250+ iOS apps curated and reviewed
Out of 250+ ppi calculator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $0.99 | 4.5★ (66) | No | No | Aug 2026 |
| 2 |  | Free | 3.2★ (6) | No | No | Aug 2026 |
| 3 |  | Free | 4.3★ (3) | No | No | Jul 2026 |
| 4 |  | Free | 4.3★ (12) | No | No | Aug 2026 |
| 5 |  | Free | 4.9★ (409K) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.4★ (7) | No | No | May 2026 |
| 7 |  | Free | 4.7★ (61K) | No | No | Aug 2026 |
| 8 |  | Free | 3.0★ (1) | Yes | No | May 2026 |
Calculate your display's pixel density (PPI) using its dimensions and pixel count. Learn about PPI and DPI definitions, and how to categorize screen resolution.
Easily calculate the Pixels Per Inch (PPI) for any screen, from phones to monitors. Input screen dimensions and diagonal size to get an instant PPI result and determine if it qualifies as a Retina Display. You can also search for device information online and save your calculations.
Calculate display settings like DPI and PPI using only screen resolution and diagonal measurements. This straightforward utility tool provides essential display information.
Calculate pixels per inch (PPI) for any screen, along with aspect ratio and screen measurements. View data in inches or centimeters. Includes presets for standard resolutions and common devices.
This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.
Calculate display parameters for monitors, phones, and notebooks. This tool helps determine base settings for various devices.
This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.
This utility app offers a comprehensive suite of calculators for everyday financial, health, and date-related needs. It includes tools for loans, investments, taxes, health metrics, and unit conversions, along with a math solver.
This comprehensive utility app offers a wide range of calculators for everyday tasks, financial planning, unit conversions, and date calculations. It features a user-friendly interface, customizable options, and support for multiple number systems, making it a versatile tool for students and professionals alike.
A fast, clean, and easy-to-use calculator app offering both basic and advanced scientific functions. It features a minimal design, calculation history, and supports dark and light modes for a comfortable daily calculation experience.
