250+ iOS apps curated and reviewed
PPI Calc is the household name in ppl calc, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free was $0.99 | 4.5★ (66) | No | No | Sep 2026 | |
| 2 |  | Free | 4.3★ (3) | No | No | Jul 2026 | |
| 3 |  | Free | 3.2★ (6) | No | No | Aug 2026 | |
| 4 |  | Free | 4.4★ (13) | No | No | Aug 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | — | No | Yes | Jun 2026 | |
| 7 |  | Free | — | Yes | Yes | May 2026 | |
| 8 |  | Free | — | No | 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.
Calculate display settings like DPI and PPI using only screen resolution and diagonal measurements. This straightforward utility tool provides essential display information.
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.
