Comparison

Optical Calculator for ECPs vs KMK Optometry Coaching

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

Head to head
About

Optical Calculator for ECPs

This medical app provides a suite of specialized optical calculation tools for eye care professionals. It offers features like lens thickness, vertex compensation, and prism compounding, with a focus on accuracy and ease of use. A subscription unlocks all current and future calculators.

Highlights
  • Stock Lens Cutout
  • Lens Thickness Calculation
  • Vertex Compensation
  • Rx Transpose
  • Prism Compounding
  • Contact Lens Rx
  • Tilt & Wrap Compensation
Features
Read full description

The best Optical Calculator on the App Store. • Stock Lens Cutout • Lens Thickness • Vertex Compensation • Rx Transpose • Intermediate Rx • Prism Compounding • Contact Lens Rx • Induced Prism • Tilt & Wrap Compensation • Crossed Cylinders • Resolving Prism • Spectacle Magnification • Vertical Imbalance Compensation • Power in Oblique Meridians If you want another calculator, let us know and we will add it. The app is easy to use and to the point. ______________________________________________ About Subscription: • You may subscribe to our service for a free trial. This subscription auto-renews yearly at the specified price. • This subscription provides you full access to all our current and future optical calculators. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • The account will be charged for renewal within 24-hours prior to the end of the current period. • Payment will be charged to your iTunes Account at confirmation of purchase. • You may manage the subscription 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 will be forfeited when you purchase the subscription. • Privacy policy: http://www.lens-shapers.com/privacy • Terms of use: http://www.lens-shapers.com/terms

About

KMK Optometry Coaching

This exclusive learning platform connects optometry students preparing for board exam retakes. It fosters inspiration and commitment through a supportive community, offering live feeds, collaborative spaces, and expert coaching sessions to enhance learning tactics and mindset.

Highlights
  • Live feed with quiz questions and learning tips
  • Collaborative 'Spaces' for focused study groups
  • Direct chat and collaboration with peers and coaches
  • Live streaming events with expert insights
  • Community support for board exam retakes
Features
Read full description

The KMK Coaching Community is an exclusive learning platform for optometry students who have purchased KMK Coaching and are preparing for a retake of NBEO® Part 1 and/or 2 boards. Joining a community of learners is very powerful. Being able to connect with other people going through the same experience helps students find inspiration and commitment. That is why we bring together content and community. Designed to bring students out of isolation, get them in the right mindset, and improve their learning tactics, no one should have to prepare for a retake on boards alone. LIVE FEED Quiz questions, motivating posts, learning tips, and on-demand connection with fellow colleagues and our Coaches helps students feel supported so they are more prepared than ever. SPACES Collaborative spaces designed around an area of focus, we can create communities within a community for more private, personalized attention. Students bring their best every week and push each other. COLLABORATION Chat with colleagues or Coaches about anything! Keep a conversation moving with comments, tags and interactions. The more you lean on the KMK Coaching Community the more you get out of it. LIVE EVENTS Join live streaming events and gain insight from our expert Coaches. From Small Group Coaching to Community Live, our Coaches break down difficult concepts and stretch your knowledge weekly. COMMUNITY No one should have to battle a retake alone - it’s one of the worst things an optometry student can do. Join a Community designed to put boards behind you, and your career as an optometrist in front of you.

Screenshots

Optical Calculator for ECPs4 screens
KMK Optometry Coaching4 screens

Verdict

The call

The clearest difference is in-app purchases: KMK Optometry Coaching at none against Optical Calculator for ECPs's 2. KMK Optometry Coaching also leads on update cadence (weekly vs every 6 weeks) and rating (4.8 vs 4.5). On price, ratings volume, ads 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. Optical Calculator for ECPs sells 2 in-app purchases, starting at $4.99 per month. KMK Optometry Coaching asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KMK Optometry Coaching holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 27 and 34 respectively.

UpkeepUpdate frequency

Optical Calculator for ECPs ships an update every 6 weeks, KMK Optometry Coaching weekly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
Optical Calculator for ECPs versus KMK Optometry Coaching: the parameters behind the verdict, then further details
ParameterOptical Calculator for ECPsKMK Optometry Coaching
PriceFreeFree
Rating4.5 (27 ratings)4.8 (34 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings2734 — better
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size11 MB131 MB
Age rating4+9+
DeveloperLens ShapersKMK Optometry

Customer experience

Optical Calculator for ECPs

All ratings27 ratings
Positive88.9%
Neutral3.7%
Negative7.4%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

KMK Optometry Coaching

All ratings34 ratings
Positive94.1%
Neutral2.9%
Negative2.9%

In-app purchases

2 purchases

Optical Calculator for ECPs

Subscriptions2
  • Monthly3 Days trial$4.991 Month
  • Yearly3 Days trial$49.991 Year
None

KMK Optometry Coaching

No in-app purchases

Questions

Is Optical Calculator for ECPs free?
Optical Calculator for ECPs is free to download, with in-app purchases available.
Is KMK Optometry Coaching free?
KMK Optometry Coaching is free to download, with no in-app purchases.
Which has better reviews, Optical Calculator for ECPs or KMK Optometry Coaching?
KMK Optometry Coaching is rated higher. Optical Calculator for ECPs averages 4.5 out of 5 from 27 ratings, while KMK Optometry Coaching averages 4.8 from 34 ratings.
Do Optical Calculator for ECPs or KMK Optometry Coaching have ads?
Neither Optical Calculator for ECPs nor KMK Optometry Coaching shows ads.
Which is updated more often, Optical Calculator for ECPs or KMK Optometry Coaching?
Optical Calculator for ECPs ships an update every 6 weeks, and KMK Optometry Coaching weekly. Most recently, Optical Calculator for ECPs was updated on November 2, 2026 and KMK Optometry Coaching on November 7, 2026.

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