Nubx: Ultrasound Baby Gender
54
Quality Score
Solid
Nubx: Ultrasound Baby Gender
Medium confidence
✍️ bumetric analysis
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Nubx: Ultrasound Baby Gender is an iOS app from WOWOO LTD in the Education category, currently rated 4.3★ across 174 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 54: Solid (established niche player). For a Education 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
$200
per month
→
12-mo forecast
$100 – $931
per month
→
24-mo forecast
$100 – $2790
per month
MICRO 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
Loading…
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
📈
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 |
| 📦 Asset bundle (103 MB) | +$21K |
| ⚙ Education complexity ×1.20 | +$14K |
Total estimate
$85K
👥 Estimated audience size
14K
Lifetime downloads (US-equivalent)
Monthly active
2.6K
Daily active
780
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
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$200/mo · ML-estimated from 234 triggers
Growth rate
+8.0% MoM · MICRO tier baseline (compound monthly)
Direction
Headwinds: low defensibility moat
6 months
$127 – $508
12 months
$100 – $931
24 months
$100 – $2.8K
Compound growth at +8.0% MoM (tier baseline for MICRO). Range widens with horizon — typical noise band ±60% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Insufficient data · 34/100MICRO TIERtoo early to scoreGrowth Velocity
5.0
Founder Strength
3.7
Product Quality
6.0
Revenue Strength
2.3
Monetization Maturity
1.0
Defensibility
2.4
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Marginal — $0 - $500/mo · MICRO tier · indicative confidence, trajectory unclear.
- ⭐ Quality: 4.28★ across 174 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 501d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (501d since update).
🎯 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 = $3K-$6K. Portfolio play ($459/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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Multilingual (26 languages)METRIC | +$1,500 | |
| Good rating (4.3★)METRIC | +$800 | |
| Early-stage install base (174 ratings)METRIC | +$400 | |
| Growing app (1y old)METRIC | +$200 |
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.
🆕 What's New · v1.0.2
Exciting updates are here!
Boy or Girl? Discover your baby’s gender earlier than ever with advanced AI analysis.
- **Skull Theory & Ramzi Theory:** Now included for even more accurate and diverse gender predictions.… Full release notes →
Boy or Girl? Discover your baby’s gender earlier than ever with advanced AI analysis.
- **Skull Theory & Ramzi Theory:** Now included for even more accurate and diverse gender predictions.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Nubx: Ultrasound Baby Gender
- Developer
- WOWOO LTD
- Bundle ID
- ai.ultrasound.baby.image
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- CS, NL, EN, FI, FR, DE, EL, HI, HU, ID, IT, JA, KO, MS, PL, PT, RO, RU, ZH, ES, SV, TH, ZH, TR, UK, VI
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
- $459/mo
- Top-grossing rank
- 🇮🇳#31 /99 🇬🇧#61 /100 🇨🇦#63 /100 🇫🇷#83 /100
- 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.
📈Ratings growth178 ratings+1087% lifetimeShow 3-year history estimate ▾
Tracked (17 weeks) Pre-tracking estimate (18 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank4 countries
🇮🇳IN#31 /99
🇬🇧GB#61 /100
🇨🇦CA#63 /100
🇫🇷FR#83 /100
📊Category Rank Trajectory#31 now · best #30 · worst #99
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
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
Experience cutting-edge AI technology that brings your ultrasound images to life! Powered by advanced AI-based Nub theories, NubX predicts your baby’s gender and provides detailed insights into your ultrasound scans. With seamless sharing options and access to our AI assistant or live expert support for in-depth analysis, NubX makes every moment of your pregnancy journey truly unforgettable.
【How It Works】
1. Upload Your Ultrasound: Upload a photo of your ultrasound taken at 12 weeks or later (recommended for best results).
2.… View full description on the official store →
【How It Works】
1. Upload Your Ultrasound: Upload a photo of your ultrasound taken at 12 weeks or later (recommended for best results).
2.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 103 MB🔞 4+📱 iOS 15.6+🔖 v1.0.2🔄 updated 0d ago🌐 CS, NL, EN, FI, FR +21📂 Education💰 Paid
📅
What Worked™ · Development Pipeline
7 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
⭐
Rating ↑ 3.60 → 4.28 (improved 0.68★)
2026-05
🔄
Monetization changed: paid → free
2026-03
⭐
Rating ↑ 1.36 → 3.60 (improved 2.24★)
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2025-07
⭐
Rating ↑ 1.00 → 1.67 (improved 0.67★)
2025-03
🚀
First tracked snapshot — initial data captured
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Nubx: Ultrasound Baby Gender: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 174 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Nubx make per month?▴
Based on our ML-calibrated revenue forecast, Nubx earns approximately $459/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.
What apps are like Nubx?▴
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 Nubx?▴
Nubx is published by WOWOO LTD on the Apple App 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 Nubx's BU Score?▴
Nubx has a BU Score of 54/100 (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.