# Pixel Density Calculator vs Perspective Pixels

The clearest difference is price: Perspective Pixels at Free against Pixel Density Calculator's $2.99. Perspective Pixels also leads on update cadence (every 5 months vs every 38 months). Pixel Density Calculator's advantage is device support (3 vs 1) and iOS requirement (13 vs 18.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Perspective Pixels 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.

On the App Store both sit at effectively the same score — 5.0 for Pixel Density Calculator against 5.0 for Perspective Pixels. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Pixel Density Calculator ships an update every 38 months, Perspective Pixels every 5 months. The most recent releases landed on September 9, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Pixel Density Calculator | Perspective Pixels |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pixel-density-calculator/id6444243922/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/perspective-pixels/id6748315710/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 3 MB |
| Requires iOS | **13** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Ryan Himmelwright](https://appshunter.io/developer/1825158482) |

## 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


### Perspective Pixels

[App page](https://appshunter.io/ios/app/perspective-pixels/id6748315710)

This tool helps you understand and compare display specifications like PPI, PPD, and FOV. Input your monitor's details to see how they affect your viewing experience and explore UI scaling effects. Save and compare unlimited configurations with a clean, intuitive interface.

**Highlights:** Calculate PPI, PPD, and FOV, Explore UI scaling effects, Save and compare monitor configurations, Switch between metric and imperial units, Intuitive and user-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is Pixel Density Calculator free?

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

### Is Perspective Pixels free?

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

### Which has better reviews, Pixel Density Calculator or Perspective Pixels?

Pixel Density Calculator and Perspective Pixels are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Pixel Density Calculator or Perspective Pixels have ads?

Neither Pixel Density Calculator nor Perspective Pixels shows ads.

### Which is updated more often, Pixel Density Calculator or Perspective Pixels?

Pixel Density Calculator ships an update every 38 months, and Perspective Pixels every 5 months. Most recently, Pixel Density Calculator was updated on September 9, 2026 and Perspective Pixels on June 1, 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.*