# ProjectorCalc vs Pattern Generator

The clearest difference is update cadence: Pattern Generator at every 19 months against ProjectorCalc's every 49 months. Pattern Generator also leads on review sentiment (50% vs 38%). ProjectorCalc's advantage is price ($2.99 vs $4.99) and iOS requirement (9.2 vs 13.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

ProjectorCalc costs $2.99 and Pattern Generator $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ProjectorCalc against 5.0 for Pattern Generator. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 38% of ProjectorCalc's written reviews are positive against 50% of Pattern Generator's.

ProjectorCalc ships an update every 49 months, Pattern Generator every 19 months. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | ProjectorCalc | Pattern Generator |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/projectorcalc/id310342928/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pattern-generator/id460365609/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 37.5% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 19 months** |
| Monetization | Paid | Paid |
| Size | 10 MB | 4 MB |
| Requires iOS | **9.2** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [D!HV Lighting](https://appshunter.io/developer/287079053) | [piXap](https://appshunter.io/developer/386140014) |

## 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


### Pattern Generator

[App page](https://appshunter.io/ios/app/pattern-generator/id460365609)

Create custom test patterns for various resolutions and display types, including grids, color bars, and specialized formats. Easily share your generated patterns via messaging, email, or AirDrop.

**Highlights:** Create test patterns, Multiple pattern types (grids, color bars, etc.), Supports various resolutions, Share patterns via message, mail, AirDrop, Wide screen patterns

**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 Pattern Generator free?

Pattern Generator costs $4.99, with no in-app purchases.

### Which has better reviews, ProjectorCalc or Pattern Generator?

ProjectorCalc and Pattern Generator are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do ProjectorCalc or Pattern Generator have ads?

Neither ProjectorCalc nor Pattern Generator shows ads.

### Which is updated more often, ProjectorCalc or Pattern Generator?

ProjectorCalc ships an update every 49 months, and Pattern Generator every 19 months. Most recently, ProjectorCalc was updated on October 7, 2026 and Pattern Generator on September 27, 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.*