# ProjectorCalc vs Projector Lens Calculator

The clearest difference is rating: ProjectorCalc at 5.0 against Projector Lens Calculator's 1.0. ProjectorCalc also leads on review sentiment (38% vs 0%) and iOS requirement (9.2 vs 12.0). Projector Lens Calculator's advantage is update cadence (every 2 months vs every 49 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

ProjectorCalc costs $2.99 and Projector Lens Calculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProjectorCalc holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 38% of ProjectorCalc's written reviews are positive against 0% of Projector Lens Calculator's.

ProjectorCalc ships an update every 49 months, Projector Lens Calculator every 2 months. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ProjectorCalc | Projector Lens Calculator |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/projectorcalc/id310342928/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/projector-lens-calculator/id1438041255/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **37.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 10 MB | 11 MB |
| Requires iOS | **9.2** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [D!HV Lighting](https://appshunter.io/developer/287079053) | [Proluxon](https://appshunter.io/developer/634092061) |

## 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


### 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


## Frequently asked questions

### Is ProjectorCalc free?

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

### Is Projector Lens Calculator free?

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

### Which has better reviews, ProjectorCalc or Projector Lens Calculator?

ProjectorCalc is rated higher. ProjectorCalc averages 5.0 out of 5 from 2 ratings, while Projector Lens Calculator averages 1.0 from 1 ratings.

### Do ProjectorCalc or Projector Lens Calculator have ads?

Neither ProjectorCalc nor Projector Lens Calculator shows ads.

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

ProjectorCalc ships an update every 49 months, and Projector Lens Calculator every 2 months. Most recently, ProjectorCalc was updated on October 31, 2026 and Projector Lens Calculator 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.*