Comparison

TECNIS® Vision Simulator vs Ophthalmology & Optometry

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TECNIS® Vision Simulator

This app helps medical professionals educate patients about eye conditions and intraocular lens (IOL) options. It features a vision simulator to demonstrate the benefits of different lens types, aiding in patient understanding of vision correction.

Highlights
  • Patient education on eye conditions
  • Overview of IOL types
  • Vision simulator for lens benefits
  • Country-specific content selection
  • Information on medical devices
Features
Read full description

The TECNIS Family of IOLs Vision Simulator is designed to assist physicians and their staff in educating patients about the common eye conditions that they may be experiencing, as well as an overview of the different type of IOLs available to address these conditions, and a vision simulator that helps illustrate the different performance benefits of each lens type. Content within this app is intended for residents of a particular country or region. The application will prompt you to select the available country that applies to your location on launch. It may contain information on medical devices and products that are not approved in other countries or regions.

About

Ophthalmology & Optometry

This medical app provides healthcare professionals with a suite of diagnostic and measurement tools for ophthalmology, neurology, optometry, emergency medicine, and internal medicine. It leverages advanced iPhone hardware like the True Depth Camera and LiDAR for accurate assessments and simulations.

Highlights
  • Distance vision chart with Apple Watch remote
  • LiDAR exophthalmometer
  • AI Lensometer
  • Visual field tool
  • Refraction Tool
  • 3D Model of eye & orbit
  • Calculators for medical scoring and risk assessment
Features
Currently charting
Read full description

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 • DMEK & Capsulorhexis simulator • 3D Model of eye & orbit Neurology Tools • Vestibular Ocular Motor Screening • Penlight tool with video recording • OKN Drum with adjustable stripes • Near card calibrated with True Depth Camera • Subjective Visual Vertical (SVV) • Dermatome Map • Tuning Fork • NIH Stroke Scale • Navon Figures • Clock Drawing Test • Spiral Drawing Test Optometry Tools • Pupillary distance measurement • Crowding bars in single optotype mode • Amsler 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

Screenshots

Ophthalmology & Optometry4 screens

Verdict

The call

The clearest difference is rating: Ophthalmology & Optometry at 4.7 against TECNIS® Vision Simulator's 3.8. Ophthalmology & Optometry also leads on update cadence (every 4 days vs every 9 months) and ratings volume (120 vs 8). TECNIS® Vision Simulator's advantage is in-app purchases (none vs 8) and iOS requirement (11.0 vs 17.1). On price, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ophthalmology & Optometry sells 8 in-app purchases, starting at $9.99 per month. TECNIS® Vision Simulator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Ophthalmology & Optometry holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Ophthalmology & Optometry has 120 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 67% of TECNIS® Vision Simulator's written reviews are positive against 62% of Ophthalmology & Optometry's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

TECNIS® Vision Simulator ships an update every 9 months, Ophthalmology & Optometry every 4 days. The most recent releases landed on November 1, 2026 and November 12, 2026 respectively.

Scorecard8 real differences · 3 level
TECNIS® Vision Simulator versus Ophthalmology & Optometry: the parameters behind the verdict, then further details
ParameterTECNIS® Vision SimulatorOphthalmology & Optometry
PriceFreeFree
Rating3.8 (8 ratings)4.7 (120 ratings) — better
Positive reviews66.7% of reviews — better61.8% of reviews
Number of ratings8120 — better
Update frequencyEvery 9 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#135 — better
DevicesiPadiPhone, iPad, Apple Watch — better
Requires iOS11.0 — better17.1
Further details — not scored
Size45 MB256 MB
Age rating12+4+
DeveloperJohnson & Johnson Surgical Vision, Inc.My Call Bag LLC

Customer experience

TECNIS® Vision Simulator

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Ophthalmology & Optometry

All ratings120 ratings
Positive91.7%
Neutral3.3%
Negative5.0%
Written reviews34 reviews
Positive61.8%
Neutral11.8%
Negative26.5%

In-app purchases

None

TECNIS® Vision Simulator

No in-app purchases

8 purchases

Ophthalmology & Optometry

Subscriptions4
  • iPad Monthly Subscription3 Days trial$9.991 Month
  • Monthly Subscription3 Days trial$14.991 Month
  • Annual Subscription3 Days trial$49.991 Year
Show 1 more
  • Annual Subscription to iPad App3 Days trial$49.991 Year
One-time4
  • 100 Credits$3.99
  • 500 Credits$19.99
  • Lifetime Access to iPad App$149.99
Show 1 more
  • My Call Bag$249.99

Questions

Is TECNIS® Vision Simulator free?
TECNIS® Vision Simulator is free to download, with no in-app purchases.
Is Ophthalmology & Optometry free?
Ophthalmology & Optometry is free to download, with in-app purchases available.
Which has better reviews, TECNIS® Vision Simulator or Ophthalmology & Optometry?
Ophthalmology & Optometry is rated higher. TECNIS® Vision Simulator averages 3.8 out of 5 from 8 ratings, while Ophthalmology & Optometry averages 4.7 from 120 ratings.
Do TECNIS® Vision Simulator or Ophthalmology & Optometry have ads?
Neither TECNIS® Vision Simulator nor Ophthalmology & Optometry shows ads.
Which is updated more often, TECNIS® Vision Simulator or Ophthalmology & Optometry?
TECNIS® Vision Simulator ships an update every 9 months, and Ophthalmology & Optometry every 4 days. Most recently, TECNIS® Vision Simulator was updated on November 1, 2026 and Ophthalmology & Optometry on November 12, 2026.

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