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Best Probability Calculator Apps

247+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated August 2026

Finding the right probability calculator apps can be overwhelming with so many options. We've analyzed 247+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Probability Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculate84Calculate84Free4.8★ (52K)YesYesAug 2026
2Dice Probabilities CalculatorDice Probabilities CalculatorFree—NoNoMay 2026
3The Best Calculator - Calc ProThe Best Calculator - Calc ProFree4.6★ (4.7K)YesYesAug 2026
4Probability-DistributionsProbability-Distributions$1.994.9★ (193)NoNoAug 2026
5Bet Calculator: Odds & ParlayBet Calculator: Odds & ParlayFree——NoJul 2026
6Stats & Probability CalculatorStats & Probability CalculatorFree—YesYesAug 2026
7DAD Probability CalculatorDAD Probability CalculatorFree—NoNoMay 2026
8Probability Calculator PlusProbability Calculator Plus$2.993.7★ (3)NoNoAug 2026

Top Picks for Probability Calculator

Calculate84#1

Calculate84 by Century Light LLC

Intended for use with TI-84
Editor's Choice
📚 Education
4.8😊(52K ratings)
FreeAdsIn-App Purchases
#58in Education
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

  • 👍 Identical to TI-84 calculator
  • 🚀 Seamless and intuitive user experience
  • 💰 Affordable alternative to physical calculator
  • 📱 Convenient to have on phone

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔍 Missing some advanced features like regression types
  • 🔒 Previous purchases removed without warning
The Best Calculator - Calc Pro#3

The Best Calculator - Calc Pro by Panoramic Software Inc.

10 Powerful Calculators
Worth Considering
🔧 Utilities
4.6😊(4.7K ratings)
FreeAdsIn-App Purchases
The Best Calculator - Calc Pro screenshot 1
The Best Calculator - Calc Pro screenshot 2
The Best Calculator - Calc Pro screenshot 3
The Best Calculator - Calc Pro screenshot 4
The Best Calculator - Calc Pro screenshot 5

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.

What We Love

  • 👍 Great app
  • 🚀 Versatile and comprehensive
  • 👍 Easy to use
  • 👍 Excellent calculator

Room to Improve

  • 🐛 Crashes frequently
  • 🔋 Ads disrupt usage
  • 🐛 Unstable

More Probability Calculator apps to explore

4
Probability-Distributions
Probability-Distributions
Probability-Distributions
by Matthew Bognar
$1.99

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.

Compute probabilitiesDetermine percentilesPlot probability density function
📚 Education
(193)
free
5
Bet Calculator: Odds & Parlay
Bet Calculator: Odds & Parlay
Bet Calculator: Odds & Parlay
by Pavel Pavlov
Free
⚽ Sports
(0)
6
Stats & Probability Calculator
Stats & Probability Calculator
Stats & Probability Calculator
ANOVA, t-Test, Distributions
Free
📚 Education
(0)
7
DAD Probability Calculator
DAD Probability Calculator
DAD Probability Calculator
Poker Hand Equity & Odds
Free
📊 Productivity
(0)
8
Probability Calculator Plus
Probability Calculator Plus
Probability Calculator Plus
Stats, Distributions & Venn
$2.99

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.

Basic and conditional probability calculationsVenn diagram calculator with visual representationStatistical distributions (Binomial, Normal, Poisson)
📚 Education
(3)
paid
9
Risk Dice Roller + Probability
Risk Dice Roller + Probability
Risk Dice Roller + Probability
Save Time + Find Winning %!
Free

This app helps players of the board game Risk by calculating winning probabilities and simulating dice rolls. It offers free basic features and a premium upgrade for advanced customization and controls.

Winning probability calculatorSelect number of diceSeparate attacker/defender roll buttons
🎬 Entertainment
(9)
free with in-app purchases
10
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

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.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
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
📚 Education
(50K)
free with in-app purchases
12
Lottery Probability Calculator
Lottery Probability Calculator
Lottery Probability Calculator
Probability of winning lottery
Free
🔧 Utilities
(0)
13
Probability-dd
Probability-dd
Probability-dd
by domesticusdevelop
Free
🔧 Utilities
(0)
14
Dice Pool Calculator
Dice Pool Calculator
Dice Pool Calculator
Exact RPG Roll Odds
Free
🔧 Utilities
(0)
15
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
📚 Education
(24)
free with in-app purchases
16
Scientific Calculator FX-991CW
Scientific Calculator FX-991CW
Scientific Calculator FX-991CW
Equation, Matrix & Math Solver
Free
🔧 Utilities
(0)
17
Binomial Distribution Calc
Binomial Distribution Calc
Binomial Distribution Calc
Solution, steps & graph
Free
📚 Education
(0)
18
Statistics Calculator - Basics
Statistics Calculator - Basics
Statistics Calculator - Basics
Complete solution, all steps
Free
📚 Education
(0)
19
Statistics & Probability Tutor
Statistics & Probability Tutor
Statistics & Probability Tutor
Snap, Solve, Quizzes & Lessons
Free
📚 Education
(0)
20
Desmos Graphing Calculator
Desmos Graphing Calculator
Desmos Graphing Calculator
by Desmos
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
📚 Education
(1.3K)
free

FAQ about Probability Calculator

What are the best probability calculator apps for iPhone?
Calculate84 tops our probability calculator apps ranking as of August 2026, with a 4.8-star average from 52K App Store ratings, and it's free to download.
Yes — 18 of the top probability calculator apps we rank are free to download, including Calculate84 and Dice Probabilities Calculator.
Calculate84 shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 247+ probability calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Calculate84 provides a modern graphing calculator experience directly on your iPhone. It aims to replicate the functionality of physical graphing calculators with a user-friendly interface, featuring fast touch-screen graphing and scrollable windows.
Key features include fast and interactive touch-screen graphing, scrollable windows for easier navigation, and intelligent error messages to help users understand and correct mistakes. The interface is designed to be intuitive and familiar.

Related searches

probability calculator plusbayes' post-test probability calculatordad probability calculatorlottery probability calculatorpoker-probability-calculatorstats & probability calculator