68
Quality Score
Solid
MYDUTY - Nurse Calendar&Alarm
High confidence
✍️ bumetric analysis
“
MYDUTY - Nurse Calendar&Alarm is an Android app from fourwheels in the Lifestyle category, currently rated 4.5★ across 38,755 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 68: Solid (established niche player). For a Lifestyle 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.
💰 Monthly revenue · now vs forecast
● Right now
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
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
$165K
↳ What it cost to build · not monthly revenue
Likely range $125K – $225K
$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 |
| 💎In-app purchase plumbing | +$9K |
| ⚙Lifestyle complexity ×1.05 | +$2K |
| 🌐Cross-platform reach (iOS + Android) | +$34K |
| ⚙11.1y maintenance × ~1-person team | +$66K |
Total estimate$165K
👥 Estimated audience size
3.0M
Lifetime downloads (US-equivalent)
Monthly active
170K
Daily active
34K
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
| 📲Lifestyle engagement | ~110 installs / rating |
| 📅11.1y of rating accumulation | -30% |
| 🔁Lifestyle D30 retention | 13% |
| 📍DAU / MAU stickiness | 0.20 |
DAU / MAU20% 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 | Lifestyle |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Active
15%
Last shipped 2026-04-09 · 46 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
| 📅46 days since last update | Healthy release cadence |
VerdictActive
🔬
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
Building · 56/100MID TIERcompetitive build-outRevenue Strength
3.7
Product Quality
9.1
Market Position
0.0
Growth Velocity
5.0
Defensibility
8.5
Operational Safety
10.0
Founder Strength
3.9
Monetization Maturity
5.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.54★ across 38,755 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: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (38,755 ratings)METRIC | +$5,500 | |
| Excellent rating (4.5★)METRIC | +$2,200 | |
| Mature app (11y old)METRIC | +$1,500 | |
| 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 →🔖 v2.32.5p1🔄 updated 1mo ago📂 Lifestyle💰 Free📺 Ad-supported💎 IAP $0.99 - $39.99 per item🚀 Launched 2015 (11y old)
📝 About this app
This is a must-have calendar & alarm application for nurses.
Scheduling + Alarms + Calendar + Group management made easy!
Leave it all to "MYDUTY." MYDUTY looks the best.
1. Easily manage and share your schedule.
2. Conveniently set alarms for your schedule.
3. You can quickly check your schedule using the exclusive widget.
4. Manage your vacation days effortlessly.
5. Create a group and invite your friends or teammates. You can view all group members' schedules at a glance.
6. Each group has access to a private notice board. Enjoy engaging conversations with your group members.… View full description on the official store →
Scheduling + Alarms + Calendar + Group management made easy!
Leave it all to "MYDUTY." MYDUTY looks the best.
1. Easily manage and share your schedule.
2. Conveniently set alarms for your schedule.
3. You can quickly check your schedule using the exclusive widget.
4. Manage your vacation days effortlessly.
5. Create a group and invite your friends or teammates. You can view all group members' schedules at a glance.
6. Each group has access to a private notice board. Enjoy engaging conversations with your group members.… View full description on the official store →
🧪
Tech & Domain Intel — myduty.io
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- MYDUTY - Nurse Calendar&Alarm
- Developer
- fourwheels
- Bundle ID
- kr.fourwheels.myduty
- App Store URL
- Open in App Store
- Category
- Lifestyle
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- myduty.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
- $433/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $39.99 per item
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.
📈Ratings growth38,755 ratings+28% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
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 fourwheels
View all →📦 Portfolio summaryINDIE studio
2apps·$735/mocombined
Lead-app heavy — top app contributes 59%
Full revenue analysis
Read the article-style breakdown for MYDUTY - Nurse Calendar&Alarm: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 38,755 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does MYDUTY - Nurse Calendar&Alarm make per month?▴
Based on our ML-calibrated revenue forecast, MYDUTY - Nurse Calendar&Alarm earns approximately $433/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 MYDUTY - Nurse Calendar&Alarm profitable?▴
With estimated build cost $165K and monthly revenue $433, MYDUTY - Nurse Calendar&Alarm looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does MYDUTY - Nurse Calendar&Alarm have?▴
Estimated audience: ~3.0M lifetime downloads, ~170K monthly active users, and ~34K 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 MYDUTY - Nurse Calendar&Alarm?▴
Browse the full Lifestyle 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 MYDUTY - Nurse Calendar&Alarm built with?▴
Our heuristic places MYDUTY - Nurse Calendar&Alarm 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 MYDUTY - Nurse Calendar&Alarm still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 1 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was MYDUTY - Nurse Calendar&Alarm last updated?▴
MYDUTY - Nurse Calendar&Alarm last shipped a new version on 2026-04-09 — 1 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes MYDUTY - Nurse Calendar&Alarm?▴
MYDUTY - Nurse Calendar&Alarm is published by fourwheels 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 MYDUTY - Nurse Calendar&Alarm's BU Score?▴
MYDUTY - Nurse Calendar&Alarm has a BU Score of 68/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.