75
Quality Score
Strong
Yahoo!カレンダー スケジュールアプリで管理
✍️ bumetric analysis
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Yahoo!カレンダー スケジュールアプリで管理 is an Android app from Yahoo! JAPAN (LY Corporation) in the Productivity category, currently rated 4.6★ across 91,069 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 75: Strong (healthy traction). For a Productivity 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.
💰 Revenue · today and ahead
Today
$5.0K/mo
In 12 months
$5.2K – $10.8K
In 24 months
$6.4K – $19.2K
MID tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$85K
↳ What it cost to build · not monthly revenue
Likely range $65K – $115K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~3.4y at current MRR
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 |
| ⚙Productivity complexity ×1.10 | +$5K |
| 🌐Cross-platform reach (iOS + Android) | +$30K |
Total estimate$85K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$35K
↳ What it would sell for · not monthly revenue
Marketplace range $25K – $45K · 18× MRR multiple
💸~0.4× 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 |
| ⭐★ rating ≥ 4.4 (solid) | +8% |
| 🏷Productivity category multiple | +8% |
Final multiple18× MRR
👥 Estimated audience size
6.8M
Lifetime downloads (US-equivalent)
Monthly active
2.0M
Daily active
900K
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.
How we sized it
| 📲Productivity engagement | ~75 installs / rating |
| 🔁Productivity D30 retention | 30% |
| 📍DAU / MAU stickiness | 0.45 |
DAU / MAU45% sticky
🛠 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 | Productivity |
| 📦Compact Android bundle | → Native Kotlin |
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 51/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
7.0
Product Quality
9.1
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
5.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.57★ across 91,069 reviews — exceptional (top 1% in category).
- 📍 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 = $90K-$160K. Portfolio play ($35K/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
MODELRevenue 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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (91,069 ratings)METRIC | +$5,500 | |
| Excellent rating (4.6★)METRIC | +$2,200 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device📂 Productivity💰 Free
📝 About this app
★★★★★★★★★★★★★★★★★★★★★★
<font color="red"><b>The definitive free schedule book app! Yahoo! Calendar</b></font>
<font color="red">[All functions can be used for free! 】</font>
★★★★★★★★★★★★★★★★★★★★★★
<b>★Easy to register your schedule★</b>
This is a popular and free calendar app that is intuitive and allows you to quickly register your schedule.
You can easily register your schedule by simply pasting the stamp on your calendar.
Stamps are free, and more stamps are added all the time, so you can use them for any purpose.… View full description on the official store →
<font color="red"><b>The definitive free schedule book app! Yahoo! Calendar</b></font>
<font color="red">[All functions can be used for free! 】</font>
★★★★★★★★★★★★★★★★★★★★★★
<b>★Easy to register your schedule★</b>
This is a popular and free calendar app that is intuitive and allows you to quickly register your schedule.
You can easily register your schedule by simply pasting the stamp on your calendar.
Stamps are free, and more stamps are added all the time, so you can use them for any purpose.… 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
- Yahoo!カレンダー スケジュールアプリで管理
- Developer
- Yahoo! JAPAN (LY Corporation)
- Bundle ID
- jp.co.yahoo.android.ycalendar
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- 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
- $2.1K/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.
More by Yahoo! JAPAN (LY Corporation)
View all →📦 Portfolio summaryINDIE studio
18apps·$35K/mocombined
✓ Diversified — top app contributes 11%; risk spread across portfolio
Similar apps in Productivity
Full revenue analysis
Read the article-style breakdown for Yahoo!カレンダー スケジュールアプリで管理: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
❓ Frequently Asked Questions
8 answers · auto-generated from this app's public dataHow much does Yahoo!カレンダー スケジュールアプリで管理 make per month?▾
Based on our ML-calibrated revenue forecast, Yahoo!カレンダー スケジュールアプリで管理 earns approximately $2K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
Is Yahoo!カレンダー スケジュールアプリで管理 profitable?▾
With estimated build cost $85K and monthly revenue $2K, Yahoo!カレンダー スケジュールアプリで管理 looks slow ROI — payback period is around 3.4 years at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Yahoo!カレンダー スケジュールアプリで管理 have?▾
Estimated audience: ~6.8M lifetime downloads, ~2.0M monthly active users, and ~900K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Yahoo!カレンダー スケジュールアプリで管理?▾
Browse the full Productivity 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 Yahoo!カレンダー スケジュールアプリで管理 built with?▾
Our heuristic places Yahoo!カレンダー スケジュールアプリで管理 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.
How much would Yahoo!カレンダー スケジュールアプリで管理 sell for?▾
Estimated acquisition value: $35K (marketplace range $25K – $45K). Calculated as 18× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
Who makes Yahoo!カレンダー スケジュールアプリで管理?▾
Yahoo!カレンダー スケジュールアプリで管理 is published by Yahoo! JAPAN (LY Corporation) 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.
What is Yahoo!カレンダー スケジュールアプリで管理's BU Score?▾
Yahoo!カレンダー スケジュールアプリで管理 has a BU Score of 75/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.