# ProjectorCalc vs LMG Toolkit

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.

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.

## The numbers

| Metric | ProjectorCalc | LMG Toolkit |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/projectorcalc/id310342928/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 37.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 51 MB |
| Requires iOS | 9.2 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [D!HV Lighting](https://appshunter.io/developer/287079053) | [LMG, Inc.](https://appshunter.io/developer/401671663) |

## 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


### LMG Toolkit

[App page](https://appshunter.io/ios/app/lmg-toolkit/id619549979)

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.

**Highlights:** LED tile dimension calculator, LED tile weight calculator, LED tile power requirement calculator, Widescreen projection blend area calculator

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProjectorCalc free?

ProjectorCalc costs $2.99, with no in-app purchases.

### Is LMG Toolkit free?

LMG Toolkit is free to download, with no in-app purchases.

### Do ProjectorCalc or LMG Toolkit have ads?

Neither ProjectorCalc nor LMG Toolkit shows ads.

### Which is updated more often, ProjectorCalc or LMG Toolkit?

ProjectorCalc ships an update every 49 months, and LMG Toolkit every 2 weeks. Most recently, ProjectorCalc was updated on October 7, 2026 and LMG Toolkit on October 17, 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.*