Comparison

Matrix vs Discrete Probability

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

Head to head
About

Matrix

Features
Read full description

The MatrixAnalysis is carefully designed to be a simple and elegant app. This app has tools to help you analyze matrices like finding eigenvalues and eigenvectors, diagonalization, QR, SLU, LU factorization. This app can also be used to do matrix operations like, finding inverse, determinant, dot product, cross product, and much more. You can also do elementwise operations and scalar operations. Want to do fast fourier transform (FFT) or inverse fourier transform (IFFT), this app is capable of IFFT Want to find an pseudo inverse of a non-square matrix, this app has you covered Want to know a rotation matrix for a given angle or rotate a vector by the given angle? This app has you covered. The expressions and the solutions are displayed in beautiful mathematical way. Once the expressions are solved, a beautifully written solutions are created that you can share with other or save it locally. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. There is also a Study page to help you with learning some important matrix vector formulas and some useful technique. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!

About

Discrete Probability

This app provides a comprehensive tool for learning and calculating discrete probability distributions. It includes formulas with derivations, visual tools like histograms, and descriptions of optimized computation methods. It covers general concepts and several specific distributions.

Highlights
  • User-friendly calculator
  • Formulas with derivations
  • Exportable formulas (image/LaTeX)
  • Optimized computation methods
  • Histograms and visual tools
  • General concepts and specific distributions
Read full description

Everything you need to learn and compute discrete distributions — formulas, derivations, and visual tools, all in one app. In Discrete Probability app, everything is in one place: • User-friendly calculator • Formulas with rigorous yet easy-to-follow derivations — exportable as images or LaTeX • Descriptions of optimized computation methods when they differ from the standard formulas • Histograms and other essential visual tools Covered in the first version: • General concepts with definitions and derivations / proofs • Binomial distribution • Geometric distribution • Negative Binomial distribution • Hypergeometric distribution • Poisson distribution We welcome your feedback — write to graphmath@aol.com

Screenshots

Matrix4 screens
Discrete Probability4 screens

Verdict

The call

The clearest difference is ads: Discrete Probability at none against Matrix's shown. Discrete Probability also leads on update cadence (every 4 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Matrix ships an update every 5 weeks, Discrete Probability every 4 days. The most recent releases landed on October 12, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 7 level
Matrix versus Discrete Probability: the parameters behind the verdict, then further details
ParameterMatrixDiscrete Probability
PriceFreeFree
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 5 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.1 — better16.6
Further details — not scored
Size32 MB9 MB
Age rating4+4+
DeveloperOm Prakash ChapagainYuri Morozov

In-app purchases

None

Matrix

No in-app purchases

None

Discrete Probability

No in-app purchases

Questions

Is Matrix free?
Matrix is free to download, with no in-app purchases.
Is Discrete Probability free?
Discrete Probability is free to download, with no in-app purchases.
Do Matrix or Discrete Probability have ads?
Matrix shows ads; Discrete Probability does not.
Which is updated more often, Matrix or Discrete Probability?
Matrix ships an update every 5 weeks, and Discrete Probability every 4 days. Most recently, Matrix was updated on October 12, 2026 and Discrete Probability on September 28, 2026.

Other comparisons