How much does Perfect OB Tracker make per month?

Based on our ML-calibrated revenue forecast, Perfect OB Tracker earns approximately $5.5K/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 Perfect OB Tracker profitable?

With estimated build cost $145K and monthly revenue $5.5K, Perfect OB Tracker looks break-even-grade — payback period sits around 2.2 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.

How many users does Perfect OB Tracker have?

Estimated audience: ~23K lifetime downloads, ~1K monthly active users, and ~360 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 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.

What is Perfect OB Tracker built with?

Our heuristic places Perfect OB Tracker on the Native iOS (Swift / UIKit) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Native iOS (SwiftUI).

Is Perfect OB Tracker still actively maintained?

Maintenance status: Slowing (25% abandonment risk). Last shipped version was 2 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

How much would Perfect OB Tracker sell for?

Estimated acquisition value: $100K (marketplace range $75K – $150K). Calculated as 20× 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.

When was Perfect OB Tracker last updated?

Perfect OB Tracker last shipped a new version on 2026-07-18 — 2 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.

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.

Perfect OB Tracker

Quality Score

Solid

Perfect OB Tracker

Name: Perfect OB Tracker — app revenue, audience, build cost & risk profile
Creator: Bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Perfect OB Tracker revenue, Perfect OB Tracker app analytics, mobile app revenue estimate, Education revenue, iOS app revenue

by Evan Schoenberg

Medium confidence

4.9 App Store rating

✍️ 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

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Title & subtitle keyword fit
Description hook & conversion structure
Screenshots, ratings, reviews strategy

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Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

25 snapshots on record

idle

Rating

4.9

Reviews

398 reviews

Forecast Revenue / mo

$5.5K

Snapshots tracked

since Jan 2013

ONE-TIME · BUILD 💰 Estimated build cost

$145K

↳ What it cost to build · not monthly revenue

Likely range $110K – $195K

$25K · MVP floor $100K · indie scale $500K+ · studio build

📈 Pays back in ~2.2y 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
⚙ 13.8y maintenance × ~1-person team	+$83K

Total estimate $145K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$100K

↳ What it would sell for · not monthly revenue

Marketplace range $75K – $150K · 20× MRR multiple

💸 ~0.7× 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
📅 13.8y proven track record	+20%
⭐ ★ rating ≥ 4.7 (premium)	+15%
🏷 Education category multiple	+6%
⭐ Small user base (<1K ratings)	-8%

Final multiple 20× MRR

👥 Estimated audience size

23K

Lifetime downloads (US-equivalent)

Monthly active

1.2K

Daily active

360

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
📅 13.8y of rating accumulation	-30%
🔁 Education D30 retention	18%
📍 DAU / MAU stickiness	0.30

DAU / MAU 30% sticky

🛠 Estimated tech stack

🍎

Native iOS (Swift / UIKit)

High confidence · 80%

Also possible

Native iOS (SwiftUI)

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

📦 App bundle size	12 MB
🏷 Category context	Education
📦 Compact iOS bundle	→ Native Swift / UIKit (pre-2020 era)

💀 Maintenance status

Slowing

25%

Last shipped 2026-07-18 · 78 days ago

0 · Active 50 · At risk 100 · 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

📅 78 days since last update	Healthy release cadence
👥 Small user base (398 ratings) + 13.8y old	+10% (solo-project pattern)

Verdict Slowing

🔬

How we forecast this revenue

MEDIUM CONFIDENCE

Baseline

$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 · 55/100MID TIERunderperforming peers

Growth 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

10.0

💰 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: 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 = $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

MODEL

Revenue 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)

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 Reviews Growth

LIVE

Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE

Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY

Each bar shows a tracked update and the metric delta from the previous snapshot.

🆕 What's New · v3.9.1

• Fixed a crash at launch on iPads running iOS 26.
• New in Settings: Back Up All Data — export a complete copy of your patient database and photos.
• The app now keeps automatic local snapshots of your database for extra data safety.

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

Reported revenue signal / mo: Not found
AI revenue estimate / mo: Not found
AI annual estimate: Not found
Model estimate / mo: $5.5K/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 growth410 ratings+40900% lifetimeShow 3-year history estimate ▾

Tracked (25 weeks) Pre-tracking estimate (0 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%)

🚀Update Frequency · Releases per Quarter2 releases tracked

🚀Version Release Timeline2 releases tracked

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 →

App Specs

🔐 Own this app? Claim & verify MRR →

💾 12 MB🔞 17+📱 iOS 13.0+🔖 v3.9.1🔄 updated 2mo ago🌐 AR, EN, FR, DE, IT +6📂 Education💰 Paid🚀 Launched 2012 (13y old)

📅

What Worked™ · Development Pipeline

10 EVENTS TRACKED

Detected 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 →

2026-08

📦

Bundle ↑ 9MB → 13MB — likely major code refresh

2026-07

🔧

Shipped update — v3.9 → v3.9.1

2026-05

💲

Went paid — introduced $6.99 price point

2026-03

📈

Crossed 50 ratings — social-proof flywheel kicking in

2026-03

⭐

Rating ↑ 3.71 → 4.90 (improved 1.19★)

2014-10

📈

Crossed 10 ratings — social-proof flywheel kicking in

2014-09

⭐

Rating ↓ 3.71 → 3.38 (dropped 0.33★)

→ 30 days after: rating +0.22★ high confidence

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

→ 30 days after: rating −0.50★ high confidence

🌍

Multi-Country Performance

Available in 9 of 9 monitored markets

Market	Rating	Reviews	Current version
🇦🇺 AU	4.7931★	87	4.7931★ this version
🇧🇷 BR	4.87324★	568	4.87324★ this version
🇨🇦 CA	4.74796★	123	4.74796★ 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	4.86165★	412	4.86165★ this version

🔔

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📝 Description

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.

Read deep-dive →