# Projector Lens Calculator vs Pixelmap Builder

The clearest difference is review sentiment: Pixelmap Builder at 100% against Projector Lens Calculator's 0%. Pixelmap Builder also leads on price (Free vs $2.99) and rating (4.9 vs 1.0). Projector Lens Calculator's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

Pixelmap Builder is free to download; Projector Lens Calculator costs $2.99 up front. Pixelmap Builder sells 3 in-app purchases, starting at $6.99 per month. Projector Lens Calculator asks for nothing beyond the download.

Pixelmap Builder holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Pixelmap Builder has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Projector Lens Calculator's written reviews are positive against 100% of Pixelmap Builder's.

Projector Lens Calculator ships an update every 2 months, Pixelmap Builder every 8 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Projector Lens Calculator | Pixelmap Builder |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/projector-lens-calculator/id1438041255/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/pixelmap-builder/id6804335240/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Proluxon](https://appshunter.io/developer/634092061) | [Julio Valdes Fernandez](https://appshunter.io/developer/6804335242) |

## What reviewers say

### Projector Lens Calculator

[App page](https://appshunter.io/ios/app/projector-lens-calculator/id1438041255)

This utility app helps video technicians and projectionists quickly calculate essential projection parameters. It supports various aspect ratios and measurement systems, providing detailed information like throw ratio, screen size, and pixel density.

**Highlights:** Calculate lens throw ratio, Calculate screen size, Calculate projector distance, Supports multiple aspect ratios, Imperial and metric system options, Pixel density calculation, Lumens per area calculation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pixelmap Builder

[App page](https://appshunter.io/ios/app/pixelmap-builder/id6804335240)

Design and plan complex LED video walls for stage and event productions. This tool helps you map pixel layouts, generate wiring diagrams, and preview screen performance with test patterns. Export project files, coordinate sheets, and videos for seamless installation and show execution.

**Highlights:** Design multi-screen LED walls, Customizable rows, columns, and panel sizes, Automatic port wiring diagrams, Animated radar test patterns, Export PNG maps, CSV coordinates, Resolume projects, and MP4 videos, App customization options

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Annual Premium | $49.99 | per year |
| 1-Day Premium Pass | $2.99 | one-time |


## Frequently asked questions

### Is Projector Lens Calculator free?

Projector Lens Calculator costs $2.99, with no in-app purchases.

### Is Pixelmap Builder free?

Pixelmap Builder is free to download, with in-app purchases available.

### Which has better reviews, Projector Lens Calculator or Pixelmap Builder?

Pixelmap Builder is rated higher. Projector Lens Calculator averages 1.0 out of 5 from 1 ratings, while Pixelmap Builder averages 4.9 from 8 ratings.

### Do Projector Lens Calculator or Pixelmap Builder have ads?

Neither Projector Lens Calculator nor Pixelmap Builder shows ads.

### Which is updated more often, Projector Lens Calculator or Pixelmap Builder?

Projector Lens Calculator ships an update every 2 months, and Pixelmap Builder every 8 days. Most recently, Projector Lens Calculator was updated on October 24, 2026 and Pixelmap Builder on October 29, 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.*