Comparison

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.

Head to head
About

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.

Highlights
  • Visual Acuity Defocus Curves
  • Defocus Lens Range Selection
  • Snellen Optotypes
  • Contrast Sensitivity Defocus Curve
  • Historical Database Storage
  • Data Export to .CSV
Features
Read full description

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/

About

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.

Highlights
  • Prescription conversion
  • Keratometry input
  • Fitting guidance
  • User-friendly layout
  • Educational tool
Features
Read full description

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

Multifocal Lens Analyzer2 screens
Glasses 2 Contacts3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Multifocal Lens Analyzer ships an update every 2 months, Glasses 2 Contacts every 12 months. Both last shipped on November 2, 2026.

Scorecard6 real differences · 4 level
Multifocal Lens Analyzer versus Glasses 2 Contacts: the parameters behind the verdict, then further details
ParameterMultifocal Lens AnalyzerGlasses 2 Contacts
PriceFreeFree
Rating3.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings12 — better
Update frequencyEvery 2 months — betterEvery 12 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.4 — better
Further details — not scored
Size5 MB20 MB
Age rating4+4+
DeveloperQvision, Departamento de OftalmologíaHoang Harry Tran

Customer experience

Multifocal Lens Analyzer

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%

Glasses 2 Contacts

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Multifocal Lens Analyzer

Subscriptions1
  • Pro$45.991 Year
None

Glasses 2 Contacts

No in-app purchases

Questions

Is Multifocal Lens Analyzer free?
Multifocal Lens Analyzer is free to download, with in-app purchases available.
Is Glasses 2 Contacts free?
Glasses 2 Contacts is free to download, with no in-app purchases.
Which has better reviews, Multifocal Lens Analyzer or Glasses 2 Contacts?
Glasses 2 Contacts is rated higher. Multifocal Lens Analyzer averages 3.0 out of 5 from 1 ratings, while Glasses 2 Contacts averages 5.0 from 2 ratings.
Do Multifocal Lens Analyzer or Glasses 2 Contacts have ads?
Glasses 2 Contacts shows ads; Multifocal Lens Analyzer does not.
Which is updated more often, Multifocal Lens Analyzer or Glasses 2 Contacts?
Multifocal Lens Analyzer ships an update every 2 months, and Glasses 2 Contacts every 12 months. Most recently, Multifocal Lens Analyzer was updated on November 2, 2026 and Glasses 2 Contacts on November 2, 2026.

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