ~$104/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 はじめての百人一首?

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.

What is はじめての百人一首 built with?

Our heuristic places はじめての百人一首 on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.

Is はじめての百人一首 still actively maintained?

Maintenance status: At risk (50% abandonment risk). Last shipped version was 7 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

When was はじめての百人一首 last updated?

はじめての百人一首 last shipped a new version on 2025-10-08 — 7 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes はじめての百人一首?

はじめての百人一首 is published by Happymeal Inc. 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.

Quality Score

Niche

はじめての百人一首

Name: はじめての百人一首 — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: はじめての百人一首 revenue, はじめての百人一首 app analytics, mobile app revenue estimate, Education revenue, Android app revenue

Low confidence

— ✍️ Editor

Education

✍️ bumetric analysis

“

はじめての百人一首 is an Android app from Happymeal Inc. in the Education category, currently rated — across few ratings. Initial signal reads as early reviews are neutral, awaiting larger sample.

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

$500

per month

→

12-mo forecast

$437 – $1575

per month

→

24-mo forecast

$405 – $3644

per month

INDIE tier

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Title & subtitle keyword fit
Description hook & conversion structure
Screenshots, ratings, reviews strategy

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Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

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idle

Rating

—

Reviews

—

Forecast Revenue / mo

—

Snapshots tracked

since first record

ONE-TIME · BUILD💰 Estimated build cost

$130K

↳ What it cost to build · not monthly revenue

Likely range $100K – $175K

$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
⚙6.4y maintenance × ~1-person team	+$38K

Total estimate$130K

🛠 Estimated tech stack

🤖

Native Android (Kotlin)

High confidence · 80%

Also possible

Flutter

Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.

Signals we read

🏷Category context	Education
📦Compact Android bundle	→ Native Kotlin

💀 Maintenance status

At risk

50%

Last shipped 2025-10-08 · 229 days ago

0 · Active50 · At risk100 · Abandoned

Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.

Risk signals

📅7 months since last update

Concerning gap

VerdictAt risk

🔬

How we forecast this revenue

LOW CONFIDENCE

Baseline

$500/mo · ML-estimated from 234 triggers

Growth rate

+6.0% MoM · INDIE tier baseline (compound monthly)

Direction

Headwinds: rating drift may slow acquisition

6 months

$426 – $993

12 months

$437 – $1.6K

24 months

$405 – $3.6K

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

Pre-traction · 38/100INDIE TIERlimited signal

Revenue Strength

2.7

Product Quality

0.0

Market Position

0.0

Growth Velocity

5.0

Defensibility

6.6

Operational Safety

9.0

Founder Strength

6.4

Monetization Maturity

1.0

💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: None★ across 0 reviews — weak — significant quality concerns.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: last update 229d ago — slow cadence.
⚠️ 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 = $9K-$16K. Portfolio play ($8K/mo combined) commands premium.

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.

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 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.

🗓️ 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 →

🔖 v1.1.7🔄 updated 7mo ago📂 Education💰 Free🚀 Launched 2019 (6y old)

📝 About this app

「はじめての百人一首」は、お子さまや、はじめて百人一首に触れる方に向けた、百人一首の入門アプリです。

楽しいかるたとりのゲームや、読み上げを聞くことで、効果的に百人一首を学ぶことができます。

「小倉百人一首」は、鎌倉時代に歌人の藤原定家によって撰ばれ、江戸時代から「かるた」として伝わる日本の伝統的な遊びです。 

小学4年生の国語の教科書にも採用され、その後の中学・高校での「古典」の授業にも繋がる大切な教材です。

「小倉百人一首」から最初に覚えておきたい有名な歌や季節の歌30首を、歌人・天野慶が厳選しました。

５７５７７の美しい言葉のリズムや、１０００年前の人たちの思いを感じながら、家族・友人みんなで楽しく遊んでください。

従来の「百人一首」とはちがい、読札、取札ともにかわいいオリジナルのイラストを入れています。字が読めなくても、同じ人物を探す、という単純な絵あわせからはじめられます。

イラストは歌の内容を表しているので、より一層歌の理解を深めることができます。

わかりやすい解説や、歌の訳もあります。

かるた「はじめての百人一首」にも使える30首の読み上げは、百人一首の暗唱にも役立ちます。

また、かるたとりのゲームを通して、百人一首の歌を楽しく覚えることができます。… View full description on the official store →

🔔

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Profile & Insights

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

Identification

App name: はじめての百人一首
Developer: Happymeal Inc.
Bundle ID: net.bonusstage.hyakunin
App Store URL: Open in App Store
Category: Education
Content rating: Not found
Languages: Not found

Company

Website: bonusstage.net
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: $104/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.