Comparison

POL Guide vs Optical Calculator for ECPs

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

Head to head
About

POL Guide

This app helps opticians visually demonstrate the distinctions between various lens materials, index types, and coatings to their clients. It serves as a professional tool for optical practices to enhance customer understanding and sales.

Highlights
  • Demonstrate lens material differences
  • Explain index types
  • Showcase lens coatings
  • Professional tool for opticians
Features
Read full description

POL Guide is an application created by Pol Optic to help opticians to demonstrate the differences between lens materials, index types and coatings.

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

Screenshots

POL Guide4 screens
Optical Calculator for ECPs4 screens

Verdict

The call

The clearest difference is in-app purchases: POL Guide at none against Optical Calculator for ECPs's 2. POL Guide also leads on rating (5.0 vs 4.5) and iOS requirement (12.0 vs 18.0). Optical Calculator for ECPs's advantage is update cadence (every 6 weeks vs every 16 months) and ratings volume (27 vs 3). On price, 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. POL Guide asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

POL Guide holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Optical Calculator for ECPs has 27 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

POL Guide ships an update every 16 months, Optical Calculator for ECPs every 6 weeks. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
POL Guide versus Optical Calculator for ECPs: the parameters behind the verdict, then further details
ParameterPOL GuideOptical Calculator for ECPs
PriceFreeFree
Rating5.0 (3 ratings) — better4.5 (27 ratings)
Positive reviews—0.0% of reviews
Number of ratings327 — better
Update frequencyEvery 16 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size213 MB11 MB
Age rating12+4+
DeveloperPOL DOO BEOGRADLens Shapers

Customer experience

POL Guide

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Optical Calculator for ECPs

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

In-app purchases

None

POL Guide

No in-app purchases

2 purchases

Optical Calculator for ECPs

Subscriptions2
  • Monthly3 Days trial$4.991 Month
  • Yearly3 Days trial$49.991 Year

Questions

Is POL Guide free?
POL Guide is free to download, with no in-app purchases.
Is Optical Calculator for ECPs free?
Optical Calculator for ECPs is free to download, with in-app purchases available.
Which has better reviews, POL Guide or Optical Calculator for ECPs?
POL Guide is rated higher. POL Guide averages 5.0 out of 5 from 3 ratings, while Optical Calculator for ECPs averages 4.5 from 27 ratings.
Do POL Guide or Optical Calculator for ECPs have ads?
Neither POL Guide nor Optical Calculator for ECPs shows ads.
Which is updated more often, POL Guide or Optical Calculator for ECPs?
POL Guide ships an update every 16 months, and Optical Calculator for ECPs every 6 weeks. Most recently, POL Guide was updated on October 24, 2026 and Optical Calculator for ECPs on October 24, 2026.

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