ProjectorCalc vs The Set Lighting App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate image width, height, and diagonal length
- Determine brightness in Nits
- Calculate total projected area
- Compute pixels per inch
- Estimate keystone distortion
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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.
The Set Lighting App
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All the digital tools the modern Set Lighting Technician will need in the field and back in the truck. Databases! Formulas! Diagnostics! Reference Materials!
Screenshots
Verdict
The clearest difference is price: ProjectorCalc at $2.99 against The Set Lighting App's $34.99. ProjectorCalc also leads on iOS requirement (9.2 vs 15.0). The Set Lighting App's advantage is update cadence (every 8 days vs every 49 months). On 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
ProjectorCalc costs $2.99 and The Set Lighting App $34.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ProjectorCalc ships an update every 49 months, The Set Lighting App every 8 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.
| Parameter | ProjectorCalc | The Set Lighting App |
|---|---|---|
| Price | $2.99 — better | $34.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 37.5% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 49 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.2 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | D!HV Lighting | Canary Yellow Applications, LLC |
In-app purchases
ProjectorCalc
No in-app purchases
The Set Lighting App
No in-app purchases
Questions
Is ProjectorCalc free?
Is The Set Lighting App free?
Do ProjectorCalc or The Set Lighting App have ads?
Which is updated more often, ProjectorCalc or The Set Lighting App?
Other comparisons
