Perfect OB Tracker
62
Quality Score
Solid
Perfect OB Tracker
Medium confidence
✍️ bumetric analysis
“
Perfect OB Tracker is an iOS app from Evan Schoenberg in the Education category, currently rated 4.9★ across 398 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 62: 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
$5.5K
per month
→
12-mo forecast
$5.6K – $11.8K
per month
→
24-mo forecast
$7.0K – $21.0K
per month
MID tier
💡 Grow this revenue
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- 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
$60K
↳ What it cost to build · not monthly revenue
Likely range $45K – $80K
$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 |
Total estimate
$60K
👥 Estimated audience size
33K
Lifetime downloads (US-equivalent)
Monthly active
6.0K
Daily active
1.8K
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
$5.5K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$5.2K – $8.6K
12 months
$5.6K – $11.8K
24 months
$7.0K – $21.0K
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
7.7
Product Quality
6.9
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
7.5
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $8K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.9★ across 398 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1694d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1694d 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 = $98K-$174K. 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 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 | |
| Excellent rating (4.9★)METRIC | +$2,200 | |
| Mature app (13y old)METRIC | +$1,500 | |
| Multilingual (11 languages)METRIC | +$1,500 | |
| Early-stage install base (398 ratings)METRIC | +$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 · v3.9
• 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 Tracker
- Developer
- Evan Schoenberg
- Bundle ID
- Not found
- 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
- Not found
- 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
- $201/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.
📈Ratings growth398 ratings+39700% lifetimeShow 3-year history estimate ▾
Tracked (23 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 → $6.99 (+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 Tracker is better than just a replacement for your trusty paper wheel.
• Keep track of any number of pregnant patients with at-a-glance due date and gestational age
• Synchronize to all your iOS devices via iCloud (optional)
• Sort by name or due date
• Search by name or medical record number
• Keep notes on each patient
• Track postpartum, as well, noting delivery date, gender, and name… View full description on the official store →
• Keep track of any number of pregnant patients with at-a-glance due date and gestational age
• Synchronize to all your iOS devices via iCloud (optional)
• Sort by name or due date
• Search by name or medical record number
• Keep notes on each patient
• Track postpartum, as well, noting delivery date, gender, and name… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 8 MB🔞 17+📱 iOS 13.0+🔖 v3.9🔄 updated 0d ago🌐 AR, EN, FR, DE, IT +6📂 Education💰 Paid
📅
What Worked™ · Development Pipeline
8 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
💲
Went paid — introduced $6.99 price point
2026-03
⭐
Rating ↑ 3.71 → 4.90 (improved 1.19★)
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2014-10
📈
Crossed 10 ratings — social-proof flywheel kicking in
2014-09
⭐
Rating ↓ 3.71 → 3.38 (dropped 0.33★)
2014-01
⭐
Rating ↓ 4.50 → 4.00 (dropped 0.50★)
2013-02
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
2013-01
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.7816★ | 87 | 4.7816★ this version |
| 🇧🇷 BR | 4.87791★ | 557 | 4.87791★ this version |
| 🇨🇦 CA | 4.74789★ | 119 | 4.74789★ this version |
| 🇩🇪 DE | 0★ | 0 | — |
| 🇫🇷 FR | 4.75★ | 4 | 4.75★ this version |
| 🇬🇧 GB | 4.92856★ | 14 | 4.92856★ this version |
| 🇮🇳 IN | 4.5★ | 10 | 4.5★ this version |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇺🇸 US | 4.85572★ | 402 | 4.85572★ this version |
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Perfect OB Tracker: 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: 398 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 Tracker make per month?▴
Based on our ML-calibrated revenue forecast, Perfect OB Tracker earns approximately $200/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 Tracker?▴
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 Tracker?▴
Perfect OB Tracker 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 Tracker's BU Score?▴
Perfect OB Tracker has a BU Score of 62/100 (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.