TECNIS® Vision Simulator vs Ophthalmology & Optometry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Patient education on eye conditions
- Overview of IOL types
- Vision simulator for lens benefits
- Country-specific content selection
- Information on medical devices
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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.
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | TECNIS® Vision Simulator | Ophthalmology & Optometry |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (8 ratings) | 4.7 (120 ratings) — better |
| Positive reviews | 66.7% of reviews — better | 61.8% of reviews |
| Number of ratings | 8 | 120 — better |
| Update frequency | Every 9 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #135 — better |
| Devices | iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 11.0 — better | 17.1 |
| Further details — not scored | ||
| Size | 45 MB | 256 MB |
| Age rating | 12+ | 4+ |
| Developer | Johnson & Johnson Surgical Vision, Inc. | My Call Bag LLC |
Customer experience
TECNIS® Vision Simulator
Ophthalmology & Optometry
In-app purchases
TECNIS® Vision Simulator
No in-app purchases
Ophthalmology & Optometry
- iPad Monthly Subscription3 Days trial$9.991 Month
- Monthly Subscription3 Days trial$14.991 Month
- Annual Subscription3 Days trial$49.991 Year
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- Annual Subscription to iPad App3 Days trial$49.991 Year
- 100 Credits$3.99
- 500 Credits$19.99
- Lifetime Access to iPad App$149.99
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- My Call Bag$249.99
Questions
Is TECNIS® Vision Simulator free?
Is Ophthalmology & Optometry free?
Which has better reviews, TECNIS® Vision Simulator or Ophthalmology & Optometry?
Do TECNIS® Vision Simulator or Ophthalmology & Optometry have ads?
Which is updated more often, TECNIS® Vision Simulator or Ophthalmology & Optometry?
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