Master probability and statistics with instant, step-by-step solutions for various calculations and distributions. Includes a random experiment simulator and a comprehensive reference guide.






246+ iOS apps curated and reviewed
Out of 246+ probability calculator plus apps on iOS, 15 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 | $2.99 | 3.7★ (3) | No | No | Aug 2026 | ||
| 2 | Free | 4.7★ (1.7M) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.3★ (1.3K) | No | No | Oct 2026 | ||
| 4 | Free | — | No | Yes | Sep 2026 | ||
| 5 | Free | 4.9★ (409K) | Yes | No | Oct 2026 | ||
| 6 | Free | 4.7★ (61K) | No | No | Oct 2026 | ||
| 7 | $5.99 | 4.7★ (6.3K) | No | Yes | Oct 2026 | ||
| 8 | Free | 4.0★ (5) | No | No | May 2026 |






Master probability and statistics with instant, step-by-step solutions for various calculations and distributions. Includes a random experiment simulator and a comprehensive reference guide.






This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.






Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.