231+ iOS apps curated and reviewed
With an average user rating of 4.3★, the scientific calculator rpn category is one of the App Store's strongest. Browse all 231+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $0.99 | 2.3★ (3) | No | No | Oct 2026 | |
| 2 |  | $3.99 | 4.8★ (246) | No | No | Nov 2026 | |
| 3 |  | $4.99 | 4.7★ (48) | No | No | Oct 2026 | |
| 4 |  | Free | 3.9★ (24) | No | No | Oct 2026 | |
| 5 |  | Free | 4.9★ (8) | Yes | No | Oct 2026 | |
| 6 |  | Free | — | No | Yes | Sep 2026 | |
| 7 |  | Free | 3.5★ (2) | No | No | May 2026 | |
| 8 |  | Free | 4.4★ (383) | No | Yes | Oct 2026 |
This calculator app uses Reverse Polish Notation for powerful calculations. It offers customizable color schemes, layouts, and online help, designed for flexibility and usability. All features are unlocked with a one-time purchase.
This app offers a scientific calculator with Reverse Polish Notation (RPN) functionality, providing an alternative to the default calculator. It features a large, easy-to-read display, a 100-entry stack, and extensive undo/redo capabilities. Its design is inspired by classic HP calculators.
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.
