Optical Calculator for ECPs vs Ncontroller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Stock Lens Cutout
- Lens Thickness Calculation
- Vertex Compensation
- Rx Transpose
- Prism Compounding
- Contact Lens Rx
- Tilt & Wrap Compensation
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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
Ncontroller
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Nidek Remote Controller is a free app for controlling products manufactured by Nidek, a manufacturer of ophthalmic medical equipment, using your tablet.
Screenshots
Verdict
The clearest difference is in-app purchases: Ncontroller at none against Optical Calculator for ECPs's 2. Ncontroller also leads on iOS requirement (12.0 vs 18.0). Optical Calculator for ECPs's advantage is update cadence (every 6 weeks vs every 36 months). 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
Both are free to download. Optical Calculator for ECPs sells 2 in-app purchases, starting at $4.99 per month. Ncontroller asks for nothing beyond the download.
Optical Calculator for ECPs ships an update every 6 weeks, Ncontroller every 36 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.
| Parameter | Optical Calculator for ECPs | Ncontroller |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (27 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 6 weeks — better | Every 36 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 12 MB |
| Age rating | 4+ | 17+ |
| Developer | Lens Shapers | NIDEK |
In-app purchases
Optical Calculator for ECPs
- Monthly3 Days trial$4.991 Month
- Yearly3 Days trial$49.991 Year
Ncontroller
No in-app purchases
Questions
Is Optical Calculator for ECPs free?
Is Ncontroller free?
Do Optical Calculator for ECPs or Ncontroller have ads?
Which is updated more often, Optical Calculator for ECPs or Ncontroller?
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