# Pixel Density Calculator vs Arsenal

The clearest difference is price: Arsenal at Free against Pixel Density Calculator's $2.99. Pixel Density Calculator's advantage is iOS requirement (13 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Arsenal is free to download; Pixel Density Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Pixel Density Calculator | Arsenal |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pixel-density-calculator/id6444243922/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | — |
| Monetization | Paid | — |
| Size | 3 MB | 28 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Justin Den Hartog](https://appshunter.io/developer/6787244360) |

## What reviewers say

### Pixel Density Calculator

[App page](https://appshunter.io/ios/app/pixel-density-calculator/id6444243922)

Calculate the pixels per inch (PPI) or dots per inch (DPI) for any display. This tool helps determine screen resolution based on dimensions and pixel count, also calculating screen size, aspect ratio, and megapixels.

**Highlights:** Calculate Pixels Per Inch (PPI), Calculate Dots Per Inch (DPI), Determine screen size, Calculate aspect ratio, Megapixel count calculation, Shape preview

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

**In-app purchases:** none


### Arsenal

[App page](https://appshunter.io/ios/app/arsenal-firearm-tracker/id6787244358)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pixel Density Calculator free?

Pixel Density Calculator costs $2.99, with no in-app purchases.

### Is Arsenal free?

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

### Do Pixel Density Calculator or Arsenal have ads?

Neither Pixel Density Calculator nor Arsenal shows ads.

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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.*