6+ iOS apps curated and reviewed
Out of 6+ i41cx apps on iOS, 4 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $7.99 | 4.7★ (47) | No | Yes | Nov 2026 | |
| 2 |  | $24.99 | 4.8★ (108) | No | No | Nov 2026 | |
| 3 |  | Free | 4.6★ (70K) | Yes | Yes | Nov 2026 | |
| 4 |  | Free | — | Yes | No | May 2026 | |
| 5 |  | Free | 4.8★ (36K) | No | No | Nov 2026 | |
| 6 |  | Free | 2.3★ (1.9K) | No | Yes | Oct 2026 |
This app offers a powerful RPN scientific calculator experience, functionally equivalent to the renowned HP-41CX. It provides extensive functions, programmability, and customizable features, with options to unlock advanced capabilities via in-app purchases.
This advanced RPN scientific calculator offers workstation-class CAS capabilities, emulating the HP-41CX with extensive modules and programs. It features a virtual thermal printer/plotter, iCloud support, and a full-screen text editor for enhanced productivity.
Securely store your private photos, videos, contacts, and passwords with PIN protection. This app provides a safe space for your precious memories and sensitive information, including a private browser that leaves no trace.