Comparison

Equation Solver 4in1 vs Matrix Operations

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Equation Solver 4in1

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.

Highlights
  • Linear equation solver
  • Quadratic equation solver
  • Cubic equation solver
  • Quartic equation solver
  • Step-by-step solutions
  • Equation history
Features
Read full description

Equation Solver is the ultimate app that helps you solve linear equations in one variable, quadratic equations with real and complex roots, cubic and quartic equations. It's intuitive and easy to use. Just type in any equation you want to solve and Equation Solver will show you the result. Everything you need to solve equations or check results! Features: • Linear Equation Solver. • Quadratic Equation Solver. • Cubic Equation Solver. • Quartic Equation Solver. • Solves equations with fractions and parentheses. Note: the app doesn’t yet support equations with a variable in the denominator. • Supports integers, fractions and decimals, including negative values. • Detailed step-by-step instructions for linear equations and quadratic equations. • Stores history with the possibility to recall previous equations. • Back and forward buttons to check and recall recent equations. • Sends results and history via email.

About

Matrix Operations

This app is a comprehensive matrix calculator that solves various matrix operations with detailed, step-by-step solutions. It supports numerous methods for solving linear equations, finding determinants, inverses, ranks, and decompositions. The app also offers custom input and the ability to save and edit solutions.

Highlights
  • Solves systems of linear equations
  • Calculates matrix determinants and inverses
  • Performs QR, LU, and Cholesky decompositions
  • Finds eigenvalues and eigenvectors
  • Step-by-step solution descriptions
  • Custom keyboard for data entry
  • Works offline
Features
Read full description

Matrix Operations Calculator solves every operation step by step — and lets you pick the method. From a quick determinant to a full singular value decomposition, you get the complete worked solution, not just the answer. Works fully offline. SYSTEMS OF LINEAR EQUATIONS CALCULATOR * Gaussian elimination * Cramer's rule * Gauss-Jordan * Inverse matrix method * Montante (Bareiss algorithm) DETERMINANT CALCULATOR * Decomposition * Reduction to triangular form * Montante (Bareiss algorithm) * Sarrus' rule (3×3 only) INVERSE MATRIX CALCULATOR * Gaussian elimination * Gauss-Jordan * Algebraic complements * Montante (Bareiss algorithm) RANK OF A MATRIX CALCULATOR * Elementary transformations * Bordering minors QR DECOMPOSITION CALCULATOR * Gram–Schmidt * Householder reflections * Givens rotation MORE OPERATIONS * Polar decomposition calculator * Matrix square root calculator * Singular value decomposition (SVD) calculator * Eigenvalues, eigenvectors & eigendecomposition (diagonalization) calculator * Matrix minor, cofactor & adjoint calculator * LU, Schur & Cholesky decomposition calculator * Solving matrix equations calculator * Raising a matrix to a power calculator * Multiplying a matrix by a number calculator * Transposition, addition, subtraction & multiplication calculator FEATURES * Step-by-step solutions for every operation * Custom keyboard for fast data entry * Save and edit your solutions * Works without an internet connection * Results as ordinary or decimal fractions Web version: https://matrix-operations.com

Screenshots

Equation Solver 4in14 screens
Matrix Operations4 screens

Verdict

The call

The clearest difference is review sentiment: Matrix Operations at 75% against Equation Solver 4in1's 28%. Matrix Operations also leads on price (Free vs $5.99) and update cadence (every 10 days vs every 7 months). Equation Solver 4in1's advantage is in-app purchases (none vs 1) and ads (none vs shown).

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Matrix Operations is free to download; Equation Solver 4in1 costs $5.99 up front. Matrix Operations sells 1 one-off in-app purchase. Equation Solver 4in1 asks for nothing beyond the download.

UpkeepUpdate frequency

Equation Solver 4in1 ships an update every 7 months, Matrix Operations every 10 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard8 real differences · 2 level
Equation Solver 4in1 versus Matrix Operations: the parameters behind the verdict, then further details
ParameterEquation Solver 4in1Matrix Operations
Price$5.99Free — better
Rating—4.7 (19 ratings) — better
Positive reviews27.6% of reviews75.0% of reviews — better
Number of ratings—19 — better
Update frequencyEvery 7 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPod
Requires iOS12.0 — better15.5
Further details — not scored
Size13 MB89 MB
Age rating4+4+
DeveloperIntemodino Group s.r.o.Vitalii Solovei

Customer experience

Equation Solver 4in1

Written reviews29 reviews
Positive27.6%
Neutral3.4%
Negative69.0%

Matrix Operations

All ratings19 ratings
Positive94.7%
Neutral5.3%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Equation Solver 4in1

No in-app purchases

1 purchases

Matrix Operations

One-time1
  • Premium Access$1.99

Questions

Is Equation Solver 4in1 free?
Equation Solver 4in1 costs $5.99, with no in-app purchases.
Is Matrix Operations free?
Matrix Operations is free to download, with in-app purchases available.
Do Equation Solver 4in1 or Matrix Operations have ads?
Matrix Operations shows ads; Equation Solver 4in1 does not.
Which is updated more often, Equation Solver 4in1 or Matrix Operations?
Equation Solver 4in1 ships an update every 7 months, and Matrix Operations every 10 days. Most recently, Equation Solver 4in1 was updated on September 22, 2026 and Matrix Operations on September 24, 2026.

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