ProjectorCalc vs LMG Toolkit
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.
LMG Toolkit
This utility app offers two calculators for LED tile and widescreen projection needs. It helps users determine dimensions, weight, and power for LED installations, and calculate blend areas for widescreen setups.
- LED tile dimension calculator
- LED tile weight calculator
- LED tile power requirement calculator
- Widescreen projection blend area calculator
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The LMG Toolkit provides a LED calculator for gauging dimensions, weight, and power requirements for LMG's LED tile products as well as a Widescreen Calculator for determining blend areas for widescreen projection.
Screenshots
Verdict
The clearest difference is review sentiment: LMG Toolkit at 100% against ProjectorCalc's 38%. LMG Toolkit also leads on price (Free vs $2.99) and update cadence (every 2 weeks vs every 49 months). On ads, in-app purchases, device support and iOS requirement 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
LMG Toolkit is free to download; ProjectorCalc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ProjectorCalc ships an update every 49 months, LMG Toolkit every 2 weeks. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.
| Parameter | ProjectorCalc | LMG Toolkit |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 37.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 49 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.2 | 8.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | D!HV Lighting | LMG, Inc. |
Customer experience
ProjectorCalc
LMG Toolkit
In-app purchases
ProjectorCalc
No in-app purchases
LMG Toolkit
No in-app purchases
