# Ratio Pro — Pixel Calculator for Designers

> Pixel dimension calculator for designers using Golden Ratio. (iPhone/iPad app by Dangerous Pixels.)

- Source: https://appshunter.io/ios/app/ratio-pro/id1393098542 (this page in markdown: same URL + `.md`)
- Developer: [Dangerous Pixels](https://appshunter.io/developer/416712818)
- Category: Utilities, Productivity
- Price: $1.99
- Age rating: 4+
- Requires: iOS 16.2 · 3 MB
- Languages: American English
- Released: 2018-08-26
- Data updated: 2026-07-07
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/ratio-pro/id1393098542/reviews.md

## What is Ratio Pro?

Visual Pixel Calculator for Product & UI/UX Designers. Quickly calculate beautiful pixel dimensions (width, height, portrait and landscape) to use in your designs using the Golden Ratio and more.

Features
- Use the Golden Ratio without having to understand the Math behind it
- Visual layout preview gives you a sense of the proportions
- Automatic pixel rounding means you don't have to deal with decimals and half pixels.
- Simply use the values in your design tool of choice and marvel at the divine proportions and how it makes your designs beautiful.

## Key features

- Golden Ratio calculations
- Visual layout preview
- Automatic pixel rounding
- Portrait and landscape dimensions
- Design tool integration

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ratio-pro/id1393098542/reviews.md

### 5/5 — Great App

*2018-08-26*

Easy to use.  Works well.

## Frequently asked questions about Ratio Pro

### What is Ratio Pro?

Ratio Pro is a visual pixel calculator designed for product and UI/UX designers. It helps users quickly calculate pixel dimensions using principles like the Golden Ratio without needing to perform complex mathematical calculations.

### How does Ratio Pro use the Golden Ratio?

Ratio Pro applies the Golden Ratio to generate aesthetically pleasing pixel dimensions for your designs. It simplifies the process by providing visual previews and automatic rounding, so you can easily integrate the results into your design tools.

### What devices is Ratio Pro available on?

Ratio Pro is available on Mac, iPhone, and iPad, allowing designers to use it across different platforms.

### How much does Ratio Pro cost?

Ratio Pro is a paid application, priced at $1.99. There are no in-app purchases or subscriptions associated with its use.

### When was Ratio Pro last updated?

The latest version of Ratio Pro, 2.0.1, was released on February 16, 2023. This indicates regular updates to maintain functionality and compatibility.

### Is Ratio Pro suitable for beginners?

Yes, Ratio Pro is designed to be user-friendly, especially for beginners. It handles the complex math behind the Golden Ratio and provides visual feedback, making proportional design accessible.

### Does Ratio Pro have ads?

No, Ratio Pro does not contain advertisements. As a paid application, it offers an uninterrupted user experience.

### What is the age rating for Ratio Pro?

Ratio Pro has an age rating of 4+, making it suitable for a wide range of users, including younger designers or students.

## Version history (last 3 releases)

### 2.0.1 — 2023-02-16

Minor visual bug fixes

### 2.0 — 2023-02-13

Complete rebuild from the ground up with a new universal app which now includes a version of the app for the Mac.

### 1.0 — 2018-08-26

No release notes.

## Apps similar to Ratio Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Ratio Calculator - Proportion](https://appshunter.io/ios/app/ratio-calculator-proportion/id1522863550) | — | $4.99 | Utilities |
| [Golden Ratio Calculator Plus](https://appshunter.io/ios/app/golden-ratio-calculator-plus/id6443533034) | 2.3 (3) | $2.99 | Utilities |
| [Equal Space](https://appshunter.io/ios/app/equal-space/id6743153922) | — | $0.99 | Utilities |
| [Area Volume Calculator](https://appshunter.io/ios/app/area-volume-calculator/id1051276090) | 4.1 (14) | Free | Utilities |
| [Golden Ratio Calculator++](https://appshunter.io/ios/app/golden-ratio-calculator-plus-plus/id953899091) | 3.0 (4) | $1.99 | Utilities |
| [Geometry Shape Calculator Pro](https://appshunter.io/ios/app/geometry-shape-calculator-pro/id1587479277) | — | $4.99 | Utilities |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*