# ProjectorCalc vs WideScreen Pro

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.

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

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.

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.

## The numbers

| Metric | ProjectorCalc | WideScreen Pro |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/projectorcalc/id310342928/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/widescreen-pro/id327375070/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 37.5% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 10 MB | 9 MB |
| Requires iOS | 9.2 | **9.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [D!HV Lighting](https://appshunter.io/developer/287079053) | [piXap](https://appshunter.io/developer/386140014) |

## What reviewers say

### ProjectorCalc

[App page](https://appshunter.io/ios/app/projectorcalc/id310342928)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WideScreen Pro

[App page](https://appshunter.io/ios/app/widescreen-pro/id327375070)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*