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 | 4.6★ (45) | No | Yes | Aug 2026 |
| 2 |  | $24.99 | 4.8★ (104) | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (70K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | — | Yes | No | May 2026 |
| 5 |  | Free | 4.7★ (30K) | No | No | Aug 2026 |
| 6 |  | Free | 2.3★ (1.9K) | No | Yes | Aug 2026 |
This app offers a powerful RPN scientific calculator experience, functionally equivalent to a renowned model. It provides extensive memory registers, over 300 built-in functions, and programmability. Advanced features can be unlocked via in-app purchases.
This advanced RPN scientific calculator offers workstation-class Computer Algebra System (CAS) capabilities, going beyond traditional replicas. It provides access to an extensive library of modules and programs, enhanced with iOS features, customizable skins, and iCloud support for seamless data management.
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.
Secure your digital life by generating and storing unique, strong passwords for all your accounts in an end-to-end encrypted vault. Access your data securely across unlimited devices and share sensitive information with others.
Securely store and autofill your passwords using fingerprint or facial recognition. Access saved logins across apps with a dedicated keyboard extension and browse the web privately with integrated logins.