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57
BU Score
Solid

My Call Bag: Ophthalmology App

4.7 ✍️ Editor
✍️ BU Analytics Review

My Call Bag: Ophthalmology App is an iOS app from My Call Bag LLC in the Education category, currently rated 4.7★ across 91 ratings. Initial signal reads as mostly critical sentiment so far — users flag rough edges and unmet expectations.

Our BU Score puts it at 57Solid (established niche player). For a Education app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

📊 Performance Tracking LIVE

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idle
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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
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 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Paid app ($29.99)METRIC
+$2,800
Excellent rating (4.7★)METRIC
+$2,200
Multilingual (18 languages)METRIC
+$1,500
slowREVIEW
−$1,200
Pre-traction phase (91 ratings)METRIC
−$300
Growing app (2y old)METRIC
+$200
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jul 24
Aug 24
Mar 25
Sep 25
Oct 25
Nov 25

⭐ 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.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 453 MB🔞 4+📱 iOS 17.5+🔖 v17.4.18🔄 updated 6d ago🌐 AR, NL, EN, FR, DE +13📂 Education💰 Free🚀 Launched 2023 (2y old)

📝 About this app

Designed for healthcare professionals, this app transforms your iPhone into a comprehensive digital call bag, utilizing the True Depth Camera, gyroscope, and accelerometer.

Ophthalmology Tools
• Distance vision chart with Apple Watch remote
• LiDAR exophthalmometer
• AI Lensometer
• Topography with Placido Disc
• Visual field tool with automated perimetry
• Refraction Tool for Rough Bedside Refraction
• Pediatric, Tumbling E, and Landolt C optotypes
• Ullman Indirect' for fundus photography
• Astigmatism Dial stabilized with gyroscope mode
• Ishihara, Cambridge, and Pediatric color tests
• Axis Finder for toric IOL marking
• Strabismus selfie tool
• IOL spec sheets
• Cornea and retina drawing tools
• Slit lamp photography tool
• Eye Disease Simulator
• Hirschberg strabismus tool
• Ptosis MRD measurement tool
• IOL simulator
• 3D Models of the eye, orbit, and brain

Neurology Tools
- Vestibular Ocular Motor Screening (VOMS)
- Penlight tool with video recording
• OKN Drum with adjustable stripes
• Near card calibrated with True Depth Camera
• Dermatome Map
• Tuning Fork app with adjustable frequencies
• NIH Stroke Scale
• Navon Figures
• Clock Drawing Test
• Spiral Drawing Test

Optometry Tools
• Pupillary distance measurement
• Crowding bars in single optotype mode
• Amsler Grids (all 7 original grids) with scotoma drawing and recording
• Duochrome Test for refractive error assessment
• Contrast Sensitivity Chart
• Worth 4 Dot Test with pediatric targets
• Anisometropia tool
• Near point of accommodation measurement using True Depth Camera

Emergency Medicine Tools
• Vein finder tool
• Cobalt Blue Light for corneal abrasion checks
• Pupil gauge for measuring pupil size
• Goniometer for joint range of motion measurement
• Ophthalmic instrument spec sheets

Internal Medicine Tools
• Measure heart rate with camera
• Calculators:
- Calcium Correction for Hypoalbuminemia
- CHADS-VASC Score for Atrial Fibrillation Stroke Risk
- CKD-EPI Equations for Glomerular Filtration Rate (GFR)Mean Arterial Pressure (MAP)
- Cockcroft-Gault Calculator - Creatinine Clearance
- IOP corrected by pachymetry
- Bifocal/Near Add Calculator
- Amplitude of Accommodation Calculator
- Thyroid Eye Disease (TED) Clinical Activity Score (CAS) Calculator
- Spaeth Angle Grading Calculator
- Scheie Angle Grading Calculator
- Shaffer Grading Calculator
- Parks-Bielschowsky 3 Step Test
- Vertex Distance Calculator
- Percent Tissue Altered LASIK Ectasia Risk Calculator
- Randleman Post-LASIK Ectasia Risk Calculator
- Body Mass Index (BMI) Calculator
- Ocular Trauma Score Calculator
- OHTS Glaucoma Calculator
- Martin's Tilt Formula Calculator
- Reese-Ellsworth Retinoblastoma Classification System
- Munnerlyn Formula Calculator (Ablation Depth Calculator)
- IOL Bag vs Sulcus Power Calculator
- Glasgow Coma Scale (GCS) Calculator
- Pediatric Glasgow Coma Scale Calculator
- Wells' Criteria for DVT Calculator
- Maintenance Fluids Calculator
- Corrected QT Interval (QTc) Calculator
- Wells' Criteria for PE
- Intracerebral Hemorrhage (ICH) Score Calculator
- Intracerebral Hemorrhage (ICH) Score Calculator
- Steroid Conversion Calculator
...and many more!

Customize Your Call Bag
• Select favorite tools
• Presets for various subspecialties
• Metric and imperial system mode

No invasive advertisements! No data collection!
*Formerly called the "Eye Chart App"

Disclaimer: This app is intended as an educational tool for healthcare professionals and should not replace traditional methods. It is not for self-diagnosis or treatment without professional guidance. This app is NOT intended for diagnosis, cure, mitigation, treatment, or prevention of disease, nor to affect the structure or any function of the body.*

*iPad "Eye Chart" app now available separately that can test distance vision, this app can be run on the iPad but is not specifically formatted for iPad screens**

Terms of Service: http://MyCallBag.com/terms.html

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
My Call Bag: Ophthalmology App
Developer
My Call Bag LLC
Bundle ID
Michael-Ullman.Eye-Chart
App Store URL
Open in App Store
Category
Education
Content rating
4+
Languages
AR, NL, EN, FR, DE, HI, ID, IT, JA, KO, MS, FA, PT, RU, ZH, ES, TR, VI

Company

Website
Not found
Tagline
My Call Bag
Description
My Call Bag is the ultimate ophthalmology and optometry app for iPhone, iPad, Apple TV, and Apple Watch. Features Snellen eye charts, visual acuity testing, Ishihara color vision plates, slit lamp camera, digital lensometer, visual field perimetry, corneal topography, IOL simulator, indirect ophthalmoscope, OKN drum, Amsler grid, pupillary distance measurement, and more. Trusted by over 10,000 eye doctors and optometrists.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$3.2K/mo
Top-grossing rank
Outside top 100 in US Education
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://MyCallBag.com/blog/index.html
Press / News
Not found

Contacts & Socials

Socials
facebook · instagram · tiktok
Email
mullman@mycallbag.com
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth91 ratings+9000% lifetimeShow 3-year history estimate ▾Nov 2023Jan 2025May 2026
Tracked (19 weeks) Pre-tracking estimate (30 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$29.99 → $0.00 (-100%)
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.
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