Comparison

ProjectorCalc vs WideScreen Pro

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

Head to head
About

ProjectorCalc

This utility app helps lighting technicians and projectionists calculate projected image dimensions. It determines image width, height, diagonal length, brightness, area, and pixel density based on projector and location details. It also estimates keystone distortion.

Highlights
  • Calculate image width, height, and diagonal length
  • Determine brightness in Nits
  • Calculate total projected area
  • Compute pixels per inch
  • Estimate keystone distortion
Features
Read full description

Winner of the 2010 Live Design Projection Product of the Year - Software/App Category ProjectorCalc is a program for professional lighting technicians and projectionists. Its primary purpose is to determine the size of a projected image given various information about the projector and it's location. ProjectorCalc allows users to enter details for a projector and its location in relation to a projection surface. ProjectorCalc will calculate image width, image height, diagonal length, brightness in Nits, total projected area, and how many pixels per inch the projected image will be. Additionally, ProjectorCalc can give you an estimate of how much keystone distortion will occur by calculating the length of each side of the distorted image.

About

WideScreen Pro

Calculate panoramic image sizes for video projectors based on screen and projector dimensions. Offers automatic and manual modes for projector quantity and overlap, along with optical report and power calculations.

Highlights
  • Panoramic image size calculation
  • Automatic and manual projector modes
  • Overlap quantity adjustment
  • Optical report calculation
  • Power calculation (m2/sq ft)
  • Save and email configurations
Features
Read full description

WScreenPro is an application which allows to calculate the size of a panoramic image according to the size of the screen and the resolution of the video projectors. WScreenPro works in automatic mode what allows to work in full matrix and also in manual mode what allows to put the number of projectors wished as well as the quantity of overlap. WScreenPro also allows to calculate the optical report as well as the power in m2 or sq ft. -Add Square Calculation. -Add Print. -Add Send Configuration by eMail. -Add Save Configuration into your photo Album. -Add automatically saved when you quit. -Add Pattern Adjustment.

Screenshots

ProjectorCalc3 screens
WideScreen Pro4 screens

Verdict

The call

The clearest difference is update cadence: WideScreen Pro at every 6 months against ProjectorCalc's every 49 months. WideScreen Pro also leads on review sentiment (50% vs 38%). ProjectorCalc's advantage is price ($2.99 vs $5.99). On rating, ratings volume, ads and in-app purchases 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

ProjectorCalc costs $2.99 and WideScreen Pro $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ProjectorCalc against 5.0 for WideScreen Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 38% of ProjectorCalc's written reviews are positive against 50% of WideScreen Pro's.

UpkeepUpdate frequency

ProjectorCalc ships an update every 49 months, WideScreen Pro every 6 months. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
ProjectorCalc versus WideScreen Pro: the parameters behind the verdict, then further details
ParameterProjectorCalcWideScreen Pro
Price$2.99 — better$5.99
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews37.5% of reviews50.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 49 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.29.1 — better
Further details — not scored
Size10 MB9 MB
Age rating4+4+
DeveloperD!HV LightingpiXap

Customer experience

ProjectorCalc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive37.5%
Neutral18.8%
Negative43.8%

WideScreen Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

ProjectorCalc

No in-app purchases

None

WideScreen Pro

No in-app purchases

Questions

Is ProjectorCalc free?
ProjectorCalc costs $2.99, with no in-app purchases.
Is WideScreen Pro free?
WideScreen Pro costs $5.99, with no in-app purchases.
Which has better reviews, ProjectorCalc or WideScreen Pro?
ProjectorCalc and WideScreen Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do ProjectorCalc or WideScreen Pro have ads?
Neither ProjectorCalc nor WideScreen Pro shows ads.
Which is updated more often, ProjectorCalc or WideScreen Pro?
ProjectorCalc ships an update every 49 months, and WideScreen Pro every 6 months. Most recently, ProjectorCalc was updated on October 7, 2026 and WideScreen Pro on October 5, 2026.

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