Best Linear Regression Equation Apps

250+ iOS apps curated and reviewed

3.8 avg rating
15 free apps
Updated July 2026

Looking for free linear regression equation apps? 15 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Linear Regression Equation Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1LineRegressionLineRegressionFreeNoNoMay 2026
2Quick Linear RegressionQuick Linear Regression$0.991.0★ (2)NoNoAug 2026
3Linear Equations CalculatorLinear Equations CalculatorFree4.0★ (27)NoYesJul 2026
4Art of Stat: RegressionArt of Stat: RegressionFree4.7★ (20)NoYesJul 2026
5Polynomial RegressionPolynomial RegressionFreeNoNoMay 2026
6Linear Algebra - Matrix SolverLinear Algebra - Matrix SolverFreeYesNoMay 2026
7Least Squares CalculatorLeast Squares CalculatorFreeNoNoMay 2026
8Equation Solver 4in1Equation Solver 4in1$5.99 was $9.99NoNoJul 2026

Top Picks for Linear Regression Equation

Quick Linear Regression#2

Quick Linear Regression by MSYapps

Strong Contender
📚 Education
1.0(2 ratings)
$0.99
Quick Linear Regression screenshot 1
Quick Linear Regression screenshot 2
Quick Linear Regression screenshot 3

This app helps estimate the relationship between two variables using linear regression. It visualizes data, calculates regression coefficients, and provides R-squared values for goodness of fit. Reports can be generated and shared.

More Linear Regression Equation apps to explore

4
Art of Stat: Regression
Art of Stat: Regression
Art of Stat: Regression
Fit Linear Regression Model
Free

This app helps you analyze data by creating scatterplots and fitting various regression models. Visualize model parameters, confidence intervals, and predictions, and explore relationships with categorical variables.

Scatterplots and regression model fittingInference for model parametersMultiple linear and logistic regression
📚 Education
(20)
free
5
Polynomial Regression
Polynomial Regression
Polynomial Regression
Interpolation & Approximation
Free
📚 Education
(0)
6
Linear Algebra - Matrix Solver
Linear Algebra - Matrix Solver
Linear Algebra - Matrix Solver
Matrix and Vectors operations
Free
📚 Education
(0)
7
Least Squares Calculator
Least Squares Calculator
Least Squares Calculator
by Hiroki Kijima
Free

This tool quickly calculates the trend of a graph using the least-squares method. Simply input your x and y values to automatically determine the slope and y-intercept of the equation. It's an efficient calculator for niche mathematical analysis.

Least-squares method calculationAutomatic slope and y-intercept calculationInput x and y values
📊 Productivity
(0)
free
8
Equation Solver 4in1
Equation Solver 4in1
Equation Solver 4in1
Advanced equation calculator
$5.99
$9.99 | 40% OFF

This app helps you solve various types of equations, including linear, quadratic, cubic, and quartic. It provides step-by-step solutions for linear and quadratic equations and stores your calculation history.

Linear equation solverQuadratic equation solverCubic equation solver
📚 Education
(0)
paid
9
Linear Equations Tutor
Linear Equations Tutor
Linear Equations Tutor
Generator and Solver
Free

Master linear equations with a dynamic generator and solver. Practice with randomly generated problems at four difficulty levels, and view complete step-by-step solutions. Share solutions as images or LaTeX code.

Randomly generated equationsStep-by-step solutionsFour difficulty levels
📚 Education
(13)
free with in-app purchases
10
Systems of equations solver
Systems of equations solver
Systems of equations solver
2x2 and 3x3 System Solver
$3.99

This calculator helps solve systems of linear equations with two or three variables. It provides step-by-step solutions, supports various coefficient types, and displays results in both decimal and fractional formats. Users can save and email their equation history.

Solves 2x2 and 3x3 systemsStep-by-step solutionsInteger, fractional, and decimal coefficients
📚 Education
(1)
paid
11
Solving Linear Equation PRO
Solving Linear Equation PRO
Solving Linear Equation PRO
With solution steps
$1.99

Solve linear equations with detailed, step-by-step solutions and visualize the results with plots. Save and access past calculations through a history function, and easily share your final answers.

Step-by-step equation solvingPlotting of resultsCalculation history
📚 Education
(22)
free
12
Equation Solver & Simplifier
Equation Solver & Simplifier
Equation Solver & Simplifier
Complete solution, all steps
Free

This app helps you solve algebraic equations by showing every step of the simplification process. It can find the value of 'x' or the zeros of a function using a numeric algorithm after simplifying your input.

Algebraic equation solvingStep-by-step simplificationNumeric algorithm for solutions
📚 Education
(10)
free with in-app purchases
13
Khan Academy
Khan Academy
Khan Academy
You can learn anything
Free

Access a vast library of free educational content, including interactive exercises, videos, and articles. Master subjects from math and science to humanities and finance at your own pace, with offline access and personalized learning paths.

Thousands of interactive exercises, videos, and articlesStudy math, science, economics, finance, grammar, history, and morePractice exercises with instant feedback and hints
📚 Education
(109K)
free
14
Matrix Calculator: Learn Solve
Matrix Calculator: Learn Solve
Matrix Calculator: Learn Solve
Step-by-step matrix solver
Free
📚 Education
(0)
15
Path & Math
Path & Math
Path & Math
Regression Function Graph Calc
Free
🔧 Utilities
(0)
16
Polata
Polata
Polata
by Smitesh Bakrania
Free

This application simplifies linear interpolation and extrapolation with a minimalist interface. It displays the linear equation for your data points. Developed by Joey La Barck and updated by Kevin Meglathery.

Linear interpolationLinear extrapolationMinimalist interface
📚 Education
(3)
free
17
Equation-Solver
Equation-Solver
Equation-Solver
Simultaneous, Matrix, Linear
Free
📚 Education
(0)
18
Graphs and Slopes
Graphs and Slopes
Graphs and Slopes
Linear Equations
$2.99
📚 Education
(0)
19
DIY Matrix Calculator
DIY Matrix Calculator
DIY Matrix Calculator
Matrix Calculator
Free

This educational app allows users to input matrices and perform row reduction themselves, serving as an alternative to automated calculators. It's designed to help students prepare for exams and assignments by reinforcing learning.

Manual matrix inputRow reduction functionalityEducational focus
📚 Education
(0)
free
20
AP Algebra Helper
AP Algebra Helper
AP Algebra Helper
by Radius Development
Free
📚 Education
(0)

FAQ about Linear Regression Equation

Are there free linear regression equation apps for iPhone?
Yes — 15 of the top linear regression equation apps we rank are free to download, including LineRegression and Linear Equations Calculator.
LineRegression has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 250+ linear regression equation apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.