Multifocal Lens Analyzer vs Glasses 2 Contacts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Multifocal Lens Analyzer
This application assists vision science professionals in measuring visual acuity defocus curves for multifocal lenses. It offers basic features for free and advanced functionalities through a pro subscription, enhancing clinical practice and research.
- Visual Acuity Defocus Curves
- Defocus Lens Range Selection
- Snellen Optotypes
- Contrast Sensitivity Defocus Curve
- Historical Database Storage
- Data Export to .CSV
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THIS IS A PROFESSIONAL APP BASED ON EVIDENCE JUST FOR PROFESSIONALS IN VISION SCIENCES The most popular method in clinical practice for evaluating the visual performance through the field with a Multifocal Intraocular Lens or a Multifocal Contact Lens is the Visual Acuity Defocus Curve. This application allows you to measure Defocus Curves with several advantages versus conventional charts. The application is based on a Freemium model, just downloading the App you will have access to the following options: 1.- Visual Acuity Defocus Curves 2.- Two possible distances (2 m and 4 m), 3.- Selecting a range of possible Defocus Lenses from +5.00 D to -5.00 D 4.- Snellen optotypes. BEFORE DOWNLOADING ON IPHONE YOU SHOULD KNOW: The functionalities differ depending on the installation on an iPad or iPhone: 1.- You need an iPad for conducting the Defocus Curve measurement 2.- If you install the MLA in an iPhone this only serves as a remote control, you will still need an iPad to measure the Defocus Curve 3.- You can access to more information about the procedure at: https://defocuscurve.com/en/testing-defocus-curve A PRO version is also included with several options such as: 5.- Contrast Sensitivity Defocus Curve 6.- Optional steps of +/- 0.25D around de 0D step 7.- Sloan Optotypes (ETDRS) 8.- Auto-calculation of Sphere with Rx, Defocus and Distance 9.- Remote Control with another IOS device 10.- Historical Database to Store Defocus Curves 11.- Assign Defocus Curves to several Protocols (MIOLs or MCLs) 12.- Store Additional information (pupil, Rx, month, etc) 13.- Export Data to .CSV 14.- Calibrated considering several iPad models or the possibility of a personalized calibration. 15.- Area under the defocus curve calculation. INFORMATION ABOUT PRO SUBSCRIPTION The Multifocal Lens Analyzer is a freemium app. If you want to access to all the services you have to buy a PRO auto-subscription for 49.99€ (prices can vary between countries) for a period of 1 year. The payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. You can find our terms and privacy policy at https://www.defocuscurve.com/en/2-documentation/25-terms-conditions SUPPORT AND QUESTIONS You can access our webpage www.defocuscurve.com to view all the research validation papers or the authors that have used the App in their research. You can also join our community in order to ask any question or to receive support: www.facebook.com/groups/qvisionacademy/
Glasses 2 Contacts
This educational tool helps students convert glasses prescriptions to contact lens prescriptions. It offers accurate results with a user-friendly layout and includes keratometry input for fitting guidance. The app is completely free to use for learning purposes.
- Prescription conversion
- Keratometry input
- Fitting guidance
- User-friendly layout
- Educational tool
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Glasses 2 Contacts is a valuable educational tool designed to help students convert glasses prescriptions to contact lens prescriptions (also known as vertex conversion). Whether you’re learning about contact lens fittings or need a tool to simplify the conversion process, this app provides accurate, easy-to-understand results. New Updates: - New, Improved User-Friendly Layout: Enjoy a cleaner, more intuitive design for a seamless experience. - Prescription Conversion: Quickly convert glasses prescriptions to contact lens prescriptions for educational purposes. - Keratometry Input: Enter keratometry readings and receive fitting guidance on whether to use toric, spherical, steep, or flat lenses based on your measurements. Glasses 2 Contacts is 100% free and intended to make learning easier for students without the need for subscriptions or purchases.
Screenshots
Verdict
The clearest difference is rating: Glasses 2 Contacts at 5.0 against Multifocal Lens Analyzer's 3.0. Glasses 2 Contacts also leads on in-app purchases (none vs 1) and iOS requirement (13.4 vs 15.6). Multifocal Lens Analyzer's advantage is ads (none vs shown) and update cadence (every 2 months vs every 12 months). On price, ratings volume and device support 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. Multifocal Lens Analyzer sells 1 in-app purchase, starting at $45.99 per year. Glasses 2 Contacts asks for nothing beyond the download.
Glasses 2 Contacts holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Multifocal Lens Analyzer ships an update every 2 months, Glasses 2 Contacts every 12 months. Both last shipped on November 2, 2026.
| Parameter | Multifocal Lens Analyzer | Glasses 2 Contacts |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.4 — better |
| Further details — not scored | ||
| Size | 5 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Qvision, Departamento de Oftalmología | Hoang Harry Tran |
Customer experience
Multifocal Lens Analyzer
Glasses 2 Contacts
In-app purchases
Multifocal Lens Analyzer
- Pro$45.991 Year
Glasses 2 Contacts
No in-app purchases
Questions
Is Multifocal Lens Analyzer free?
Is Glasses 2 Contacts free?
Which has better reviews, Multifocal Lens Analyzer or Glasses 2 Contacts?
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Which is updated more often, Multifocal Lens Analyzer or Glasses 2 Contacts?
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