249+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our sappi xp and paper calculator list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 2 |  | Free | 4.9★ (410K) | Yes | No | Oct 2026 | |
| 3 |  | Free | 4.7★ (61K) | No | No | Oct 2026 | |
| 4 |  | Free | 4.6★ (36K) | Yes | Yes | Oct 2026 | |
| 5 |  | Free | 4.2★ (1.4K) | No | No | Oct 2026 | |
| 6 |  | Free | 4.5★ (147K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | 4.9★ (34K) | Yes | Yes | Oct 2026 | |
| 8 |  | Free | 4.6★ (10K) | Yes | Yes | Oct 2026 |
This app offers a suite of calculators for sheet, roll, and pricing calculations in both metric and imperial units. It also includes unit conversion tools and an augmented reality viewer for interactive experiences with published materials.
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.
