Comparison

Ross Optical Calculator vs VIEWAR Scanner

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

Head to head
About

Ross Optical Calculator

This utility app provides a comprehensive calculator for a variety of optical equations. It is designed for ease of use, making complex calculations accessible on your mobile device.

Highlights
  • Optical equation calculator
  • Wide range of equations
  • Easy to use interface
  • Mobile accessibility
Features
Read full description

A mobile app calculator with a wide range of optic equations, made easy for you to use.

About

VIEWAR Scanner

Read full description

Use the VIEWAR Scanner app to easily create and share 3D scans of any physical object or environment. You can create a free account for the VIEWAR System on portal.viewar.com. * Recommended for locations up to 50m² * Usable for VIEWAR solutions only (scans can't be exported for external usage) Requirements: LiDAR compatible device (iPhone 12 Pro or higher, iPad Pro since 2020) For more information please check out https://www.viewar.com/products/scanner/

Screenshots

Ross Optical Calculator4 screens
VIEWAR Scanner4 screens

Verdict

The call

The clearest difference is update cadence: Ross Optical Calculator at every 6 weeks against VIEWAR Scanner's every 3 months. Ross Optical Calculator also leads on iOS requirement (12.4 vs 14.4). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ross Optical Calculator ships an update every 6 weeks, VIEWAR Scanner every 3 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 7 level
Ross Optical Calculator versus VIEWAR Scanner: the parameters behind the verdict, then further details
ParameterRoss Optical CalculatorVIEWAR Scanner
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.4 — better14.4
Further details — not scored
Size12 MB111 MB
Age rating4+4+
DeveloperRoss OpticalViewAR GmbH

In-app purchases

None

Ross Optical Calculator

No in-app purchases

None

VIEWAR Scanner

No in-app purchases

Questions

Is Ross Optical Calculator free?
Ross Optical Calculator is free to download, with no in-app purchases.
Is VIEWAR Scanner free?
VIEWAR Scanner is free to download, with no in-app purchases.
Do Ross Optical Calculator or VIEWAR Scanner have ads?
Neither Ross Optical Calculator nor VIEWAR Scanner shows ads.
Which is updated more often, Ross Optical Calculator or VIEWAR Scanner?
Ross Optical Calculator ships an update every 6 weeks, and VIEWAR Scanner every 3 months. Most recently, Ross Optical Calculator was updated on October 11, 2026 and VIEWAR Scanner on October 6, 2026.

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