250+ iOS apps curated and reviewed
Looking for free ppi calc apps? 17 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free was $0.99 | 4.5★ (66) | No | No | Sep 2026 | |
| 2 |  | Free | 3.2★ (6) | No | No | Sep 2026 | |
| 3 |  | Free | 4.4★ (13) | No | No | Aug 2026 | |
| 4 |  | Free | 4.3★ (3) | No | No | Jul 2026 | |
| 5 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 6 |  | Free | — | No | No | Jul 2026 | |
| 7 |  | Free | 4.4★ (7) | No | No | May 2026 | |
| 8 |  | Free | 4.8★ (3.3K) | Yes | No | Sep 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 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.
