250+ iOS apps curated and reviewed
Operational Range Calculator is the household name in operational range calculator, 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 | — | No | No | Jun 2026 | |
| 2 |  | Free | 4.9★ (409K) | Yes | No | Oct 2026 | |
| 3 |  | Free | 4.7★ (61K) | No | No | Oct 2026 | |
| 4 |  | Free | 2.0★ (3) | No | No | Jun 2026 | |
| 5 |  | $1.99 | 5.0★ (1) | No | No | May 2026 | |
| 6 |  | Free | 4.6★ (36K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | — | No | Yes | Jun 2026 | |
| 8 |  | Free | 4.4★ (3.6K) | Yes | No | Oct 2026 |
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.
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.
