Perfect OB Wheel
77
Quality Score
Strong
Perfect OB Wheel
Medium confidence
✍️ bumetric analysis
“
Perfect OB Wheel is an iOS app from Evan Schoenberg in the Education category, currently rated 4.9★ across 3,553 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 77: Strong (healthy traction). For a Education 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.
💰 Monthly revenue · now vs forecast
● Right now
$11.0K
per month
→
12-mo forecast
$11.4K – $23.8K
per month
→
24-mo forecast
$14.1K – $42.2K
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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$60K
↳ What it cost to build · not monthly revenue
Likely range $45K – $80K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in <1 month 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 |
| ⚙ Education complexity ×1.20 | +$10K |
Total estimate
$60K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$700K
↳ What it would sell for · not monthly revenue
Marketplace range $600K – $1.0M · 18× MRR multiple
💸
~12× return on build cost
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 ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
Final multiple
18× MRR
👥 Estimated audience size
300K
Lifetime downloads (US-equivalent)
Monthly active
54K
Daily active
16K
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
MEDIUM CONFIDENCEBaseline
$11.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$10.4K – $17.4K
12 months
$11.4K – $23.8K
24 months
$14.1K – $42.2K
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 · 52/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
7.7
Product Quality
9.0
Revenue Strength
4.0
Monetization Maturity
1.0
Defensibility
7.5
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Modest — $7K - $16K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 5.0★ across 3,506 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1713d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1713d 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 = $197K-$351K. Portfolio play ($168K/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 9 of 9 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($1.99)METRIC | +$2,800 | |
| Excellent rating (4.9★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (3,553 ratings)METRIC | +$1,500 | |
| Mature app (17y old)METRIC | +$1,500 | |
| Multilingual (11 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 |
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 · v58
• Enhanced iCloud sync! Synchronization is now both more reliable and faster.
• Corrected a bug that could create duplicate entires.
• Fixed delivery date calculations in time zones near the international date line such as Australia and New Zealand.
•Various other fixes
• Corrected a bug that could create duplicate entires.
• Fixed delivery date calculations in time zones near the international date line such as Australia and New Zealand.
•Various other fixes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Perfect OB Wheel
- Developer
- Evan Schoenberg
- Bundle ID
- com.regularrateandrhythm.PerfectOBWheel
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 17+
- Languages
- AR, EN, FR, DE, IT, JA, KO, PT, RU, ZH, ES
Company
- Website
- www.perfectobwheel.com
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $40.6K/mo
- Top-grossing rank
- Outside top 100 in US Education
- 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 growth3,553 ratings+8782% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
💰Pricing History$0.00 → $1.99 (+0%)
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
Simple, fast, yet more thorough than any other pregnancy wheel available for the iPhone, Perfect OB Wheel is better than just a replacement for your trusty paper wheel.
Here's why Perfect OB Wheel is your best choice of gestational calculator:
1) Input flexibility: Start with one of:
• Last menstrual period (LMP)
• Conception date
• Estimated date of confinement/delivery (EDC)
• Ultrasound dating: Number of weeks and days gestation as of a given date ("X Weeks").
2) Input speed: Other wheels for the iPhone make you conform to them for entering your patient's information.… View full description on the official store →
Here's why Perfect OB Wheel is your best choice of gestational calculator:
1) Input flexibility: Start with one of:
• Last menstrual period (LMP)
• Conception date
• Estimated date of confinement/delivery (EDC)
• Ultrasound dating: Number of weeks and days gestation as of a given date ("X Weeks").
2) Input speed: Other wheels for the iPhone make you conform to them for entering your patient's information.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 10 MB🔞 17+📱 iOS 13.0+🔖 v58🔄 updated 0d ago🌐 AR, EN, FR, DE, IT +6📂 Education💰 Paid
📅
What Worked™ · Development Pipeline
12 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
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +14 high confidence
2026-05
💲
Went paid — introduced $1.99 price point
→ 30 days after: reviews +14 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue −$599K/mo · rating −0.25★ · reviews −3,280 high confidence
2011-11
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.5K/mo · reviews +8 high confidence
2011-11
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$4.0K/mo · reviews +22 high confidence
2011-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.3K/mo · reviews +7 high confidence
2009-08
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$183/mo · rating +0.05★ high confidence
2009-08
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$685/mo · rating −0.25★ medium · co-occurring
2009-08
⭐
Rating ↓ 4.75 → 4.44 (dropped 0.31★)
→ 30 days after: revenue +$685/mo · rating −0.25★ medium · co-occurring
2008-11
🚀
First tracked snapshot — initial data captured
2008-11
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
2008-11
🚀
First tracked snapshot — initial data captured
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Perfect OB Wheel: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Evan Schoenberg
View all →📦 Portfolio summaryMID studio
9apps·$168K/mocombined
✓ Diversified — top app contributes 25%; risk spread across portfolio
About this analysis
Why medium confidence: 3,553 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Perfect OB Wheel make per month?▴
Based on our ML-calibrated revenue forecast, Perfect OB Wheel earns approximately $40K/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 Perfect OB Wheel?▴
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 Perfect OB Wheel?▴
Perfect OB Wheel is published by Evan Schoenberg 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 Perfect OB Wheel's BU Score?▴
Perfect OB Wheel has a BU Score of 77/100 (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.