245+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our my rpn calculator list covers 245+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $4.99 | — | No | No | Sep 2026 | |
| 2 |  | Free | 4.9★ (7) | Yes | No | May 2026 | |
| 3 |  | $4.99 | 4.7★ (48) | No | No | Aug 2026 | |
| 4 |  | $3.99 | 4.8★ (238) | No | No | Sep 2026 | |
| 5 |  | Free | — | No | Yes | Oct 2026 | |
| 6 |  | Free | 3.8★ (22) | No | No | Aug 2026 | |
| 7 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 8 |  | Free | — | No | Yes | May 2026 |
This scientific calculator utilizes Reverse Polish Notation (RPN) for efficient complex calculations, mirroring the functionality of classic HP calculators. It features a continuously visible stack for better tracking and includes 10 memory registers, plus a dedicated quadratic equation solver.
This scientific calculator offers Reverse Polish Notation (RPN) for faster calculations. It includes 54 mathematical functions, coordinate conversions, and unit conversions, all within a simple interface.
