Best Probability Calculator Apps

222+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated May 2026

Finding the right probability calculator app can be overwhelming with so many options. We've analyzed 222+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Probability Calculator

Calculate84#1

Calculate84 by Century Light LLC

Intended for use with TI-84
Editor's Choice
πŸ“š Education
4.8😊(52K ratings)
FreeAdsIn-App Purchases
Calculate84 screenshot 1
Calculate84 screenshot 2
Calculate84 screenshot 3
Calculate84 screenshot 4

This app offers a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.

What We Love

  • πŸ‘ Identical to TI-84 calculator
  • πŸš€ Seamless and intuitive user experience
  • πŸ’° Affordable alternative to physical calculator
  • πŸ“± Convenient to have on phone

Room to Improve

  • πŸ› Occasional bugs and crashes
  • πŸ” Missing some advanced features like regression types
  • πŸ”’ Previous purchases removed without warning
Probability-Distributions#2

Probability-Distributions by Matthew Bognar

Strong Contender
πŸ“š Education
4.9😊(190 ratings)
Free
Probability-Distributions screenshot 1
Probability-Distributions screenshot 2
Probability-Distributions screenshot 3

Calculate probabilities, find percentiles, and visualize probability density or mass functions for a wide range of continuous and discrete statistical distributions. Explore common distributions like normal, binomial, Poisson, and many more.

What We Love

  • πŸ‘ Easy to use interface
  • πŸ“Š Great for probability distributions
  • πŸ’‘ Useful for checking work and homework
  • πŸ’° Free advanced functions

Room to Improve

  • 🚫 Not allowed on some exams
  • πŸ€” Some users want more features
Calculator ##3

Calculator # by Incpt.Mobis

Scientific Calculator
Worth Considering
πŸ”§ Utilities
4.6😐(36K ratings)
FreeAdsIn-App Purchases
Calculator # screenshot 1
Calculator # screenshot 2
Calculator # screenshot 3
Calculator # screenshot 4
Calculator # screenshot 5
Calculator # screenshot 6

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Powerful functionality
  • πŸ’‘ Helpful for math classes
  • ⭐ Great for students

Room to Improve

  • πŸ” Confusing interface after update
  • πŸ“’ Too many intrusive ads
  • πŸ’° Paywall for advanced features

More Probability Calculator apps to explore

4
Desmos Graphing Calculator
Desmos Graphing Calculator
Desmos Graphing Calculator
by Desmos, Inc.
Free

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.

Graph any equation (polar, cartesian, parametric)Interactive sliders for function transformationsInput and plot data with tables
πŸ“š Education
(1.3K)
free
5
Probability Calc
Probability Calc
Probability Calc
What are the odds?
Free

Easily calculate the probability of events by inputting potential choices and recording outcomes. Save scenarios to track progress over time and understand the odds of specific results.

Input potential choices for scenariosRecord event occurrencesCalculate outcome probabilities
πŸ”§ Utilities
(4)
free
6
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Calculator & Photo Solver
Free

Solve any math problem by typing it in or taking a photo. Get step-by-step solutions for subjects from pre-algebra to calculus. This AI-powered tool offers personalized learning and insights for over 300 million users.

Photo math solverStep-by-step solutionsCalculus calculator
πŸ“š Education
(26K)
free with in-app purchases
7
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Statistics, Matrix + Graph
Free

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

Scientific and advanced math functionsHigh-resolution graphing and plottingMatrix operations and storage
πŸ“š Education
(7.5K)
free with in-app purchases
8
Probability Solver - AI Helper
Probability Solver - AI Helper
Probability Solver - AI Helper
Math Statistics Algebra Answer
Free

This utility app uses AI to solve probability and statistics problems. Snap a photo of your math question to receive a step-by-step solution. It's designed for students and professionals needing quick, clear answers and offers an archive to manage past tasks.

AI-powered problem solvingPhoto-to-solution functionalityStep-by-step explanations
πŸ”§ Utilities
(3)
subscription
9
Calculatorβ‚Š
Calculatorβ‚Š
Calculatorβ‚Š
Basic, Scientific, Plus Calc
Free

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.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
πŸ”§ Utilities
(1.7M)
free with in-app purchases
10
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

Natural display inputGraphing moduleFormula library
πŸ“š Education
(12K)
free with in-app purchases
11
Graphing Calculator X84
Graphing Calculator X84
Graphing Calculator X84
Designed for use with Ti-84
Free

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

Graphing of functionsStatistics and regression analysisMatrix operations
πŸ“š Education
(50K)
free with in-app purchases
12
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
πŸ“š Education
(6.2K)
free with in-app purchases
13
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
πŸ”§ Utilities
(1.9K)
ad-supported
14
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.

Scientific and graphing calculatorAI-powered math assistantComplex number calculations
πŸ“š Education
(12K)
free with in-app purchases
15
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

Basic arithmetic operationsTrigonometric functionsStatistical calculations
πŸ“š Education
(327)
free
16
Calculator for iPadβ‚Š
Calculator for iPadβ‚Š
Calculator for iPadβ‚Š
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
πŸ”§ Utilities
(126K)
free with in-app purchases
17
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
10 Powerful Calculators
Free

This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.

10 powerful calculators (Standard, Scientific, Graphing, etc.)10 financial worksheets (Mortgage, Loan, Compound Interest, etc.)Unit Converter with 3000+ conversions
πŸ”§ Utilities
(4.6K)
free with in-app purchases
18
IntroStat - Statistics Solver
IntroStat - Statistics Solver
IntroStat - Statistics Solver
Statistics Calculator
Free

This app serves as a comprehensive statistics calculator and learning tool for introductory statistics courses. It offers a wide range of calculation features, data visualization, and an integrated textbook with formulas and examples.

Summary statistics calculationData visualization (boxplots, histograms)Probability calculations
πŸ“š Education
(24)
free with in-app purchases
19
CalculatorΒ·
CalculatorΒ·
CalculatorΒ·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
πŸ”§ Utilities
(33K)
free with in-app purchases
20
β–Έ Calculator +
β–Έ Calculator +
β–Έ Calculator +
Scientific Calculator
$1.99

This app offers a comprehensive suite of 12 calculators, including scientific, currency, unit, and finance functions. It features advanced modes, extensive formula support, and a user-friendly interface for all calculation needs.

12 specialized calculatorsOver 800 formulasScientific, RPN, and String modes
πŸ”§ Utilities
(832)
free with in-app purchases

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